/* Material You Theme Variables */
:root {
    /* Material You Color Palette - Light Theme */
    --md-primary: #6750A4;
    --md-primary-container: #EADDFF;
    --md-on-primary: #FFFFFF;
    --md-on-primary-container: #21005D;
    
    --md-secondary: #625B71;
    --md-secondary-container: #E8DEF8;
    --md-on-secondary: #FFFFFF;
    --md-on-secondary-container: #1D192B;
    
    --md-tertiary: #7D5260;
    --md-tertiary-container: #FFD8E4;
    --md-on-tertiary: #FFFFFF;
    --md-on-tertiary-container: #31111D;
    
    --md-error: #B3261E;
    --md-error-container: #F9DEDC;
    --md-on-error: #FFFFFF;
    --md-on-error-container: #410E0B;
    
    --md-success: #0F9D58;
    --md-success-container: #D4F4DD;
    --md-on-success: #FFFFFF;
    --md-on-success-container: #002106;
    
    --md-warning: #F9AB00;
    --md-warning-container: #FFEDB8;
    --md-on-warning: #3E2D00;
    --md-on-warning-container: #2E1F00;
    
    --md-surface: #FFFBFE;
    --md-surface-variant: #E7E0EC;
    --md-surface-container: #F3EDF7;
    --md-surface-container-high: #ECE6F0;
    --md-surface-container-highest: #E6E0E9;
    --md-on-surface: #1C1B1F;
    --md-on-surface-variant: #49454F;
    
    --md-background: #FFFBFE;
    --md-on-background: #1C1B1F;
    
    --md-outline: #79747E;
    --md-outline-variant: #CAC4D0;
    --md-shadow: rgba(0, 0, 0, 0.2);
    --md-scrim: rgba(0, 0, 0, 0.5);
    
    /* Elevation Shadows (Material 3) */
    --md-elevation-0: none;
    --md-elevation-1: 0 1px 3px 1px rgba(0, 0, 0, 0.15), 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --md-elevation-2: 0 2px 6px 2px rgba(0, 0, 0, 0.15), 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --md-elevation-3: 0 4px 8px 3px rgba(0, 0, 0, 0.15), 0 1px 3px 0 rgba(0, 0, 0, 0.3);
    --md-elevation-4: 0 6px 10px 4px rgba(0, 0, 0, 0.15), 0 2px 3px 0 rgba(0, 0, 0, 0.3);
    --md-elevation-5: 0 8px 12px 6px rgba(0, 0, 0, 0.15), 0 4px 4px 0 rgba(0, 0, 0, 0.3);
    
    /* Motion */
    --md-motion-easing-standard: cubic-bezier(0.2, 0, 0, 1);
    --md-motion-easing-emphasized: cubic-bezier(0.2, 0, 0, 1);
    --md-motion-duration-short: 200ms;
    --md-motion-duration-medium: 300ms;
    --md-motion-duration-long: 400ms;
    
    /* Shape */
    --md-shape-corner-extra-small: 4px;
    --md-shape-corner-small: 8px;
    --md-shape-corner-medium: 12px;
    --md-shape-corner-large: 16px;
    --md-shape-corner-extra-large: 28px;
    --md-shape-corner-full: 9999px;
}

/* Dark Theme */
[data-theme="dark"] {
    --md-primary: #D0BCFF;
    --md-primary-container: #4F378B;
    --md-on-primary: #371E73;
    --md-on-primary-container: #EADDFF;
    
    --md-secondary: #CCC2DC;
    --md-secondary-container: #4A4458;
    --md-on-secondary: #332D41;
    --md-on-secondary-container: #E8DEF8;
    
    --md-tertiary: #EFB8C8;
    --md-tertiary-container: #633B48;
    --md-on-tertiary: #492532;
    --md-on-tertiary-container: #FFD8E4;
    
    --md-error: #F2B8B5;
    --md-error-container: #8C1D18;
    --md-on-error: #601410;
    --md-on-error-container: #F9DEDC;
    
    --md-success: #7DDC97;
    --md-success-container: #0D7A41;
    --md-on-success: #003911;
    --md-on-success-container: #D4F4DD;
    
    --md-warning: #FFBC42;
    --md-warning-container: #C78700;
    --md-on-warning: #5A3D00;
    --md-on-warning-container: #FFEDB8;
    
    --md-surface: #1C1B1F;
    --md-surface-variant: #49454F;
    --md-surface-container: #211F26;
    --md-surface-container-high: #2B2930;
    --md-surface-container-highest: #36343B;
    --md-on-surface: #E6E1E5;
    --md-on-surface-variant: #CAC4D0;
    
    --md-background: #1C1B1F;
    --md-on-background: #E6E1E5;
    
    --md-outline: #938F99;
    --md-outline-variant: #49454F;
    --md-shadow: rgba(0, 0, 0, 0.6);
    --md-scrim: rgba(0, 0, 0, 0.8);
}

/* Color Theme Variants */
[data-color-theme="blue"] {
    --md-primary: #0061A4;
    --md-primary-container: #CFE4FF;
    --md-on-primary: #FFFFFF;
    --md-on-primary-container: #001D35;
}

[data-color-theme="blue"][data-theme="dark"] {
    --md-primary: #9BCBFF;
    --md-primary-container: #004A77;
    --md-on-primary: #003258;
    --md-on-primary-container: #CFE4FF;
}

[data-color-theme="green"] {
    --md-primary: #006E26;
    --md-primary-container: #8EFF8E;
    --md-on-primary: #FFFFFF;
    --md-on-primary-container: #002106;
}

[data-color-theme="green"][data-theme="dark"] {
    --md-primary: #73DD73;
    --md-primary-container: #00531B;
    --md-on-primary: #003910;
    --md-on-primary-container: #8EFF8E;
}

[data-color-theme="red"] {
    --md-primary: #BA1A1A;
    --md-primary-container: #FFDAD6;
    --md-on-primary: #FFFFFF;
    --md-on-primary-container: #410002;
}

[data-color-theme="red"][data-theme="dark"] {
    --md-primary: #FFB4AB;
    --md-primary-container: #93000A;
    --md-on-primary: #690005;
    --md-on-primary-container: #FFDAD6;
}

[data-color-theme="orange"] {
    --md-primary: #8C5000;
    --md-primary-container: #FFDDB5;
    --md-on-primary: #FFFFFF;
    --md-on-primary-container: #2D1600;
}

[data-color-theme="orange"][data-theme="dark"] {
    --md-primary: #FFB870;
    --md-primary-container: #6A3C00;
    --md-on-primary: #4A2800;
    --md-on-primary-container: #FFDDB5;
}

[data-color-theme="pink"] {
    --md-primary: #9C4056;
    --md-primary-container: #FFD9E2;
    --md-on-primary: #FFFFFF;
    --md-on-primary-container: #3E0016;
}

[data-color-theme="pink"][data-theme="dark"] {
    --md-primary: #FFB1C8;
    --md-primary-container: #7D293F;
    --md-on-primary: #5E112D;
    --md-on-primary-container: #FFD9E2;
}

/* Apple Design Theme */
[data-color-theme="apple"] {
    /* Apple-inspired colors */
    --md-primary: #007AFF;
    --md-primary-container: #E5F2FF;
    --md-on-primary: #FFFFFF;
    --md-on-primary-container: #001F3F;
    
    --md-secondary: #5856D6;
    --md-secondary-container: #EFEFF4;
    --md-on-secondary: #FFFFFF;
    --md-on-secondary-container: #1A1A2E;
    
    --md-tertiary: #FF9500;
    --md-tertiary-container: #FFF4E5;
    --md-on-tertiary: #FFFFFF;
    --md-on-tertiary-container: #4A2800;
    
    --md-error: #FF3B30;
    --md-error-container: #FFE5E5;
    --md-on-error: #FFFFFF;
    --md-on-error-container: #5C0000;
    
    --md-success: #34C759;
    --md-success-container: #E8F9EC;
    --md-on-success: #FFFFFF;
    --md-on-success-container: #00370D;
    
    --md-warning: #FF9500;
    --md-warning-container: #FFF4E5;
    --md-on-warning: #FFFFFF;
    --md-on-warning-container: #4A2800;
    
    --md-surface: #FFFFFF;
    --md-surface-variant: #F2F2F7;
    --md-surface-container: #F9F9FB;
    --md-surface-container-high: #EFEFF4;
    --md-surface-container-highest: #E5E5EA;
    --md-on-surface: #000000;
    --md-on-surface-variant: #3C3C43;
    
    --md-background: #F2F2F7;
    --md-on-background: #000000;
    
    --md-outline: #C6C6C8;
    --md-outline-variant: #E5E5EA;
    --md-shadow: rgba(0, 0, 0, 0.1);
    --md-scrim: rgba(0, 0, 0, 0.4);
    
    /* Apple-style shadows */
    --md-elevation-0: none;
    --md-elevation-1: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --md-elevation-2: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --md-elevation-3: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --md-elevation-4: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --md-elevation-5: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Apple corner radii */
    --md-shape-corner-extra-small: 6px;
    --md-shape-corner-small: 10px;
    --md-shape-corner-medium: 14px;
    --md-shape-corner-large: 18px;
    --md-shape-corner-extra-large: 20px;
    --md-shape-corner-full: 9999px;
}

[data-color-theme="apple"][data-theme="dark"] {
    --md-primary: #0A84FF;
    --md-primary-container: #1C3A52;
    --md-on-primary: #FFFFFF;
    --md-on-primary-container: #B8DAFF;
    
    --md-secondary: #5E5CE6;
    --md-secondary-container: #2E2D4A;
    --md-on-secondary: #FFFFFF;
    --md-on-secondary-container: #D4D4F4;
    
    --md-tertiary: #FF9F0A;
    --md-tertiary-container: #4A3200;
    --md-on-tertiary: #000000;
    --md-on-tertiary-container: #FFD89C;
    
    --md-error: #FF453A;
    --md-error-container: #5C1A1A;
    --md-on-error: #FFFFFF;
    --md-on-error-container: #FFB8B3;
    
    --md-success: #32D74B;
    --md-success-container: #1A4D26;
    --md-on-success: #000000;
    --md-on-success-container: #B8F5C4;
    
    --md-warning: #FF9F0A;
    --md-warning-container: #4A3200;
    --md-on-warning: #000000;
    --md-on-warning-container: #FFD89C;
    
    --md-surface: #1C1C1E;
    --md-surface-variant: #2C2C2E;
    --md-surface-container: #242426;
    --md-surface-container-high: #2C2C2E;
    --md-surface-container-highest: #3A3A3C;
    --md-on-surface: #FFFFFF;
    --md-on-surface-variant: #EBEBF5;
    
    --md-background: #000000;
    --md-on-background: #FFFFFF;
    
    --md-outline: #48484A;
    --md-outline-variant: #3A3A3C;
    --md-shadow: rgba(0, 0, 0, 0.3);
    --md-scrim: rgba(0, 0, 0, 0.6);
}

/* Apple-specific styling overrides */
[data-color-theme="apple"] body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'SF Pro Display', 'Helvetica Neue', 'Roboto', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Liquid Glass Card Effects */
[data-color-theme="apple"] .material-card {
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.9) 0%,
        rgba(255, 255, 255, 0.7) 100%
    );
    box-shadow: 
        0 8px 32px 0 rgba(0, 122, 255, 0.1),
        0 2px 8px 0 rgba(0, 0, 0, 0.05),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.9);
    position: relative;
    overflow: hidden;
}

[data-color-theme="apple"][data-theme="dark"] .material-card {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: linear-gradient(
        135deg,
        rgba(28, 28, 30, 0.95) 0%,
        rgba(44, 44, 46, 0.8) 100%
    );
    box-shadow: 
        0 8px 32px 0 rgba(10, 132, 255, 0.15),
        0 2px 8px 0 rgba(0, 0, 0, 0.3),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
}

/* Liquid Glass reflection effect on cards */
[data-color-theme="apple"] .material-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

[data-color-theme="apple"] .material-card:hover::before {
    left: 100%;
}

[data-color-theme="apple"] .material-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 
        0 16px 48px 0 rgba(0, 122, 255, 0.2),
        0 4px 16px 0 rgba(0, 0, 0, 0.1),
        inset 0 1px 0 0 rgba(255, 255, 255, 1);
}

[data-color-theme="apple"][data-theme="dark"] .material-card:hover {
    box-shadow: 
        0 16px 48px 0 rgba(10, 132, 255, 0.25),
        0 4px 16px 0 rgba(0, 0, 0, 0.4),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
}

/* Liquid Glass Navbar */
[data-color-theme="apple"] .material-navbar {
    backdrop-filter: blur(40px) saturate(200%);
    -webkit-backdrop-filter: blur(40px) saturate(200%);
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.9) 0%,
        rgba(255, 255, 255, 0.85) 100%
    );
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 4px 24px 0 rgba(0, 122, 255, 0.08),
        0 1px 0 0 rgba(255, 255, 255, 0.9) inset;
}

[data-color-theme="apple"][data-theme="dark"] .material-navbar {
    background: linear-gradient(
        180deg,
        rgba(28, 28, 30, 0.95) 0%,
        rgba(28, 28, 30, 0.9) 100%
    );
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 
        0 4px 24px 0 rgba(10, 132, 255, 0.12),
        0 1px 0 0 rgba(255, 255, 255, 0.05) inset;
}

/* Liquid Glass Buttons */
[data-color-theme="apple"] .btn-material-primary {
    border-radius: 12px;
    font-weight: 600;
    letter-spacing: -0.3px;
    backdrop-filter: blur(20px);
    background: linear-gradient(
        135deg,
        rgba(0, 122, 255, 1) 0%,
        rgba(10, 132, 255, 0.95) 100%
    );
    box-shadow: 
        0 4px 16px 0 rgba(0, 122, 255, 0.4),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-color-theme="apple"] .btn-material-primary:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 8px 24px 0 rgba(0, 122, 255, 0.5),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.4);
}

[data-color-theme="apple"][data-theme="dark"] .btn-material-primary {
    background: linear-gradient(
        135deg,
        rgba(10, 132, 255, 1) 0%,
        rgba(0, 122, 255, 0.95) 100%
    );
}

[data-color-theme="apple"] .btn-material-secondary {
    border-radius: 12px;
    font-weight: 600;
    letter-spacing: -0.3px;
    backdrop-filter: blur(20px);
    background: rgba(88, 86, 214, 0.15);
    border: 1px solid rgba(88, 86, 214, 0.3);
    box-shadow: 
        0 2px 8px 0 rgba(88, 86, 214, 0.2),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.2);
}

[data-color-theme="apple"] .btn-material-secondary:hover {
    background: rgba(88, 86, 214, 0.25);
    transform: translateY(-2px);
    box-shadow: 
        0 4px 16px 0 rgba(88, 86, 214, 0.3),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.3);
}

/* Liquid Glass Inputs */
[data-color-theme="apple"] .material-input,
[data-color-theme="apple"] .form-control,
[data-color-theme="apple"] .form-select {
    border-radius: 12px;
    border: 1px solid rgba(0, 122, 255, 0.2);
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.9) 0%,
        rgba(242, 242, 247, 0.8) 100%
    );
    backdrop-filter: blur(10px);
    box-shadow: 
        0 2px 8px 0 rgba(0, 0, 0, 0.05),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.8);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-color-theme="apple"] .material-input:focus,
[data-color-theme="apple"] .form-control:focus,
[data-color-theme="apple"] .form-select:focus {
    border-color: rgba(0, 122, 255, 0.6);
    box-shadow: 
        0 4px 16px 0 rgba(0, 122, 255, 0.2),
        0 0 0 4px rgba(0, 122, 255, 0.1),
        inset 0 1px 0 0 rgba(255, 255, 255, 1);
}

[data-color-theme="apple"][data-theme="dark"] .material-input,
[data-color-theme="apple"][data-theme="dark"] .form-control,
[data-color-theme="apple"][data-theme="dark"] .form-select {
    background: linear-gradient(
        135deg,
        rgba(44, 44, 46, 0.9) 0%,
        rgba(28, 28, 30, 0.8) 100%
    );
    border: 1px solid rgba(10, 132, 255, 0.3);
    box-shadow: 
        0 2px 8px 0 rgba(0, 0, 0, 0.3),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
}

/* Liquid Glass Badges */
[data-color-theme="apple"] .badge-material-primary,
[data-color-theme="apple"] .badge-material-secondary,
[data-color-theme="apple"] .badge-material-success,
[data-color-theme="apple"] .badge-material-warning,
[data-color-theme="apple"] .badge-material-error {
    border-radius: 8px;
    font-weight: 600;
    letter-spacing: -0.2px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 
        0 2px 8px 0 rgba(0, 0, 0, 0.1),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.4);
}

/* Global tab/pill badge used in navs and tab buttons */
.tab-badge {
    background-color: var(--md-error);
    color: var(--md-on-error);
    border-radius: 12px;
    padding: 0.125rem 0.5rem;
    font-size: clamp(0.75rem, 2vw, 0.85rem);
    font-weight: 600;
    min-width: 20px;
    text-align: center;
    display: inline-block;
    margin-left: 0.35rem;
    vertical-align: middle;
}

/* Liquid Glass FAB */
[data-color-theme="apple"] .fab {
    border-radius: 18px;
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    background: linear-gradient(
        135deg,
        rgba(0, 122, 255, 1) 0%,
        rgba(10, 132, 255, 0.98) 100%
    );
    box-shadow: 
        0 8px 32px 0 rgba(0, 122, 255, 0.5),
        0 4px 8px 0 rgba(0, 0, 0, 0.15),
        inset 0 2px 0 0 rgba(255, 255, 255, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

[data-color-theme="apple"] .fab:hover {
    transform: scale(1.1) translateY(-4px) rotate(5deg);
    box-shadow: 
        0 16px 48px 0 rgba(0, 122, 255, 0.6),
        0 8px 16px 0 rgba(0, 0, 0, 0.2),
        inset 0 2px 0 0 rgba(255, 255, 255, 0.4);
}

[data-color-theme="apple"] .fab:active {
    transform: scale(0.95) translateY(-2px);
}

/* Liquid Glass Settings Sections */
[data-color-theme="apple"] .settings-section {
    backdrop-filter: blur(30px) saturate(180%);
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.95) 0%,
        rgba(255, 255, 255, 0.85) 100%
    );
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 
        0 8px 32px 0 rgba(0, 122, 255, 0.08),
        inset 0 1px 0 0 rgba(255, 255, 255, 1);
}

[data-color-theme="apple"][data-theme="dark"] .settings-section {
    background: linear-gradient(
        135deg,
        rgba(28, 28, 30, 0.95) 0%,
        rgba(44, 44, 46, 0.85) 100%
    );
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 
        0 8px 32px 0 rgba(10, 132, 255, 0.12),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
}

/* Liquid Glass Modal */
[data-color-theme="apple"] .modal-content {
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.98) 0%,
        rgba(255, 255, 255, 0.95) 100%
    );
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    box-shadow: 
        0 20px 60px 0 rgba(0, 122, 255, 0.15),
        0 4px 16px 0 rgba(0, 0, 0, 0.1),
        inset 0 1px 0 0 rgba(255, 255, 255, 1);
}

[data-color-theme="apple"][data-theme="dark"] .modal-content {
    background: linear-gradient(
        135deg,
        rgba(28, 28, 30, 0.98) 0%,
        rgba(44, 44, 46, 0.95) 100%
    );
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 
        0 20px 60px 0 rgba(10, 132, 255, 0.2),
        0 4px 16px 0 rgba(0, 0, 0, 0.4),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.08);
}

/* Liquid Glass shimmer animation for cards */
@keyframes liquidShimmer {
    0% {
        background-position: -200% center;
    }
    100% {
        background-position: 200% center;
    }
}

[data-color-theme="apple"] .material-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle,
        rgba(0, 122, 255, 0.1) 0%,
        transparent 70%
    );
    opacity: 0;
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

[data-color-theme="apple"] .material-card:hover::after {
    opacity: 1;
    animation: liquidShimmer 2s ease-in-out infinite;
}

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

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--md-background);
    color: var(--md-on-background);
    line-height: 1.6;
}

/* Bootstrap overrides for better Material You integration */
.text-muted {
    color: var(--md-on-surface-variant) !important;
    opacity: 0.87;
}

/* Material Navbar */
.material-navbar {
    background-color: var(--md-surface);
    box-shadow: var(--md-elevation-2);
    padding: 1rem 0;
    backdrop-filter: blur(10px);
}

/* Light theme specific navbar background */
:root .material-navbar {
    background-color: rgba(255, 251, 254, 0.95);
}

/* Dark theme specific navbar background */
[data-theme="dark"] .material-navbar {
    background-color: rgba(28, 27, 31, 0.95);
}

/* Dark theme form controls */
[data-theme="dark"] .form-control::placeholder {
    color: var(--md-on-surface-variant);
    opacity: 0.7;
}

[data-theme="dark"] .form-control {
    background-color: var(--md-surface-container);
    border-color: var(--md-outline-variant);
    color: var(--md-on-surface);
}

[data-theme="dark"] .form-control:focus {
    background-color: var(--md-surface-container-high);
    border-color: var(--md-primary);
    color: var(--md-on-surface);
}

.material-navbar .navbar-brand {
    font-weight: 500;
    font-size: 1.5rem;
    color: var(--md-primary);
    transition: color 0.3s ease;
}

.material-navbar .navbar-brand:hover {
    color: var(--md-on-primary-container);
}

.material-navbar .nav-link {
    color: var(--md-on-surface-variant);
    font-weight: 500;
    padding: 0.5rem 1rem;
    margin: 0 0.25rem;
    border-radius: 20px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.material-navbar .nav-link:hover {
    background-color: var(--md-secondary-container);
    color: var(--md-on-secondary-container);
}

.material-navbar .nav-link.active {
    background-color: var(--md-secondary-container);
    color: var(--md-on-secondary-container);
}

.material-navbar .material-symbols-outlined {
    font-size: 1.25rem;
    vertical-align: middle;
}

/* Hero Section */
.hero-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--md-primary-container) 0%, var(--md-surface) 100%);
}

.hero-section h1 {
    color: var(--md-on-surface);
    animation: fadeInUp 0.8s ease;
}

.hero-section .lead {
    color: var(--md-on-surface-variant);
    animation: fadeInUp 1s ease;
}

.hero-icon {
    font-size: 12rem !important;
    color: var(--md-primary);
    animation: float 3s ease-in-out infinite;
}

/* Material Cards */
.material-card {
    background-color: var(--md-surface);
    border-radius: var(--md-shape-corner-extra-large);
    box-shadow: var(--md-elevation-1);
    transition: all var(--md-motion-duration-medium) var(--md-motion-easing-standard);
    border: 1px solid var(--md-outline-variant);
    overflow: hidden;
    position: relative;
}

.material-card:hover {
    box-shadow: var(--md-elevation-3);
    transform: translateY(-4px);
}

.material-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(103, 80, 164, 0.03) 100%);
    pointer-events: none;
}

.note-card {
    cursor: pointer;
    height: 100%;
    position: relative;
    overflow: visible !important;
}

.note-card .card-body {
    padding: 1.5rem;
}

.note-card .card-title {
    font-weight: 500;
    color: var(--md-on-surface);
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
    letter-spacing: 0.01em;
}

.note-card .card-text {
    color: var(--md-on-surface-variant);
    font-size: 0.95rem;
    line-height: 1.5;
}

.note-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--md-on-surface-variant);
    margin-top: 1rem;
    font-size: 0.875rem;
}

.note-meta .material-symbols-outlined {
    font-size: 1rem;
}

/* Project Menu */
.project-menu {
    position: absolute;
    top: 50px;
    right: 10px;
    background: var(--md-surface-container-high);
    border-radius: 12px;
    box-shadow: var(--md-elevation-3);
    z-index: 9999;
    min-width: 180px;
    overflow: hidden;
    animation: menuFadeIn 0.2s var(--md-motion-easing-standard);
}

@keyframes menuFadeIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.project-menu-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem 1rem;
    background: none;
    border: none;
    color: var(--md-on-surface);
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color 0.2s;
    text-align: left;
}

.project-menu-item:hover {
    background-color: var(--md-surface-container-highest);
}

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

.project-menu-item .material-symbols-outlined {
    font-size: 1.2rem;
}

/* Material Buttons */
.btn-material-primary {
    background-color: var(--md-primary);
    color: var(--md-on-primary);
    border: none;
    border-radius: var(--md-shape-corner-full);
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    letter-spacing: 0.1px;
    box-shadow: var(--md-elevation-1);
    transition: all var(--md-motion-duration-medium) var(--md-motion-easing-standard);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-transform: none;
    position: relative;
    overflow: hidden;
}

.btn-material-primary:hover {
    background-color: #7965b3;
    box-shadow: var(--md-elevation-3);
    transform: translateY(-2px);
    color: var(--md-on-primary);
}

.btn-material-primary:active {
    transform: translateY(0);
    box-shadow: var(--md-elevation-1);
}

.btn-material-primary:focus {
    outline: none;
    box-shadow: var(--md-elevation-1), 0 0 0 3px var(--md-primary-container);
}

.btn-material-secondary {
    background-color: var(--md-secondary-container);
    color: var(--md-on-secondary-container);
    border: none;
    border-radius: var(--md-shape-corner-full);
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    letter-spacing: 0.1px;
    transition: all var(--md-motion-duration-medium) var(--md-motion-easing-standard);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-material-secondary:hover {
    background-color: #d4c9e9;
    box-shadow: var(--md-elevation-2);
    transform: translateY(-2px);
    color: var(--md-on-secondary-container);
}

.btn-material-secondary:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--md-secondary-container);
}

.btn-material-outlined {
    background-color: transparent;
    color: var(--md-primary);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-shape-corner-full);
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    letter-spacing: 0.1px;
    transition: all var(--md-motion-duration-medium) var(--md-motion-easing-standard);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-material-outlined:hover {
    background-color: var(--md-primary-container);
    border-color: var(--md-primary);
    color: var(--md-on-primary-container);
}

.btn-material-text {
    background-color: transparent;
    color: var(--md-primary);
    border: none;
    border-radius: var(--md-shape-corner-full);
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    letter-spacing: 0.1px;
    transition: all var(--md-motion-duration-medium) var(--md-motion-easing-standard);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-material-text:hover {
    background-color: var(--md-primary-container);
    color: var(--md-on-primary-container);
}

/* Badges */
.badge-material-primary {
    background-color: var(--md-primary-container);
    color: var(--md-on-primary-container);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.75rem;
}

.badge-material-secondary {
    background-color: var(--md-secondary-container);
    color: var(--md-on-secondary-container);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.75rem;
}

.badge-material-tertiary {
    background-color: var(--md-tertiary-container);
    color: var(--md-on-tertiary-container);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.75rem;
}

/* Icon Button */
.icon-btn {
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--md-shape-corner-full);
    border: none;
    background: transparent;
    transition: all var(--md-motion-duration-short) var(--md-motion-easing-standard);
    color: var(--md-on-surface-variant);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

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

/* Avatar Components */
.user-avatar, .comment-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--md-shape-corner-full);
    background: linear-gradient(135deg, var(--md-primary) 0%, var(--md-secondary) 100%);
    color: var(--md-on-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    font-size: 1rem;
    flex-shrink: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--md-elevation-1);
    transition: all var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.user-avatar:hover {
    box-shadow: var(--md-elevation-2);
    transform: scale(1.05);
}

.comment-avatar {
    width: 36px;
    height: 36px;
    font-size: 0.875rem;
}

/* Notes UI */
.notes-container {
    margin-top: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.item-note {
    background-color: rgba(0,0,0,0.03);
    padding: 0.5rem;
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--md-on-surface-variant);
}
.item-note .item-note-meta {
    margin-bottom: 0.25rem;
}
.add-note-btn .material-symbols-outlined {
    transition: transform 0.15s ease, opacity 0.15s ease;
}
.add-note-btn:hover .material-symbols-outlined {
    transform: translateY(-1px);
    opacity: 1;
}

/* Timestamp tooltip - Material You style */
.timestamp-toggle {
    cursor: pointer;
    position: relative;
    border-bottom: 1px dotted var(--md-outline-variant);
    transition: all 0.2s ease;
    user-select: none;
}

.timestamp-toggle:hover {
    border-bottom-color: var(--md-primary);
    color: var(--md-primary);
}

.timestamp-toggle:active {
    transform: scale(0.98);
}

.navbar .user-avatar {
    cursor: pointer;
}

/* Section Styles */
section {
    position: relative;
}

.section-title {
    font-weight: 500;
    color: var(--md-on-surface);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.section-title .material-symbols-outlined {
    font-size: 2rem;
    color: var(--md-primary);
}

/* About Section */
.about-section {
    background-color: var(--md-surface-variant);
}

/* Feature Pills */
.feature-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background-color: var(--md-primary-container);
    color: var(--md-on-primary-container);
    border-radius: 100px;
    font-weight: 500;
    font-size: 0.9rem;
}

.feature-pill .material-symbols-outlined {
    font-size: 1.25rem;
}

/* Footer */
.material-footer {
    background-color: var(--md-surface-variant);
    color: var(--md-on-surface-variant);
    margin-top: 4rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Page Load Fade-in for App Feel */
body {
    animation: fadeIn 0.25s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Container fade-in */
.container,
.container-fluid {
    animation: fadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1) 0.05s backwards;
}

/* Navbar slide in from top */
.material-navbar {
    animation: slideInFromTop 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Cards stagger fade-in */
.material-card {
    animation: fadeInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

.material-card:nth-child(1) { animation-delay: 0.05s; }
.material-card:nth-child(2) { animation-delay: 0.08s; }
.material-card:nth-child(3) { animation-delay: 0.11s; }
.material-card:nth-child(4) { animation-delay: 0.14s; }
.material-card:nth-child(5) { animation-delay: 0.17s; }
.material-card:nth-child(6) { animation-delay: 0.2s; }
.material-card:nth-child(7) { animation-delay: 0.23s; }
.material-card:nth-child(8) { animation-delay: 0.26s; }

/* Settings sections fade-in */
.settings-section {
    animation: fadeInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

.settings-section:nth-child(1) { animation-delay: 0.05s; }
.settings-section:nth-child(2) { animation-delay: 0.1s; }
.settings-section:nth-child(3) { animation-delay: 0.15s; }
.settings-section:nth-child(4) { animation-delay: 0.2s; }

/* FAB fade-in with bounce */
.fab {
    animation: fadeInUp 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.25s backwards;
}

/* Page transition overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--md-background);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
}

body.page-transitioning::before {
    opacity: 1;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .hero-section {
        padding: 4rem 0;
    }
    
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .hero-icon {
        font-size: 8rem !important;
        margin-top: 2rem;
    }
    
    .feature-pill {
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
    }
}

/* Material You Ripple Effect (Subtle) */
.material-card::after,
.btn-material-primary::after,
.btn-material-secondary::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    pointer-events: none;
}

.material-card:active::after,
.btn-material-primary:active::after,
.btn-material-secondary:active::after {
    width: 200px;
    height: 200px;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Floating Action Button (FAB) */
.fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background-color: var(--md-primary);
    color: var(--md-on-primary);
    border: none;
    box-shadow: var(--md-elevation-3);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
}

.fab:hover {
    box-shadow: var(--md-elevation-5);
    transform: scale(1.05);
    background-color: #7965b3;
}

.fab:active {
    transform: scale(0.95);
}

.fab .material-symbols-outlined {
    font-size: 1.5rem;
}

/* Input Styles for Forms */
.input-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: var(--md-on-surface-variant);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

.input-label .material-symbols-outlined {
    font-size: 1.1rem;
}

.material-input {
    width: 100%;
    padding: 1rem 1rem;
    border: 1px solid var(--md-outline);
    border-radius: var(--md-shape-corner-medium);
    font-size: 1rem;
    line-height: 1.5;
    transition: all var(--md-motion-duration-medium) var(--md-motion-easing-standard);
    background-color: var(--md-surface-container);
    color: var(--md-on-surface);
    font-family: 'Roboto', sans-serif;
}

.material-input:hover {
    border-color: var(--md-on-surface);
    background-color: var(--md-surface-container-high);
}

.material-input:focus {
    outline: none;
    border-color: var(--md-primary);
    border-width: 2px;
    padding: calc(1rem - 1px) calc(1rem - 1px);
    box-shadow: 0 0 0 3px var(--md-primary-container);
    background-color: var(--md-surface);
}

.material-input::placeholder {
    color: var(--md-on-surface-variant);
    opacity: 0.7;
}

.material-input:disabled {
    background-color: var(--md-surface-variant);
    color: var(--md-on-surface-variant);
    cursor: not-allowed;
    opacity: 0.38;
}

textarea.material-input {
    resize: vertical;
    min-height: 80px;
    max-height: 300px;
}

/* Material Select */
.material-select {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--md-outline);
    border-radius: var(--md-shape-corner-medium);
    font-size: 1rem;
    line-height: 1.5;
    transition: all var(--md-motion-duration-medium) var(--md-motion-easing-standard);
    background-color: var(--md-surface-container);
    color: var(--md-on-surface);
    font-family: 'Roboto', sans-serif;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='%2349454F'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 3rem;
}

.material-select:hover {
    border-color: var(--md-on-surface);
    background-color: var(--md-surface-container-high);
}

.material-select:focus {
    outline: none;
    border-color: var(--md-primary);
    border-width: 2px;
    padding: calc(1rem - 1px);
    padding-right: calc(3rem - 1px);
    box-shadow: 0 0 0 3px var(--md-primary-container);
    background-color: var(--md-surface);
}

/* Material Checkbox */
.material-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    user-select: none;
    padding: 0.5rem 0;
}

.material-checkbox input[type="checkbox"] {
    appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--md-outline);
    border-radius: var(--md-shape-corner-extra-small);
    background-color: transparent;
    cursor: pointer;
    position: relative;
    transition: all var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.material-checkbox input[type="checkbox"]:hover {
    border-color: var(--md-primary);
    background-color: var(--md-primary-container);
}

.material-checkbox input[type="checkbox"]:checked {
    background-color: var(--md-primary);
    border-color: var(--md-primary);
}

.material-checkbox input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 1px;
    width: 6px;
    height: 12px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Material Switch */
.material-switch {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    user-select: none;
}

.material-switch input[type="checkbox"] {
    appearance: none;
    width: 52px;
    height: 32px;
    background-color: var(--md-surface-variant);
    border: 2px solid var(--md-outline);
    border-radius: var(--md-shape-corner-full);
    position: relative;
    cursor: pointer;
    transition: all var(--md-motion-duration-medium) var(--md-motion-easing-standard);
}

.material-switch input[type="checkbox"]::before {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    background-color: var(--md-outline);
    border-radius: 50%;
    top: 6px;
    left: 6px;
    transition: all var(--md-motion-duration-medium) var(--md-motion-easing-emphasized);
}

.material-switch input[type="checkbox"]:checked {
    background-color: var(--md-primary);
    border-color: var(--md-primary);
}

.material-switch input[type="checkbox"]:checked::before {
    background-color: var(--md-on-primary);
    left: 28px;
    width: 20px;
    height: 20px;
    top: 4px;
}

/* Color Theme Selector */
.color-theme-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 1rem;
}

.color-theme-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    border-radius: 12px;
    border: 2px solid var(--md-outline-variant);
    background: var(--md-surface);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.color-theme-option:hover {
    border-color: var(--md-primary);
    box-shadow: var(--md-elevation-1);
    transform: translateY(-2px);
}

.color-theme-option.active {
    border-color: var(--md-primary);
    background: var(--md-primary-container);
    box-shadow: var(--md-elevation-2);
}

.color-preview {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    box-shadow: var(--md-elevation-2);
}

.color-theme-option span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--md-on-surface);
}

/* Modal Customizations */
.modal-content {
    border: none;
    box-shadow: var(--md-elevation-5);
}

/* Error Message */
.error-message {
    background-color: var(--md-error-container);
    color: var(--md-on-error-container);
    padding: 0.875rem 1rem;
    border-radius: var(--md-shape-corner-medium);
    margin-bottom: 1rem;
    display: none;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    border-left: 4px solid var(--md-error);
}

.error-message.show {
    display: flex;
    animation: slideIn 0.3s var(--md-motion-easing-emphasized);
}

.error-message .material-symbols-outlined {
    font-size: 1.25rem;
    color: var(--md-error);
}

/* Success Message */
.success-message {
    background-color: var(--md-success-container);
    color: var(--md-on-success-container);
    padding: 0.875rem 1rem;
    border-radius: var(--md-shape-corner-medium);
    margin-bottom: 1rem;
    display: none;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    border-left: 4px solid var(--md-success);
}

.success-message.show {
    display: flex;
    animation: slideIn 0.3s var(--md-motion-easing-emphasized);
}

.success-message .material-symbols-outlined {
    font-size: 1.25rem;
    color: var(--md-success);
}

/* Warning Message */
.warning-message {
    background-color: var(--md-warning-container);
    color: var(--md-on-warning-container);
    padding: 0.875rem 1rem;
    border-radius: var(--md-shape-corner-medium);
    margin-bottom: 1rem;
    display: none;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    border-left: 4px solid var(--md-warning);
}

.warning-message.show {
    display: flex;
    animation: slideIn 0.3s var(--md-motion-easing-emphasized);
}

.warning-message .material-symbols-outlined {
    font-size: 1.25rem;
    color: var(--md-warning);
}

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

/* Material Chips */
.material-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 1rem;
    background-color: var(--md-surface-variant);
    color: var(--md-on-surface-variant);
    border-radius: var(--md-shape-corner-small);
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--md-outline-variant);
    transition: all var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.material-chip:hover {
    background-color: var(--md-surface-container-high);
    box-shadow: var(--md-elevation-1);
}

.material-chip .material-symbols-outlined {
    font-size: 1rem;
}

.material-chip.chip-primary {
    background-color: var(--md-primary-container);
    color: var(--md-on-primary-container);
    border-color: transparent;
}

.material-chip.chip-secondary {
    background-color: var(--md-secondary-container);
    color: var(--md-on-secondary-container);
    border-color: transparent;
}

/* Material Divider */
.material-divider {
    height: 1px;
    background-color: var(--md-outline-variant);
    border: none;
    margin: 1.5rem 0;
}

/* Material Progress */
.material-progress {
    width: 100%;
    height: 4px;
    background-color: var(--md-surface-variant);
    border-radius: var(--md-shape-corner-full);
    overflow: hidden;
}

.material-progress-bar {
    height: 100%;
    background-color: var(--md-primary);
    border-radius: var(--md-shape-corner-full);
    transition: width var(--md-motion-duration-long) var(--md-motion-easing-standard);
}

/* Material Tooltip */
.material-tooltip {
    position: relative;
    display: inline-block;
}

.material-tooltip .tooltip-text {
    visibility: hidden;
    background-color: var(--md-scrim);
    color: var(--md-surface);
    text-align: center;
    padding: 0.5rem 0.75rem;
    border-radius: var(--md-shape-corner-small);
    font-size: 0.75rem;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
    opacity: 0;
    transition: opacity var(--md-motion-duration-short) var(--md-motion-easing-standard);
}

.material-tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* Image Zoom */
.image-zoom-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: zoom-out;
    animation: fadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.image-zoom-overlay img {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--md-shape-corner-large);
    box-shadow: var(--md-elevation-5);
    animation: zoomIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes bounce-attention {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) scale(1);
    }
    40% {
        transform: translateY(-12px) scale(1.05);
    }
    60% {
        transform: translateY(-6px) scale(1.02);
    }
}

/* Material Toast Notifications */
.material-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--md-surface-container-high);
    color: var(--md-on-surface);
    padding: 12px 24px;
    border-radius: 8px;
    box-shadow: var(--md-elevation-3);
    z-index: 10000;
    opacity: 0;
    transition: all 0.3s var(--md-motion-easing-standard);
    min-width: 200px;
    text-align: center;
}

.material-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.bounce-attention {
    animation: bounce-attention 1s ease-in-out 2;
}