/* Material Design Color Palette */
:root {
    /* Light Theme (Material Design) */
    --md-primary: #1976d2;
    --md-primary-dark: #1565c0;
    --md-primary-light: #42a5f5;
    --md-secondary: #dc004e;
    --md-secondary-dark: #c51162;
    --md-secondary-light: #f50057;
    --md-background: #ffffff;
    --md-surface: #ffffff;
    --md-surface-variant: #f5f5f5;
    --md-error: #d32f2f;
    --md-warning: #ed6c02;
    --md-info: #0288d1;
    --md-success: #2e7d32;
    --md-text-primary: rgba(0, 0, 0, 0.87);
    --md-text-secondary: rgba(0, 0, 0, 0.6);
    --md-text-disabled: rgba(0, 0, 0, 0.38);
    --md-divider: rgba(0, 0, 0, 0.12);
    --md-shadow: rgba(0, 0, 0, 0.2);
    
    /* Current theme colors (default: light) */
    --bg-primary: var(--md-background);
    --bg-secondary: var(--md-surface-variant);
    --bg-gradient: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
    --text-primary: var(--md-text-primary);
    --text-secondary: var(--md-text-secondary);
    --card-bg: var(--md-surface);
    --border-color: var(--md-divider);
    --shadow: var(--md-shadow);
}

/* Dark Theme */
[data-theme="dark"] {
    --md-background: #121212;
    --md-surface: #1e1e1e;
    --md-surface-variant: #2d2d2d;
    --md-text-primary: rgba(255, 255, 255, 0.87);
    --md-text-secondary: rgba(255, 255, 255, 0.6);
    --md-text-disabled: rgba(255, 255, 255, 0.38);
    --md-divider: rgba(255, 255, 255, 0.12);
    --md-shadow: rgba(0, 0, 0, 0.5);
    
    --bg-primary: var(--md-background);
    --bg-secondary: var(--md-surface-variant);
    --bg-gradient: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    --text-primary: var(--md-text-primary);
    --text-secondary: var(--md-text-secondary);
    --card-bg: var(--md-surface);
    --border-color: var(--md-divider);
    --shadow: var(--md-shadow);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-gradient);
    background-color: var(--bg-primary);
    min-height: 100vh;
    color: var(--text-primary);
    transition: background 0.3s ease, background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header Styles */
header {
    margin-bottom: 30px;
    padding: 20px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Project Selector */
.project-selector-container {
    position: relative;
}

.project-selector-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
}

.project-selector {
    padding: 10px 15px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    background: var(--card-bg);
    color: var(--text-primary);
    font-size: 1em;
    font-weight: 600;
    min-width: 200px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.project-selector:hover {
    border-color: var(--md-primary);
}

.project-selector:focus {
    outline: none;
    border-color: var(--md-primary);
    box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
}

.btn-icon {
    background: var(--md-primary);
    color: white;
    border: none;
    border-radius: 6px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.btn-icon:hover {
    background: var(--md-primary-dark);
    transform: scale(1.05);
}

.btn-icon .material-icons {
    font-size: 20px;
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px var(--shadow);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-header h2 {
    margin: 0;
    color: var(--md-primary);
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 5px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 1em;
    font-family: inherit;
    background: var(--card-bg);
    color: var(--text-primary);
    resize: vertical;
    transition: border-color 0.3s ease;
}

textarea:focus {
    outline: none;
    border-color: var(--md-primary);
}

.header-text {
    text-align: center;
    color: var(--text-primary);
    flex: 1;
}

header h1 {
    font-size: 3em;
    margin-bottom: 10px;
    color: var(--md-primary);
}

[data-theme="dark"] header h1 {
    color: var(--md-primary-light);
}

.subtitle {
    font-size: 1.2em;
    color: var(--text-secondary);
}

/* Theme Toggle Button */
.theme-toggle {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-primary);
    padding: 0;
    box-shadow: 0 2px 4px var(--shadow);
}

.theme-toggle:hover {
    background: var(--bg-secondary);
    transform: scale(1.1);
    box-shadow: 0 4px 8px var(--shadow);
}

.theme-toggle .material-icons {
    font-size: 24px;
}

/* Drawer Header */
.drawer-header {
    background: var(--card-bg);
    border-radius: 12px;
    margin-bottom: 20px;
    box-shadow: 0 4px 10px var(--shadow);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all 0.3s ease;
}

.drawer-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
}

.drawer-title {
    margin: 0;
    font-size: 1.3em;
    color: var(--md-primary);
    font-weight: 600;
}

[data-theme="dark"] .drawer-title {
    color: var(--md-primary-light);
}

.drawer-toggle-btn {
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    width: 36px;
    height: 36px;
}

.drawer-toggle-btn:hover {
    background: var(--bg-secondary);
}

.drawer-toggle-icon {
    font-size: 24px;
    transition: transform 0.3s ease;
}

.drawer-header.collapsed .drawer-toggle-icon {
    transform: rotate(180deg);
}

.drawer-nav {
    padding: 20px;
    max-height: 200px;
    transition: max-height 0.3s ease, padding 0.3s ease, opacity 0.3s ease;
    overflow: hidden;
}

.drawer-header.collapsed .drawer-nav {
    max-height: 0;
    padding: 0 20px;
    opacity: 0;
    margin: 0;
}

.drawer-tools-section {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    transition: max-height 0.3s ease, padding 0.3s ease, opacity 0.3s ease;
    overflow: hidden;
}

.drawer-header.collapsed .drawer-tools-section {
    max-height: 0;
    padding: 0 20px;
    opacity: 0;
    margin: 0;
    border-top: none;
}

.drawer-section-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0 0 15px 0;
}

.drawer-section-title {
    margin: 0 0 15px 0;
    font-size: 1.1em;
    color: var(--text-primary);
    font-weight: 600;
}

.drawer-tools-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.tool-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 0.95em;
}

.tool-link:hover {
    background: var(--card-bg);
    transform: translateY(-2px);
    box-shadow: 0 2px 8px var(--shadow);
    border-color: var(--md-primary);
}

.tool-link .material-icons {
    font-size: 20px;
    color: var(--md-primary);
}

.tool-link-desktop {
    cursor: default;
}

.tool-link-desktop:hover {
    transform: none;
    border-color: var(--border-color);
}

.tool-note {
    margin-left: auto;
    font-size: 0.85em;
    color: var(--text-secondary);
    font-style: italic;
}

.external-link-icon {
    margin-left: auto;
    font-size: 18px !important;
    opacity: 0.7;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tab-btn {
    flex: 1;
    min-width: 150px;
    padding: 12px 20px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    transition: all 0.3s ease;
}

.tab-btn:hover {
    background: var(--card-bg);
    transform: translateY(-2px);
    box-shadow: 0 2px 8px var(--shadow);
}

.tab-btn.active {
    background: var(--md-primary);
    color: white;
    border-color: var(--md-primary);
}

[data-theme="dark"] .tab-btn.active {
    background: var(--md-surface);
    color: var(--md-primary-light);
}

/* Tab Content Wrapper - provides consistent spacing */
.tab-content-wrapper {
    margin-top: 2rem;
    min-height: 400px;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
    padding: 1rem 0;
}

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

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 10px 30px var(--shadow);
    margin-bottom: 20px;
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.card h2 {
    margin-bottom: 20px;
    color: var(--md-primary);
    font-size: 1.8em;
}

[data-theme="dark"] .card h2 {
    color: var(--md-primary-light);
}

/* Form Elements */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 1em;
    background: var(--card-bg);
    color: var(--text-primary);
    transition: border-color 0.3s ease, background 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--md-primary);
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group select:focus {
    border-color: var(--md-primary-light);
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--md-primary) 0%, var(--md-primary-dark) 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(25, 118, 210, 0.4);
}

.btn-secondary {
    background: var(--md-text-secondary);
    color: white;
}

.btn-secondary:hover {
    background: var(--md-text-primary);
}

/* Status Messages */
.status {
    margin-top: 20px;
    padding: 15px;
    border-radius: 6px;
    display: none;
}

.status.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

[data-theme="dark"] .status.success {
    background: rgba(46, 125, 50, 0.2);
    color: #81c784;
    border-color: rgba(46, 125, 50, 0.3);
}

.status.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

[data-theme="dark"] .status.error {
    background: rgba(211, 47, 47, 0.2);
    color: #ef5350;
    border-color: rgba(211, 47, 47, 0.3);
}

.status.info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
    display: block;
}

[data-theme="dark"] .status.info {
    background: rgba(2, 136, 209, 0.2);
    color: #64b5f6;
    border-color: rgba(2, 136, 209, 0.3);
}

/* Results Section */
.results-section {
    margin-bottom: 30px;
}

.results-section h3 {
    margin-bottom: 15px;
    color: var(--md-primary);
}

[data-theme="dark"] .results-section h3 {
    color: var(--md-primary-light);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.plot-card {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 10px;
    box-shadow: 0 4px 10px var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.plot-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px var(--shadow);
}

.plot-card img {
    width: 100%;
    border-radius: 6px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.plot-card img:hover {
    transform: scale(1.02);
}

.plot-name {
    margin-top: 10px;
    font-size: 0.9em;
    color: var(--text-secondary);
    text-align: center;
    word-break: break-word;
}

/* Chart Container */
.chart-container {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 10px var(--shadow);
}

.chart-container canvas {
    max-height: 400px;
}

/* Audio List */
.audio-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.audio-item {
    padding: 15px;
    background: var(--bg-secondary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: background 0.3s ease;
}

.audio-item audio {
    flex: 1;
}

/* File List */
.file-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.file-card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    background: var(--card-bg);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.file-card:hover {
    box-shadow: 0 4px 12px var(--shadow);
    transform: translateY(-2px);
}

/* Auth Wrapper - Cosmic Background */
.auth-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1a2e 50%, #16213e 100%);
}

[data-theme="light"] .auth-wrapper {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 50%, #90caf9 100%);
}

/* Animated Stars Background */
.stars-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.star {
    position: absolute;
    background: white;
    border-radius: 50%;
    animation: twinkle 3s infinite;
}

[data-theme="light"] .star {
    background: rgba(25, 118, 210, 0.6);
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}

/* Frequency Wave Animation */
.frequency-waves {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 200px;
    z-index: 0;
    opacity: 0.1;
}

.wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, var(--md-primary) 0%, transparent 100%);
    animation: wave-animation 4s ease-in-out infinite;
}

.wave:nth-child(2) {
    animation-delay: -1s;
    opacity: 0.7;
}

.wave:nth-child(3) {
    animation-delay: -2s;
    opacity: 0.5;
}

@keyframes wave-animation {
    0%, 100% { transform: translateY(0) scaleY(1); }
    50% { transform: translateY(-20px) scaleY(1.1); }
}

/* Auth Container */
.auth-container {
    max-width: 480px;
    width: 100%;
    padding: 50px 40px;
    background: var(--card-bg);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(25, 118, 210, 0.2);
    position: relative;
    z-index: 1;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="light"] .auth-container {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 0 40px rgba(25, 118, 210, 0.1);
    border: 1px solid rgba(25, 118, 210, 0.2);
}

.auth-header {
    text-align: center;
    margin-bottom: 40px;
}

.auth-container h1 {
    font-size: 3em;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #42a5f5 0%, #90caf9 50%, #bbdefb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(66, 165, 245, 0.5);
    letter-spacing: 2px;
    animation: pulse-glow 3s ease-in-out infinite;
    text-align: center;
}

[data-theme="light"] .auth-container h1 {
    background: linear-gradient(135deg, #1976d2 0%, #42a5f5 50%, #64b5f6 100%);
}

@keyframes pulse-glow {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.2); }
}

.auth-container .subtitle {
    text-align: center;
    color: var(--text-primary);
    font-size: 1.2em;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.auth-container .mission-statement {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1em;
    margin-bottom: 20px;
    line-height: 1.7;
    padding: 0 10px;
}

.mission-highlight {
    color: var(--md-primary-light);
    font-weight: 700;
    text-shadow: 0 0 10px rgba(66, 165, 245, 0.5);
    font-size: 1.1em;
}

[data-theme="dark"] .mission-highlight {
    color: #64b5f6;
}

.mission-details {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9em;
    margin-top: 20px;
    padding: 15px;
    background: rgba(25, 118, 210, 0.05);
    border-radius: 10px;
    border-left: 3px solid var(--md-primary);
    line-height: 1.6;
}

[data-theme="dark"] .mission-details {
    background: rgba(66, 165, 245, 0.1);
    border-left-color: var(--md-primary-light);
}

/* Enhanced Auth Form Styles */
.auth-container .form-group {
    margin-bottom: 24px;
}

.auth-container .form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95em;
    letter-spacing: 0.5px;
}

.auth-container .form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1em;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.auth-container .form-group input:focus {
    outline: none;
    border-color: var(--md-primary-light);
    box-shadow: 0 0 0 3px rgba(66, 165, 245, 0.2), 0 0 15px rgba(66, 165, 245, 0.3);
    transform: translateY(-2px);
}

[data-theme="dark"] .auth-container .form-group input:focus {
    border-color: #64b5f6;
    box-shadow: 0 0 0 3px rgba(100, 181, 246, 0.2), 0 0 15px rgba(100, 181, 246, 0.3);
}

.auth-container .btn-primary {
    width: 100%;
    padding: 16px 24px;
    font-size: 1.1em;
    font-weight: 600;
    margin-top: 12px;
    letter-spacing: 1px;
    background: linear-gradient(135deg, var(--md-primary) 0%, var(--md-primary-light) 100%);
    border: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.auth-container .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(25, 118, 210, 0.4), 0 0 20px rgba(66, 165, 245, 0.3);
}

.auth-container .btn-primary:active {
    transform: translateY(0);
}

.auth-container .btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.auth-container .btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.auth-container .btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.auth-container .mission-statement {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.95em;
    margin-bottom: 30px;
    line-height: 1.6;
}

.mission-highlight {
    color: var(--md-primary);
    font-weight: 600;
}

[data-theme="dark"] .mission-highlight {
    color: var(--md-primary-light);
}

.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 14px 16px;
    border-radius: 8px;
    margin-bottom: 24px;
    display: block;
    border-left: 4px solid #d32f2f;
    font-size: 0.95em;
}

[data-theme="dark"] .error-message {
    background: rgba(211, 47, 47, 0.2);
    color: #ef5350;
    border-left-color: #ef5350;
}

@media (max-width: 480px) {
    .auth-container {
        padding: 40px 30px;
    }
    
    .auth-container h1 {
        font-size: 2em;
    }
}

/* Info Icon Component */
.info-icon-container {
    position: relative;
    display: inline-flex;
    align-items: center;
    vertical-align: middle;
}

.info-icon {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    width: 20px;
    height: 20px;
    min-width: 20px;
    min-height: 20px;
}

.info-icon:hover,
.info-icon:focus {
    background: var(--bg-secondary);
    color: var(--md-primary);
    outline: none;
}

.info-icon:focus-visible {
    outline: 2px solid var(--md-primary);
    outline-offset: 2px;
}

.info-icon-small {
    width: 18px;
    height: 18px;
    min-width: 18px;
    min-height: 18px;
}

.info-icon-small .material-icons {
    font-size: 18px;
}

.info-icon-medium {
    width: 20px;
    height: 20px;
    min-width: 20px;
    min-height: 20px;
}

.info-icon-medium .material-icons {
    font-size: 20px;
}

.info-icon-large {
    width: 24px;
    height: 24px;
    min-width: 24px;
    min-height: 24px;
}

.info-icon-large .material-icons {
    font-size: 24px;
}

.info-icon .material-icons {
    font-size: 20px;
    line-height: 1;
}

/* Info Tooltip */
.info-tooltip {
    position: absolute;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    box-shadow: 0 4px 12px var(--shadow);
    z-index: 1000;
    min-width: 200px;
    max-width: 350px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    transform: translateY(-4px);
}

.info-tooltip.visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}

.info-tooltip-title {
    font-weight: 600;
    color: var(--md-primary);
    margin-bottom: 6px;
    font-size: 0.95em;
}

[data-theme="dark"] .info-tooltip-title {
    color: var(--md-primary-light);
}

.info-tooltip-content {
    color: var(--text-primary);
    font-size: 0.9em;
    line-height: 1.5;
}

.info-tooltip-content p {
    margin: 0 0 8px 0;
}

.info-tooltip-content p:last-child {
    margin-bottom: 0;
}

/* Tooltip positioning */
.info-tooltip-top {
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(-4px);
}

.info-tooltip-top.visible {
    transform: translateX(-50%) translateY(0);
}

.info-tooltip-bottom {
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
}

.info-tooltip-bottom.visible {
    transform: translateX(-50%) translateY(0);
}

.info-tooltip-left {
    right: calc(100% + 8px);
    top: 50%;
    transform: translateY(-50%) translateX(-4px);
}

.info-tooltip-left.visible {
    transform: translateY(-50%) translateX(0);
}

.info-tooltip-right {
    left: calc(100% + 8px);
    top: 50%;
    transform: translateY(-50%) translateX(4px);
}

.info-tooltip-right.visible {
    transform: translateY(-50%) translateX(0);
}

/* Arrow/pointer for tooltip */
.info-tooltip::before {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border-style: solid;
}

.info-tooltip-top::before {
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 6px 6px 0 6px;
    border-color: var(--card-bg) transparent transparent transparent;
}

.info-tooltip-bottom::before {
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 0 6px 6px 6px;
    border-color: transparent transparent var(--card-bg) transparent;
}

.info-tooltip-left::before {
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 6px 0 6px 6px;
    border-color: transparent transparent transparent var(--card-bg);
}

.info-tooltip-right::before {
    left: -6px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 6px 6px 6px 0;
    border-color: transparent var(--card-bg) transparent transparent;
}

/* Footer */
footer {
    text-align: center;
    color: var(--text-secondary);
    margin-top: 40px;
    padding: 20px;
}

#server-status {
    font-weight: 600;
}

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

/* Dashboard Tab Styles */
.dashboard-tab {
    padding: 20px 0;
}

/* Constellation Intentions Section */
.constellation-intentions-section {
    margin-bottom: 30px;
}

.constellation-intentions-header {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 12px var(--shadow);
}

.constellation-intentions-display {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}

.constellation-intentions-label {
    flex: 1;
    color: var(--text-primary);
    font-size: 1.1em;
    line-height: 1.5;
}

.constellation-intentions-edit {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
}

.constellation-intentions-input {
    flex: 1;
    padding: 10px 15px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    background: var(--card-bg);
    color: var(--text-primary);
    font-size: 1.1em;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.constellation-intentions-input:focus {
    outline: none;
    border-color: var(--md-primary);
    box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
}

.constellation-intentions-actions {
    display: flex;
    gap: 8px;
}

.btn-icon-edit {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-icon-edit:hover {
    background: var(--md-surface-variant);
    color: var(--md-primary);
    border-color: var(--md-primary);
}

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

.btn-icon-success:hover {
    background: #1b5e20;
    transform: scale(1.05);
}

.btn-icon-cancel {
    background: var(--md-error);
    color: white;
}

.btn-icon-cancel:hover {
    background: #b71c1c;
    transform: scale(1.05);
}

/* Settings Menu */
.settings-menu-container {
    position: relative;
    display: inline-block;
}

.btn-icon-settings {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    padding: 4px;
}

.btn-icon-settings:hover {
    background: var(--md-surface-variant);
    color: var(--text-primary);
}

.settings-menu-dropdown {
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 4px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px var(--shadow);
    z-index: 1000;
    min-width: 150px;
    overflow: hidden;
}

.settings-menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 12px 16px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 0.95em;
    cursor: pointer;
    transition: background 0.2s ease;
    text-align: left;
}

.settings-menu-item:hover {
    background: var(--md-surface-variant);
}

.settings-menu-item .material-icons {
    font-size: 20px;
    color: var(--text-secondary);
}

.settings-menu-item-danger {
    color: var(--md-error);
}

.settings-menu-item-danger:hover {
    background: rgba(211, 47, 47, 0.1);
}

.settings-menu-item-danger .material-icons {
    color: var(--md-error);
}

/* User Avatar */
.user-avatar {
    flex-shrink: 0;
}

/* Dashboard Sections */
.dashboard-section {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 4px 12px var(--shadow);
    margin-bottom: 24px;
}

.dashboard-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.dashboard-section-header h2 {
    margin: 0;
    color: var(--md-primary);
    font-size: 1.5em;
}

[data-theme="dark"] .dashboard-section-header h2 {
    color: var(--md-primary-light);
}

.btn-icon-add {
    background: var(--md-primary);
    color: white;
}

.btn-icon-add:hover {
    background: var(--md-primary-dark);
    transform: scale(1.05);
}

/* Dashboard Items List */
.dashboard-items-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.dashboard-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--md-surface-variant);
    border-radius: 8px;
    transition: background 0.2s ease;
}

.dashboard-item:hover {
    background: var(--md-surface-variant);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

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

.dashboard-item-text {
    color: var(--text-primary);
    font-size: 1em;
    line-height: 1.5;
    word-wrap: break-word;
}

.dashboard-empty-message {
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
    padding: 24px;
}

/* Dashboard Item Edit */
.dashboard-item-edit {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--md-surface-variant);
    border-radius: 8px;
    margin-bottom: 12px;
}

.dashboard-item-input {
    flex: 1;
    padding: 10px 15px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    background: var(--card-bg);
    color: var(--text-primary);
    font-size: 1em;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.dashboard-item-input:focus {
    outline: none;
    border-color: var(--md-primary);
    box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
}

.dashboard-item-edit-actions {
    display: flex;
    gap: 8px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    header h1 {
        font-size: 2em;
    }

    .header-content {
        flex-direction: column;
    }

    .tabs {
        flex-direction: column;
    }

    .tab-btn {
        width: 100%;
    }

    .card {
        padding: 20px;
    }

    .constellation-intentions-display {
        flex-direction: column;
        align-items: flex-start;
    }

    .constellation-intentions-label {
        width: 100%;
    }

    .constellation-intentions-edit {
        flex-direction: column;
        align-items: stretch;
    }

    .constellation-intentions-actions {
        justify-content: flex-end;
    }

    .dashboard-section {
        padding: 16px;
    }

    .dashboard-section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .dashboard-item {
        flex-wrap: wrap;
    }

    .dashboard-item-edit {
        flex-wrap: wrap;
    }

    .settings-menu-dropdown {
        right: auto;
        left: 0;
    }
}