* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ============ THEME: Dark (Default) ============ */
:root,
[data-theme="dark"] {
    --bg-primary: #0f1419;
    --bg-secondary: #1a1f2e;
    --bg-card: #1e2433;
    --text-primary: #e7e9ea;
    --text-secondary: #8b98a5;
    --accent-primary: #1d9bf0;
    --accent-success: #00ba7c;
    --accent-warning: #ffad1f;
    --accent-error: #f4212e;
    --border-color: #2f3542;
    --input-bg: #273340;
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --border-radius: 8px;
    --border-radius-pill: 999px;
}

/* ============ THEME: Light ============ */
[data-theme="light"] {
    --bg-primary: #f5f8fa;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --text-primary: #14171a;
    --text-secondary: #657786;
    --accent-primary: #1d9bf0;
    --accent-success: #17bf63;
    --accent-warning: #f5a623;
    --accent-error: #e0245e;
    --border-color: #e1e8ed;
    --input-bg: #f5f8fa;
}

/* ============ THEME: 8-bit / Retro ============ */
[data-theme="8bit"] {
    --bg-primary: #1a1c2c;
    --bg-secondary: #262b44;
    --bg-card: #3a4466;
    --text-primary: #f4f4f4;
    --text-secondary: #94b0c2;
    --accent-primary: #41a6f6;
    --accent-success: #73eff7;
    --accent-warning: #ffcd75;
    --accent-error: #ff6b6b;
    --border-color: #5d6591;
    --input-bg: #262b44;
    --font-family: 'Courier New', 'Press Start 2P', monospace;
    --border-radius: 0px;
    --border-radius-pill: 0px;
}

[data-theme="8bit"] * {
    border-radius: 0 !important;
}

[data-theme="8bit"] body {
    font-family: var(--font-family);
    image-rendering: pixelated;
}

[data-theme="8bit"] .card,
[data-theme="8bit"] .btn,
[data-theme="8bit"] input,
[data-theme="8bit"] select,
[data-theme="8bit"] textarea {
    border-width: 3px;
    box-shadow: 4px 4px 0 var(--border-color);
}

[data-theme="8bit"] .btn:hover:not(:disabled) {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--border-color);
}

[data-theme="8bit"] .btn:active:not(:disabled) {
    transform: translate(4px, 4px);
    box-shadow: none;
}

[data-theme="8bit"] h1,
[data-theme="8bit"] h2,
[data-theme="8bit"] h3 {
    text-transform: uppercase;
    letter-spacing: 2px;
}

[data-theme="8bit"] .progress-step .step-index {
    font-weight: 900;
}

/* ============ THEME: Matrix ============ */
[data-theme="matrix"] {
    --bg-primary: #0d0208;
    --bg-secondary: #0a1a0a;
    --bg-card: #0a1a0a;
    --text-primary: #00ff41;
    --text-secondary: #008f11;
    --accent-primary: #00ff41;
    --accent-success: #00ff41;
    --accent-warning: #39ff14;
    --accent-error: #ff0040;
    --border-color: #003b00;
    --input-bg: #001a00;
    --font-family: 'Courier New', 'Fira Code', 'Monaco', monospace;
    --border-radius: 0px;
    --border-radius-pill: 0px;
}

[data-theme="matrix"] * {
    border-radius: 0 !important;
}

[data-theme="matrix"] body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
}

/* Matrix rain effect on background */
[data-theme="matrix"] body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(0, 255, 65, 0.03) 2px,
            rgba(0, 255, 65, 0.03) 4px
        );
    z-index: -1;
}

[data-theme="matrix"] .container {
    background: rgba(10, 26, 10, 0.95);
    border: 1px solid var(--accent-primary);
    box-shadow: 
        0 0 10px rgba(0, 255, 65, 0.3),
        0 0 20px rgba(0, 255, 65, 0.1),
        inset 0 0 30px rgba(0, 255, 65, 0.05);
}

[data-theme="matrix"] header {
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
}

[data-theme="matrix"] header h1 {
    font-size: 1.5rem;
    font-weight: normal;
    text-transform: uppercase;
    letter-spacing: 4px;
    text-shadow: 0 0 10px var(--accent-primary);
    animation: matrix-flicker 4s infinite;
}

@keyframes matrix-flicker {
    0%, 100% { opacity: 1; }
    92% { opacity: 1; }
    93% { opacity: 0.8; }
    94% { opacity: 1; }
    96% { opacity: 0.9; }
    97% { opacity: 1; }
}

[data-theme="matrix"] .subtitle {
    color: var(--text-secondary);
    font-size: 0.8rem;
    letter-spacing: 2px;
}

[data-theme="matrix"] .card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: 0 0 5px rgba(0, 255, 65, 0.2);
}

[data-theme="matrix"] .btn {
    background: transparent;
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary);
    font-family: var(--font-family);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.5rem 1rem;
    transition: all 0.2s;
}

[data-theme="matrix"] .btn:hover:not(:disabled) {
    background: var(--accent-primary);
    color: var(--bg-primary);
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.5);
}

[data-theme="matrix"] .btn-primary {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

[data-theme="matrix"] .btn-primary:hover:not(:disabled) {
    background: #39ff14;
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.7);
}

[data-theme="matrix"] .btn:disabled {
    opacity: 0.3;
    border-style: dashed;
}

[data-theme="matrix"] input,
[data-theme="matrix"] select,
[data-theme="matrix"] textarea {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    font-family: var(--font-family);
    font-size: 12px;
    color: var(--accent-primary);
}

[data-theme="matrix"] input::placeholder {
    color: var(--text-secondary);
}

[data-theme="matrix"] input:focus,
[data-theme="matrix"] textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
    outline: none;
}

[data-theme="matrix"] .tab-button {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

[data-theme="matrix"] .tab-button-active {
    background: transparent;
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    text-shadow: 0 0 5px var(--accent-primary);
}

[data-theme="matrix"] .progress-step {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}

[data-theme="matrix"] .progress-step.is-active {
    border-color: var(--accent-primary);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
}

[data-theme="matrix"] .progress-step.is-done {
    background: rgba(0, 255, 65, 0.1);
    border-color: var(--accent-primary);
}

[data-theme="matrix"] h2, 
[data-theme="matrix"] h3 {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: normal;
}

[data-theme="matrix"] .status-badge {
    font-family: var(--font-family);
    text-transform: uppercase;
    letter-spacing: 1px;
}

[data-theme="matrix"] .log-entry {
    font-family: var(--font-family);
    border-left: 2px solid var(--border-color);
}

[data-theme="matrix"] .log-entry.log-info {
    border-left-color: var(--accent-primary);
}

[data-theme="matrix"] .log-entry.log-success {
    border-left-color: var(--accent-success);
}

[data-theme="matrix"] .log-entry.log-error {
    border-left-color: var(--accent-error);
}

[data-theme="matrix"] .theme-toggle-corner {
    background: rgba(10, 26, 10, 0.9);
    border: 1px solid var(--border-color);
}

[data-theme="matrix"] .about-card,
[data-theme="matrix"] .recovery-card {
    background: var(--bg-card);
    border-color: var(--accent-primary);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.2);
}

[data-theme="matrix"] code {
    color: var(--accent-primary);
    background: rgba(0, 255, 65, 0.1);
}

[data-theme="matrix"] a {
    color: var(--accent-primary);
    text-decoration: none;
}

[data-theme="matrix"] a:hover {
    text-shadow: 0 0 5px var(--accent-primary);
}

/* ============ THEME: Windows 95 ============ */
[data-theme="win95"] {
    --bg-primary: #008080;
    --bg-secondary: #c0c0c0;
    --bg-card: #c0c0c0;
    --text-primary: #000000;
    --text-secondary: #404040;
    --accent-primary: #000080;
    --accent-success: #008000;
    --accent-warning: #808000;
    --accent-error: #800000;
    --border-color: #808080;
    --input-bg: #ffffff;
    --font-family: 'MS Sans Serif', 'Segoe UI', Tahoma, sans-serif;
    --border-radius: 0px;
    --border-radius-pill: 0px;
    
    /* Win95 specific */
    --win95-highlight: #ffffff;
    --win95-shadow: #404040;
    --win95-dark-shadow: #000000;
    --win95-button-face: #c0c0c0;
    --win95-title-bar: #000080;
    --win95-title-bar-inactive: #808080;
}

[data-theme="win95"] * {
    border-radius: 0 !important;
}

[data-theme="win95"] body {
    font-family: var(--font-family);
    font-size: 13px;
    background: var(--bg-primary);
}

[data-theme="win95"] .container {
    background: var(--bg-secondary);
    border: 2px solid;
    border-color: var(--win95-highlight) var(--win95-dark-shadow) var(--win95-dark-shadow) var(--win95-highlight);
    padding: 3px;
    margin-top: 1rem;
    margin-bottom: 1rem;
}

[data-theme="win95"] header {
    background: linear-gradient(90deg, var(--win95-title-bar) 0%, #1084d0 100%);
    color: white;
    padding: 0.25rem 0.5rem;
    margin: -3px -3px 0.5rem -3px;
}

[data-theme="win95"] header h1 {
    font-size: 1rem;
    font-weight: normal;
}

[data-theme="win95"] .subtitle {
    color: white;
    font-size: 0.85rem;
}

[data-theme="win95"] .card {
    background: var(--bg-card);
    border: 2px solid;
    border-color: var(--win95-highlight) var(--win95-shadow) var(--win95-shadow) var(--win95-highlight);
    box-shadow: none;
    padding: 1rem;
}

[data-theme="win95"] .card h2 {
    font-size: 0.9rem;
    font-weight: bold;
}

[data-theme="win95"] .btn {
    background: var(--win95-button-face);
    color: var(--text-primary);
    border: 2px solid;
    border-color: var(--win95-highlight) var(--win95-dark-shadow) var(--win95-dark-shadow) var(--win95-highlight);
    box-shadow: 1px 1px 0 var(--win95-shadow);
    padding: 0.35rem 1rem;
    font-family: var(--font-family);
    font-size: 12px;
}

[data-theme="win95"] .btn:hover:not(:disabled) {
    background: var(--win95-button-face);
}

[data-theme="win95"] .btn:active:not(:disabled) {
    border-color: var(--win95-dark-shadow) var(--win95-highlight) var(--win95-highlight) var(--win95-dark-shadow);
    box-shadow: none;
    padding: 0.4rem 0.95rem 0.3rem 1.05rem;
}

[data-theme="win95"] .btn-primary {
    background: var(--win95-button-face);
    color: var(--text-primary);
}

[data-theme="win95"] .btn-success {
    background: var(--win95-button-face);
    color: var(--text-primary);
}

[data-theme="win95"] input,
[data-theme="win95"] select,
[data-theme="win95"] textarea {
    background: var(--input-bg);
    border: 2px solid;
    border-color: var(--win95-shadow) var(--win95-highlight) var(--win95-highlight) var(--win95-shadow);
    font-family: var(--font-family);
    font-size: 12px;
    padding: 0.25rem 0.5rem;
}

[data-theme="win95"] .tab-button {
    background: var(--win95-button-face);
    border: 2px solid;
    border-color: var(--win95-highlight) var(--win95-shadow) var(--win95-shadow) var(--win95-highlight);
    border-bottom: none;
    margin-bottom: -2px;
    position: relative;
    z-index: 1;
}

[data-theme="win95"] .tab-button-active {
    background: var(--bg-card);
    border-bottom: 2px solid var(--bg-card);
    z-index: 2;
}

[data-theme="win95"] .progress-step {
    background: var(--win95-button-face);
    border: 2px solid;
    border-color: var(--win95-highlight) var(--win95-shadow) var(--win95-shadow) var(--win95-highlight);
}

[data-theme="win95"] .progress-step.is-active {
    background: var(--win95-title-bar);
    color: white;
    border-color: var(--win95-shadow) var(--win95-highlight) var(--win95-highlight) var(--win95-shadow);
}

[data-theme="win95"] .progress-step.is-done {
    background: var(--accent-success);
    color: white;
}

[data-theme="win95"] .status-badge {
    border: 1px solid var(--text-primary);
}

[data-theme="win95"] .theme-toggle {
    background: var(--win95-button-face);
    border: 2px solid;
    border-color: var(--win95-highlight) var(--win95-shadow) var(--win95-shadow) var(--win95-highlight);
}

[data-theme="win95"] .theme-btn {
    font-size: 0.85rem;
}

[data-theme="win95"] .about-card,
[data-theme="win95"] .recovery-card {
    background: var(--bg-card);
}

[data-theme="win95"] .theme-toggle-corner {
    background: var(--win95-button-face);
    border: 2px solid;
    border-color: var(--win95-highlight) var(--win95-shadow) var(--win95-shadow) var(--win95-highlight);
}

/* ============ THEME: Windows 3.1 ============ */
[data-theme="win31"] {
    --bg-primary: #ffffff;
    --bg-secondary: #c0c0c0;
    --bg-card: #ffffff;
    --text-primary: #000000;
    --text-secondary: #404040;
    --accent-primary: #000080;
    --accent-success: #008000;
    --accent-warning: #808000;
    --accent-error: #800000;
    --border-color: #808080;
    --input-bg: #ffffff;
    --font-family: 'Fixedsys', 'Courier New', monospace;
    --border-radius: 0px;
    --border-radius-pill: 0px;
}

[data-theme="win31"] * {
    border-radius: 0 !important;
}

[data-theme="win31"] body {
    font-family: var(--font-family);
    background: repeating-conic-gradient(#c0c0c0 0% 25%, #ffffff 0% 50%) 50% / 2px 2px;
}

[data-theme="win31"] .container {
    background: var(--bg-card);
    border: 2px solid #000000;
    box-shadow: 2px 2px 0 #000000;
}

[data-theme="win31"] header {
    background: #000080;
    color: white;
    padding: 0.25rem 0.5rem;
    margin: 0 0 0.5rem 0;
}

[data-theme="win31"] header h1 {
    font-size: 0.9rem;
    font-weight: normal;
}

[data-theme="win31"] .subtitle {
    color: white;
    font-size: 0.75rem;
}

[data-theme="win31"] .card {
    background: var(--bg-card);
    border: 1px solid #000000;
    box-shadow: none;
}

[data-theme="win31"] .btn {
    background: #c0c0c0;
    color: #000000;
    border: 2px outset #c0c0c0;
    font-family: var(--font-family);
    font-size: 11px;
    padding: 0.25rem 0.75rem;
}

[data-theme="win31"] .btn:active:not(:disabled) {
    border-style: inset;
}

[data-theme="win31"] input,
[data-theme="win31"] select,
[data-theme="win31"] textarea {
    background: white;
    border: 2px inset #c0c0c0;
    font-family: var(--font-family);
    font-size: 11px;
}

[data-theme="win31"] .theme-toggle-corner {
    background: #c0c0c0;
    border: 2px outset #c0c0c0;
}

/* ============ THEME: Windows XP ============ */
[data-theme="winxp"] {
    --bg-primary: #3a6ea5;
    --bg-secondary: #ece9d8;
    --bg-card: #ece9d8;
    --text-primary: #000000;
    --text-secondary: #4a4a4a;
    --accent-primary: #003c74;
    --accent-success: #339933;
    --accent-warning: #cc9900;
    --accent-error: #cc3300;
    --border-color: #aca899;
    --input-bg: #ffffff;
    --font-family: 'Tahoma', 'Segoe UI', sans-serif;
    --border-radius: 3px;
    --border-radius-pill: 3px;
    
    --xp-blue-dark: #003c74;
    --xp-blue-light: #0a5bc4;
    --xp-green: #3c9e3c;
    --xp-orange: #ff9000;
}

[data-theme="winxp"] body {
    font-family: var(--font-family);
    background: linear-gradient(180deg, #245edb 0%, #3a6ea5 50%, #245edb 100%);
}

[data-theme="winxp"] .container {
    background: var(--bg-card);
    border-radius: 8px 8px 4px 4px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
    overflow: hidden;
}

[data-theme="winxp"] header {
    background: linear-gradient(180deg, #0a5bc4 0%, #003c74 6%, #0a5bc4 10%, #003c74 90%, #001f54 100%);
    color: white;
    padding: 0.35rem 0.75rem;
    margin: 0;
    border-radius: 6px 6px 0 0;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

[data-theme="winxp"] header h1 {
    font-size: 0.95rem;
    font-weight: bold;
}

[data-theme="winxp"] .subtitle {
    color: white;
    font-size: 0.8rem;
    opacity: 0.9;
}

[data-theme="winxp"] .card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-shadow: inset 1px 1px 0 white;
}

[data-theme="winxp"] .btn {
    background: linear-gradient(180deg, #ffffff 0%, #ece9d8 45%, #d6d0c4 55%, #c4beb0 100%);
    color: #000000;
    border: 1px solid #7a7a7a;
    border-radius: 3px;
    font-family: var(--font-family);
    font-size: 11px;
    padding: 0.3rem 1rem;
    box-shadow: 0 1px 1px rgba(0,0,0,0.1);
}

[data-theme="winxp"] .btn:hover:not(:disabled) {
    background: linear-gradient(180deg, #ffffff 0%, #faf7f0 45%, #e8e4d8 55%, #d6d0c4 100%);
    border-color: #003c74;
}

[data-theme="winxp"] .btn-primary {
    background: linear-gradient(180deg, #5cb85c 0%, #3c9e3c 50%, #2d7d2d 100%);
    color: white;
    border-color: #2d5f2d;
}

[data-theme="winxp"] input,
[data-theme="winxp"] select,
[data-theme="winxp"] textarea {
    background: white;
    border: 1px solid #7a7a7a;
    border-radius: 2px;
    font-family: var(--font-family);
    font-size: 11px;
}

[data-theme="winxp"] .tab-button {
    background: linear-gradient(180deg, #ece9d8 0%, #d6d0c4 100%);
    border: 1px solid #aca899;
    border-bottom: none;
    border-radius: 4px 4px 0 0;
}

[data-theme="winxp"] .tab-button-active {
    background: #ece9d8;
}

[data-theme="winxp"] .theme-toggle-corner {
    background: linear-gradient(180deg, #ffffff 0%, #ece9d8 100%);
    border: 1px solid #7a7a7a;
    border-radius: 3px;
}

/* ============ THEME: macOS ============ */
[data-theme="mac"] {
    --bg-primary: #1e1e1e;
    --bg-secondary: #2d2d2d;
    --bg-card: #323232;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-primary: #0a84ff;
    --accent-success: #30d158;
    --accent-warning: #ffd60a;
    --accent-error: #ff453a;
    --border-color: #3d3d3d;
    --input-bg: #1c1c1c;
    --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', sans-serif;
    --border-radius: 10px;
    --border-radius-pill: 20px;
}

[data-theme="mac"] body {
    font-family: var(--font-family);
    background: linear-gradient(180deg, #3a1c71 0%, #d76d77 50%, #ffaf7b 100%);
    -webkit-font-smoothing: antialiased;
}

[data-theme="mac"] .container {
    background: rgba(45, 45, 45, 0.95);
    border-radius: 12px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.5);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
}

[data-theme="mac"] header {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

[data-theme="mac"] header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    background: linear-gradient(90deg, #fff 0%, #a0a0a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="mac"] .card {
    background: var(--bg-card);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

[data-theme="mac"] .btn {
    background: linear-gradient(180deg, #4a4a4a 0%, #3a3a3a 100%);
    color: white;
    border: none;
    border-radius: 6px;
    font-family: var(--font-family);
    font-size: 13px;
    font-weight: 500;
    padding: 0.5rem 1rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

[data-theme="mac"] .btn:hover:not(:disabled) {
    background: linear-gradient(180deg, #5a5a5a 0%, #4a4a4a 100%);
}

[data-theme="mac"] .btn-primary {
    background: linear-gradient(180deg, #2997ff 0%, #0a84ff 100%);
}

[data-theme="mac"] .btn-primary:hover:not(:disabled) {
    background: linear-gradient(180deg, #40a9ff 0%, #2997ff 100%);
}

[data-theme="mac"] .btn-success {
    background: linear-gradient(180deg, #34d058 0%, #30d158 100%);
}

[data-theme="mac"] input,
[data-theme="mac"] select,
[data-theme="mac"] textarea {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: var(--font-family);
    font-size: 13px;
    color: white;
}

[data-theme="mac"] input:focus,
[data-theme="mac"] textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(10, 132, 255, 0.3);
}

[data-theme="mac"] .tab-button {
    background: transparent;
    border: none;
    border-radius: 8px;
    font-weight: 500;
}

[data-theme="mac"] .tab-button-active {
    background: rgba(255,255,255,0.1);
}

[data-theme="mac"] .progress-step {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

[data-theme="mac"] .progress-step.is-active {
    background: rgba(10, 132, 255, 0.2);
    border-color: var(--accent-primary);
}

[data-theme="mac"] .theme-toggle-corner {
    background: rgba(45, 45, 45, 0.9);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

[data-theme="mac"] .about-card,
[data-theme="mac"] .recovery-card {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(10, 132, 255, 0.1) 100%);
}

/* ============ THEME: Ubuntu ============ */
[data-theme="ubuntu"] {
    --bg-primary: #300a24;
    --bg-secondary: #3c3b37;
    --bg-card: #3c3b37;
    --text-primary: #ffffff;
    --text-secondary: #aea79f;
    --accent-primary: #e95420;
    --accent-success: #0e8420;
    --accent-warning: #f99b11;
    --accent-error: #df382c;
    --border-color: #5c5b57;
    --input-bg: #2c2c28;
    --font-family: 'Ubuntu', 'Segoe UI', sans-serif;
    --border-radius: 6px;
    --border-radius-pill: 20px;
    
    --ubuntu-orange: #e95420;
    --ubuntu-aubergine: #77216f;
    --ubuntu-warm-grey: #aea79f;
}

[data-theme="ubuntu"] body {
    font-family: var(--font-family);
    background: linear-gradient(135deg, #300a24 0%, #2c001e 50%, #77216f 100%);
}

[data-theme="ubuntu"] .container {
    background: var(--bg-card);
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    border: 1px solid var(--border-color);
}

[data-theme="ubuntu"] header {
    background: linear-gradient(90deg, #77216f 0%, #5e2750 100%);
    padding: 0.75rem 1rem;
    margin: 0;
    border-radius: 10px 10px 0 0;
}

[data-theme="ubuntu"] header h1 {
    font-size: 1.25rem;
    font-weight: 500;
    color: white;
}

[data-theme="ubuntu"] .subtitle {
    color: rgba(255,255,255,0.8);
    font-size: 0.85rem;
}

[data-theme="ubuntu"] .card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

[data-theme="ubuntu"] .btn {
    background: linear-gradient(180deg, #e95420 0%, #cd4116 100%);
    color: white;
    border: none;
    border-radius: 4px;
    font-family: var(--font-family);
    font-size: 13px;
    font-weight: 500;
    padding: 0.5rem 1rem;
    box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

[data-theme="ubuntu"] .btn:hover:not(:disabled) {
    background: linear-gradient(180deg, #f26b3d 0%, #e95420 100%);
}

[data-theme="ubuntu"] .btn-secondary {
    background: linear-gradient(180deg, #4a4a46 0%, #3c3b37 100%);
    border: 1px solid var(--border-color);
}

[data-theme="ubuntu"] .btn-secondary:hover:not(:disabled) {
    background: linear-gradient(180deg, #5a5a56 0%, #4a4a46 100%);
}

[data-theme="ubuntu"] .btn-success {
    background: linear-gradient(180deg, #0e9928 0%, #0e8420 100%);
}

[data-theme="ubuntu"] input,
[data-theme="ubuntu"] select,
[data-theme="ubuntu"] textarea {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: var(--font-family);
    font-size: 13px;
    color: white;
}

[data-theme="ubuntu"] input:focus,
[data-theme="ubuntu"] textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(233, 84, 32, 0.3);
}

[data-theme="ubuntu"] .tab-button {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px 6px 0 0;
}

[data-theme="ubuntu"] .tab-button-active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

[data-theme="ubuntu"] .progress-step {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

[data-theme="ubuntu"] .progress-step.is-active {
    background: rgba(233, 84, 32, 0.2);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

[data-theme="ubuntu"] .progress-step.is-done {
    background: var(--accent-success);
    border-color: var(--accent-success);
    color: white;
}

[data-theme="ubuntu"] .theme-toggle-corner {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

[data-theme="ubuntu"] .about-card,
[data-theme="ubuntu"] .recovery-card {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(233, 84, 32, 0.1) 100%);
    border-color: var(--accent-primary);
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

/* Theme Toggle - Top Right Corner (Vertical) */
.theme-toggle-corner {
    position: fixed;
    top: 0.75rem;
    right: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.3rem;
    z-index: 100;
    opacity: 0.6;
    transition: opacity 0.2s;
}

.theme-toggle-corner:hover {
    opacity: 1;
}

.theme-group {
    display: flex;
    gap: 0.1rem;
    justify-content: center;
}

.theme-btn {
    width: 1.5rem;
    height: 1.5rem;
    border: none;
    background: transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, transform 0.15s;
    opacity: 0.5;
}

.theme-btn:hover {
    opacity: 1;
    background: var(--bg-card);
    transform: scale(1.1);
}

.theme-btn.active {
    background: var(--accent-primary);
    opacity: 1;
}

.theme-separator {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 0.15rem 0;
    opacity: 0.3;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

.help-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

/* Top-level mode tabs */
.tab-nav {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tab-button {
    flex: 1;
    padding: 0.6rem 0.75rem;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
}

.tab-button:hover {
    background: var(--border-color);
}

.tab-button-active {
    border-color: var(--accent-primary);
    background: rgba(29, 155, 240, 0.15);
    color: var(--accent-primary);
}

.tab-content {
    display: none;
}

.tab-content-active {
    display: block;
}

/* Progress checklist */
.progress-wrapper {
    position: sticky;
    top: 0;
    z-index: 50;
    padding: 0.5rem 0 0.75rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(to bottom, var(--bg-primary) 60%, rgba(15, 20, 25, 0.9) 90%, transparent);
    backdrop-filter: blur(6px);
}

.progress {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
}

.status-bar {
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.status-label {
    font-weight: 500;
}

.status-link {
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 0.8rem;
    white-space: nowrap;
}

.status-link:hover {
    background: var(--border-color);
}

.status-hint {
    font-style: italic;
}

.progress-step {
    flex: 1;
    min-width: 0;
    padding: 0.5rem 0.75rem;
    border-radius: 999px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
    cursor: pointer;
}

.progress-step .step-index {
    width: 1.4rem;
    height: 1.4rem;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}

.progress-step .step-label {
    overflow: hidden;
    text-overflow: ellipsis;
}

.progress-step.is-active {
    border-color: var(--accent-primary);
    background: rgba(29, 155, 240, 0.15);
    color: var(--accent-primary);
}

.progress-step.is-active .step-index {
    border-color: var(--accent-primary);
}

.progress-step.is-done {
    border-color: var(--accent-success);
    background: rgba(0, 186, 124, 0.15);
    color: var(--accent-success);
}

.progress-step.is-done .step-index {
    border-color: var(--accent-success);
    background: var(--accent-success);
    color: #ffffff;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    /* So sticky progress bar doesn't cover section headings when scrolled into view */
    scroll-margin-top: 96px;
}

.card.card-completed {
    border-color: var(--accent-success);
    box-shadow: 0 0 0 1px rgba(0, 186, 124, 0.4);
}

.card.card-completed h2 {
    color: var(--accent-success);
}

/* Collapse everything except the heading when section is collapsed */
.card.card-collapsed > :not(h2) {
    display: none;
}

.card h2 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.card h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-row:last-child {
    margin-bottom: 0;
}

.form-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group.full-width {
    flex-basis: 100%;
}

label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

input, select, textarea {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    color: var(--text-primary);
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(29, 155, 240, 0.2);
}

input::placeholder, textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

input[readonly] {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Computed / auto-filled fields */
input.field-computed,
textarea.field-computed {
    border-color: var(--accent-success);
    box-shadow: 0 0 0 1px rgba(0, 186, 124, 0.4);
}

textarea {
    resize: vertical;
    min-height: 60px;
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    font-size: 0.8rem;
}

select {
    cursor: pointer;
}

.input-with-button {
    display: flex;
    gap: 0.5rem;
    align-items: flex-start;
}

.input-with-button input,
.input-with-button textarea {
    flex: 1;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: #1a8cd8;
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--border-color);
}

.btn-success {
    background: var(--accent-success);
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: #00a36c;
}

.btn-large {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
}

.wallet-status {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.status-disconnected {
    background: rgba(244, 33, 46, 0.2);
    color: var(--accent-error);
}

/* Wallet Change Notification */
.wallet-change-notice {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, rgba(171, 143, 255, 0.15) 0%, rgba(29, 155, 240, 0.15) 100%);
    border: 1px solid rgba(171, 143, 255, 0.4);
    border-radius: var(--border-radius);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateY(-10px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.wallet-change-notice .notice-icon {
    font-size: 1.2rem;
}

.wallet-change-notice .notice-text {
    flex: 1;
    font-size: 0.9rem;
}

.wallet-change-notice .notice-text strong {
    font-family: monospace;
    background: rgba(0,0,0,0.2);
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
}

.btn-small {
    padding: 0.3rem 0.6rem;
    font-size: 0.8rem;
}

/* Confetti Animation */
.confetti-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 9999;
}

.confetti {
    position: absolute;
    width: 10px;
    height: 10px;
    opacity: 0;
    animation: confetti-fall 3s ease-out forwards;
}

.confetti.circle {
    border-radius: 50%;
}

.confetti.square {
    border-radius: 2px;
}

.confetti.triangle {
    width: 0;
    height: 0;
    background: transparent !important;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 10px solid var(--confetti-color, #f44);
}

@keyframes confetti-fall {
    0% {
        transform: translateY(-10px) rotate(0deg) scale(1);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(720deg) scale(0.5);
        opacity: 0;
    }
}

/* Stats Counter */
.stats-counter {
    display: inline-block;
    margin-left: 0.5rem;
    padding: 0.15rem 0.5rem;
    background: rgba(29, 155, 240, 0.15);
    border: 1px solid rgba(29, 155, 240, 0.3);
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-primary);
}

.stats-counter:empty {
    display: none;
}

/* ============ Progress Modal ============ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.progress-modal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    max-width: 480px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-state {
    text-align: center;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.modal-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.chain-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.15rem 0.5rem;
    border-radius: 12px;
    font-weight: 500;
    font-size: 0.85rem;
}

.chain-badge.noble {
    background: rgba(147, 112, 219, 0.2);
    color: #b39ddb;
}

.chain-badge.solana {
    background: rgba(20, 241, 149, 0.2);
    color: #14f195;
}

.chain-badge.base, .chain-badge.evm-base {
    background: rgba(0, 82, 255, 0.2);
    color: #0052FF;
}

.chain-badge.evm-ethereum {
    background: rgba(98, 126, 234, 0.2);
    color: #627EEA;
}

.chain-badge.evm-arbitrum {
    background: rgba(40, 160, 240, 0.2);
    color: #28A0F0;
}

.chain-badge.evm-op {
    background: rgba(255, 4, 32, 0.2);
    color: #FF0420;
}

.chain-badge.evm-avalanche {
    background: rgba(232, 65, 66, 0.2);
    color: #E84142;
}

.chain-badge.evm-polygon {
    background: rgba(130, 71, 229, 0.2);
    color: #8247E5;
}

/* Progress Steps in Modal */
.progress-steps-modal {
    text-align: left;
    margin-bottom: 1.5rem;
}

.progress-step-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.03);
    margin-bottom: 0.75rem;
    transition: background 0.2s;
}

.progress-step-item.active {
    background: rgba(29, 155, 240, 0.1);
    border: 1px solid rgba(29, 155, 240, 0.3);
}

.progress-step-item.completed {
    background: rgba(0, 200, 83, 0.1);
}

.step-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.step-icon .spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.step-icon .step-pending {
    color: var(--text-secondary);
    font-size: 1.5rem;
}

.step-icon .step-complete {
    color: var(--accent-success);
    font-size: 1.5rem;
}

.step-content {
    flex: 1;
    min-width: 0;
}

.step-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.25rem;
}

.step-title {
    font-weight: 600;
    color: var(--text-primary);
}

.step-status {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.step-status.completed {
    color: var(--accent-success);
}

.step-status.in-progress {
    color: var(--accent-primary);
}

.step-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
}

.step-hash {
    font-size: 0.75rem;
    color: var(--accent-primary);
    font-family: monospace;
    text-decoration: none;
    margin-top: 0.25rem;
    display: inline-block;
}

.step-hash:hover {
    text-decoration: underline;
}

/* Modal Details */
.modal-details {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    text-align: left;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
}

.detail-row:not(:last-child) {
    border-bottom: 1px solid var(--border-color);
}

.detail-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.detail-value {
    color: var(--text-primary);
    font-family: monospace;
    font-size: 0.9rem;
}

.detail-link {
    color: var(--accent-primary);
    text-decoration: none;
}

.detail-link:hover {
    text-decoration: underline;
}

.usdc-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    background: linear-gradient(135deg, #2775ca, #2166b7);
    border-radius: 50%;
    font-size: 10px;
    vertical-align: middle;
    margin-left: 4px;
}

.modal-footer-text {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.modal-close-btn {
    margin-top: 0.5rem;
}

/* Success Icon */
.success-icon {
    width: 64px;
    height: 64px;
    border: 3px solid var(--accent-success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--accent-success);
    margin: 0 auto 1rem;
    animation: scaleIn 0.3s ease-out;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.status-connected {
    background: rgba(0, 186, 124, 0.2);
    color: var(--accent-success);
}

.wallet-address {
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.logs {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    max-height: 200px;
    overflow-y: auto;
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    font-size: 0.8rem;
    margin-bottom: 1rem;
}

.log-entry {
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.log-entry:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.log-time {
    color: var(--text-secondary);
    margin-right: 0.5rem;
}

.log-info {
    color: var(--accent-primary);
}

.log-success {
    color: var(--accent-success);
}

.log-error {
    color: var(--accent-error);
}

.log-warning {
    color: var(--accent-warning);
}

.help-links {
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.help-links a {
    color: var(--accent-primary);
    text-decoration: none;
}

.help-links a:hover {
    text-decoration: underline;
}

footer {
    margin-top: 2rem;
    text-align: center;
}

/* Recovery / Lookup Section */
.recovery-card {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(29, 155, 240, 0.08) 100%);
    border-color: var(--accent-primary);
}

.recovery-card h2 {
    color: var(--accent-primary);
    font-size: 1.2rem;
}

.recovery-message {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
    line-height: 1.6;
}

.recovery-message strong {
    color: var(--text-primary);
}

.lookup-section {
    padding-top: 0.5rem;
}

.lookup-divider {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin: 1rem 0;
    opacity: 0.7;
}

.lookup-results {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.lookup-results h4 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.lookup-result-item {
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: border-color 0.2s;
}

.lookup-result-item:hover {
    border-color: var(--accent-primary);
}

.lookup-result-item:last-child {
    margin-bottom: 0;
}

.lookup-result-item .tx-hash {
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    font-size: 0.8rem;
    color: var(--accent-primary);
}

.lookup-result-item .tx-details {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.lookup-result-item .tx-status {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

.lookup-result-item .tx-status.pending {
    background: rgba(255, 173, 31, 0.2);
    color: var(--accent-warning);
}

.lookup-result-item .tx-status.ready {
    background: rgba(0, 186, 124, 0.2);
    color: var(--accent-success);
}

.lookup-no-results {
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-align: center;
    padding: 1rem;
}

/* Advanced Toggle */
.advanced-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
    user-select: none;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-right: auto;
    padding-right: 1rem;
}

.advanced-toggle input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--accent-primary);
    cursor: pointer;
}

.advanced-toggle:hover {
    color: var(--text-primary);
}

/* Section step numbers (for dynamic renumbering) */
.section-step-num {
    /* Inherit styles from h2 */
}

/* About / Splash Card */
.about-card {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(29, 155, 240, 0.05) 100%);
    border-color: var(--border-color);
    padding: 0;
    margin-bottom: 1rem;
}

.about-card details {
    padding: 0;
}

.about-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 500;
    list-style: none;
}

.about-toggle::-webkit-details-marker {
    display: none;
}

.about-toggle::after {
    content: '▶';
    font-size: 0.7rem;
    margin-left: auto;
    color: var(--text-secondary);
    transition: transform 0.2s;
}

details[open] .about-toggle::after {
    transform: rotate(90deg);
}

.about-toggle:hover {
    background: rgba(255, 255, 255, 0.03);
}

.about-icon {
    font-size: 1.1rem;
}

.about-content {
    padding: 0 1.5rem 1.5rem;
    border-top: 1px solid var(--border-color);
    margin-top: 0;
}

.about-content h3 {
    font-size: 1rem;
    color: var(--accent-primary);
    margin: 1rem 0 0.75rem;
}

.about-content h4 {
    font-size: 0.9rem;
    color: var(--text-primary);
    margin: 1.25rem 0 0.5rem;
}

.about-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.75rem;
}

.about-content ul {
    margin: 0.5rem 0;
    padding-left: 1.25rem;
}

.about-content li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.4rem;
}

.about-content li strong {
    color: var(--text-primary);
}

.about-disclaimer {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 0.5rem;
    padding-left: 0.5rem;
    border-left: 2px solid var(--accent-warning);
}

.about-disclaimer code {
    background: var(--bg-secondary);
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
    font-size: 0.75rem;
}

.about-note {
    background: rgba(29, 155, 240, 0.1);
    border-left: 3px solid var(--accent-primary);
    padding: 0.75rem 1rem;
    margin-top: 1rem;
    border-radius: 0 6px 6px 0;
}

/* Advanced Section for Send Tab */
.advanced-section {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.advanced-options {
    margin-top: 1rem;
    padding-top: 0.5rem;
}

.section-divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 1rem 0;
}

/* Responsive */
@media (max-width: 600px) {
    .form-row {
        flex-direction: column;
    }
    
    .input-with-button {
        flex-direction: column;
    }
    
    .input-with-button .btn {
        width: 100%;
    }
    
    .status-bar {
        flex-wrap: wrap;
    }
    
    .advanced-toggle {
        flex-basis: 100%;
        margin-bottom: 0.5rem;
    }
}