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

/* CSS Variables - Theme System */
:root {
    /* Default Theme: Pink/Purple (Dark) */
    --theme-primary: #f06292;      /* Pink */
    --theme-secondary: #9c27b0;    /* Purple */
    --theme-secondary-dark: #7b1fa2; /* Darker Purple */
    
    /* Background Colors */
    --bg-body: #0d0d0d;
    --bg-container: #1a1a1a;
    --bg-sidebar: #2a2a2a;
    --bg-page-controls: #2a2a2a;
    --bg-card: #2a2a2a;
    --bg-card-collected: #2d3a2d;
    --bg-button: #9c27b0;
    --bg-button-hover: #7b1fa2;
    --bg-button-secondary: #333;
    --bg-button-secondary-hover: #3a3a3a;
    --bg-input: #fff;
    --bg-dropdown: #333;
    --bg-dropdown-hover: #3a3a3a;
    
    /* Text Colors */
    --text-primary: #333;
    --text-secondary: #ddd;
    --text-tertiary: #aaa;
    --text-white: #fff;
    
    /* Border Colors */
    --border-default: #444;
    --border-input: #ddd;
    --border-input-focus: #9c27b0;
    --border-card: #444;
    --border-card-hover: #9c27b0;
    --border-card-collected: #4caf50;
    
    /* Radio Button Accent Color (for settings modal) */
    --radio-accent-color: #9c27b0; /* Default: purple for dark themes */
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-body);
    min-height: 100vh;
    padding: 20px;
    color: var(--text-primary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--bg-container);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

/* Header */
header {
    background: linear-gradient(135deg, var(--theme-primary) 0%, var(--theme-secondary) 100%);
    color: var(--text-white);
    padding: 30px;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    width: 100%;
}

.header-left {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
}

.header-logo {
    height: 70px;
    width: auto;
    object-fit: contain;
}

.header-center {
    flex: 1 1 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 0; /* Allows text to shrink if needed */
}

.header-right {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

header h1,
.header-title {
    font-size: 2.5rem;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    text-align: center;
    width: 100%;
}

/* Main Layout */
.main-layout {
    display: flex;
    min-height: calc(100vh - 200px);
}

/* Hamburger Button */
.hamburger-btn {
    display: none; /* Hidden on desktop */
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.hamburger-btn span {
    width: 100%;
    height: 3px;
    background: var(--hamburger-color, white);
    border-radius: 3px;
    transition: all 0.3s;
}

.hamburger-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger-btn.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Sidebar Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: var(--bg-sidebar);
    border-right: 2px solid var(--border-default);
    padding: 20px;
    padding-bottom: 0; /* Footer will handle bottom padding */
    overflow-y: auto;
    overflow-x: visible;
    flex-shrink: 0;
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.sidebar-footer {
    margin-top: auto;
    padding: 20px 0;
    border-top: 2px solid var(--border-default);
    margin-left: -20px;
    margin-right: -20px;
    padding-left: 20px;
    padding-right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.settings-btn {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-button-secondary);
    border: 2px solid var(--border-default);
    border-radius: 6px;
    color: var(--theme-primary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
    transition: all 0.2s;
}

.settings-btn:hover {
    background: var(--bg-button-secondary-hover);
    border-color: var(--theme-secondary);
    color: var(--theme-secondary);
}

.settings-btn span:first-child {
    font-size: 1.2rem;
}

.kofi-donate-btn {
    margin-top: 8px;
    background: #00b9fe !important;
    border-color: #00b9fe !important;
    color: #fff !important;
}
.kofi-donate-btn:hover {
    background: #0099d6 !important;
    border-color: #0099d6 !important;
    color: #fff !important;
}

/* Collapsible Sections */
.collapsible-section {
    margin-bottom: 15px;
    overflow-x: visible;
    overflow-y: visible;
}

.section-header {
    font-size: 0.9rem;
    margin: 0 0 0 0;
    color: var(--theme-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 12px 14px;
    background: var(--bg-button-secondary);
    border: 2px solid var(--border-default);
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
    user-select: none;
    white-space: nowrap;
}

.section-header > span:first-child {
    flex: 1;
    min-width: 0;
}

.section-percentage {
    font-size: 0.85rem;
    color: #aaa;
    font-weight: 600;
    flex-shrink: 0;
}

.section-header:hover {
    background: #3a3a3a;
    border-color: #f06292;
}

.section-header.collapsed .collapse-icon {
    transform: rotate(-90deg);
}

.collapse-icon {
    transition: transform 0.3s;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.section-content {
    padding: 15px 0;
    overflow-x: visible;
    overflow-y: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    max-height: 2000px;
}

.section-content.collapsed {
    max-height: 0;
    padding: 0;
    overflow: hidden;
}

.sidebar-tabs {
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-x: visible;
}

/* Living Dex Filters */
.living-dex-filters {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 0 0 15px 0;
}

.tab-btn {
    padding: 12px 16px;
    background: var(--bg-button-secondary);
    border: 2px solid var(--border-default);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.2s;
    text-align: left;
    width: 100%;
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-sizing: border-box;
    margin-left: 0;
    color: var(--text-secondary);
}

.tab-btn:hover {
    background: var(--bg-button-secondary-hover);
    border-color: var(--theme-secondary);
}

.tab-btn .percentage {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    font-weight: 600;
    margin-left: 8px;
    flex-shrink: 0;
}

.tab-btn.active .percentage {
    color: rgba(255, 255, 255, 0.9);
}

.tab-btn.active {
    background: var(--tab-active-bg, var(--theme-secondary));
    color: var(--tab-active-text, var(--text-white));
    border-color: var(--tab-active-bg, var(--theme-secondary));
}

/* Dropdown */
.dropdown {
    position: relative;
    display: block;
    width: 100%;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-dropdown);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    border-radius: 6px;
    z-index: 1000;
    margin-top: 5px;
    max-height: 400px;
    overflow-y: auto;
}

.dropdown:hover .dropdown-content,
.dropdown.active .dropdown-content {
    display: block;
}

.dropdown-btn {
    position: relative;
}

.dropdown-content button {
    display: block;
    width: 100%;
    padding: 12px 20px;
    text-align: left;
    background: var(--bg-dropdown);
    border: none;
    border-bottom: 1px solid var(--border-default);
    cursor: pointer;
    font-size: 0.95rem;
    transition: background 0.2s;
    color: var(--text-secondary);
}

.dropdown-content button:hover {
    background: var(--bg-dropdown-hover);
}

.dropdown-content button:last-child {
    border-bottom: none;
}

/* Page Controls */
.page-controls {
    display: flex;
    flex-direction: column;
    padding: 20px 30px;
    background: var(--bg-page-controls);
    border-bottom: 1px solid var(--border-default);
    gap: 15px;
}

.stats-bar {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-align: center;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.stats-bar span {
    display: inline-block;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
}

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

.page-navigation {
    display: flex;
    align-items: center;
    gap: 10px;
}

.page-navigation span {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--page-nav-text-color, #fff);
}

.btn {
    padding: 10px 20px;
    background: var(--button-bg, var(--bg-button));
    color: var(--button-text, var(--text-white));
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.2s;
}

.btn:hover:not(:disabled) {
    background: var(--button-hover-bg, var(--bg-button-hover));
    transform: translateY(-1px);
}

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

#page-info,
.page-navigation span {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--page-nav-text-color, #fff);
}

#page-total {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--page-nav-text-color, #fff);
}

#page-jump-input,
.page-jump-input {
    width: 60px;
    padding: 8px 10px;
    font-size: 1rem;
    background: var(--bg-input);
    color: var(--text-primary);
    border: 2px solid var(--border-input);
    border-radius: 6px;
    text-align: center;
    transition: border-color 0.2s;
    -moz-appearance: textfield;
}

#page-jump-input::-webkit-outer-spin-button,
#page-jump-input::-webkit-inner-spin-button,
.page-jump-input::-webkit-outer-spin-button,
.page-jump-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

#page-jump-input:focus,
.page-jump-input:focus {
    outline: none;
    border-color: var(--border-input-focus);
}

/* Search */
.search-container-wrapper {
    flex: 1;
    min-width: 200px;
    max-width: 400px;
    position: relative;
}

#search-input,
.search-input {
    width: 100%;
    padding: 10px 16px;
    font-size: 1rem;
    background: var(--bg-input);
    color: var(--text-primary);
    border: 2px solid var(--border-input);
    border-radius: 6px;
    transition: border-color 0.2s;
}

#search-input:focus,
.search-input:focus {
    outline: none;
    border-color: var(--border-input-focus);
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #2a2a2a;
    border: 2px solid #9c27b0;
    border-top: none;
    border-radius: 0 0 6px 6px;
    max-height: 300px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
}

.search-results.active {
    display: block;
}

.search-result-item {
    padding: 12px 16px;
    cursor: pointer;
    border-bottom: 1px solid #444;
    transition: background-color 0.2s;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #ddd;
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background-color: #333;
}

.search-result-item.selected {
    background-color: var(--theme-secondary);
    color: var(--text-white);
}

.search-result-name {
    font-weight: 500;
    flex: 1;
}

.search-result-section {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-left: 12px;
}

.search-result-item.selected .search-result-section {
    color: rgba(255, 255, 255, 0.9);
}

/* Grid Container */
.grid-container {
    padding: 30px;
    flex: 1;
    background: var(--bg-container);
}

main {
    flex: 1;
    overflow-x: hidden;
    background: var(--bg-container);
}

/* Grid Layouts */
.grid-3x3,
.grid-4x4,
.grid-5x5 {
    display: grid;
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.grid-3x3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4x4 {
    grid-template-columns: repeat(4, 1fr);
}

.grid-5x5 {
    grid-template-columns: repeat(5, 1fr);
}

/* Pokemon Card */
.pokemon-card {
    aspect-ratio: 63 / 88; /* Standard TCG card ratio - all cards use this */
    background: var(--bg-card);
    border: 3px solid var(--border-card);
    border-radius: 12px;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.pokemon-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
    border-color: var(--border-card-hover);
}

.pokemon-card.collected {
    border-color: var(--border-card-collected);
    background: var(--bg-card-collected);
}

.pokemon-card.collected .pokemon-image {
    filter: none;
}

.pokemon-card:not(.collected) .pokemon-image {
    filter: grayscale(100%);
    opacity: 0.6;
}

.pokemon-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: filter 0.3s;
}

/* TCG card art fills the entire card */
.pokemon-card.has-card-art {
    padding: 0;
}

.pokemon-card.has-card-art .pokemon-image {
    width: 100%;
    height: 100%;
    object-fit: contain; /* Changed from cover to contain to show full card without cropping */
    border-radius: 9px; /* Slightly smaller than card border-radius */
}

.pokemon-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    text-align: center;
    width: 100%;
    padding: 8px 4px 18px 4px; /* Extra bottom padding to raise text above slot number, gradient stays at bottom */
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.4) 50%, transparent 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.slot-number {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-tertiary);
    margin-bottom: 4px;
}

/* Slot number - default position is top left for sprite cards */
.slot-number-bottom {
    position: absolute;
    top: 6px;
    left: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #ffffff;
    background: rgba(0, 0, 0, 0.7);
    padding: 2px 6px;
    border-radius: 4px;
    pointer-events: none;
    z-index: 3; /* Ensure it's above card art */
}

/* Slot number moves to bottom right when card art is selected */
.pokemon-card.has-card-art .slot-number-bottom {
    top: auto;
    left: auto;
    bottom: 6px;
    right: 6px;
}

.pokemon-card.collected .slot-number-bottom {
    color: #ffffff;
    background: rgba(0, 0, 0, 0.8);
}

.pokemon-name {
    font-size: 0.75rem;
    font-weight: 500;
    color: #ddd;
    word-break: break-word;
    line-height: 1.2;
}

/* TCG card name styling */
.pokemon-card.has-card-art .pokemon-name {
    font-size: 0.7rem;
    font-weight: 600;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

/* Light theme: Add black outline to Pokemon names for better readability */
[data-theme="blue-white"] .pokemon-name,
[data-theme="green-white"] .pokemon-name {
    text-shadow: 
        -1px -1px 0 #000,
        1px -1px 0 #000,
        -1px 1px 0 #000,
        1px 1px 0 #000,
        0 0 2px #000;
    color: #fff;
}

[data-theme="blue-white"] .pokemon-card.has-card-art .pokemon-name,
[data-theme="green-white"] .pokemon-card.has-card-art .pokemon-name {
    text-shadow: 
        -1px -1px 0 #000,
        1px -1px 0 #000,
        -1px 1px 0 #000,
        1px 1px 0 #000,
        0 0 3px #000;
}

/* Light theme: Collected Pokemon names also need outline */
[data-theme="blue-white"] .pokemon-card.collected .pokemon-name,
[data-theme="green-white"] .pokemon-card.collected .pokemon-name {
    text-shadow: 
        -1px -1px 0 #000,
        1px -1px 0 #000,
        -1px 1px 0 #000,
        1px 1px 0 #000,
        0 0 2px #000;
    color: #4caf50;
}

.pokemon-card.collected .slot-number,
.pokemon-card.collected .pokemon-name {
    color: #4caf50;
}

/* Card Edit Button (Pencil Icon) */
.card-edit-btn {
    position: absolute;
    top: 6px;
    right: 6px;
    background: rgba(0, 0, 0, 0.7);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.9rem;
    z-index: 10;
    opacity: 0;
    transition: all 0.2s;
    pointer-events: none;
}

.pokemon-card:hover .card-edit-btn {
    opacity: 1;
    pointer-events: all;
}

.card-edit-btn:hover {
    background: rgba(0, 0, 0, 0.9);
    border-color: var(--theme-secondary, #9c27b0);
    transform: scale(1.1);
}

/* Empty Slot */
.pokemon-card.empty {
    border-style: dashed;
    background: #1a1a1a;
    cursor: default;
}

.pokemon-card.empty:hover {
    transform: none;
    box-shadow: none;
    border-color: #444;
}

.empty-slot-text {
    font-size: 0.8rem;
    color: #666;
    text-align: center;
}

/* Loading State */
.loading {
    text-align: center;
    padding: 60px;
    font-size: 1.2rem;
    color: #aaa;
}

/* Error message (data load failure) */
.loading.error-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 50vh;
    gap: 1rem;
}
.error-message-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-secondary, #ddd);
}
.error-message-detail {
    font-size: 1rem;
    color: var(--text-tertiary, #aaa);
    max-width: 400px;
    margin: 0;
}
.error-retry-btn {
    margin-top: 0.5rem;
    padding: 0.6rem 1.25rem;
    font-size: 1rem;
    background: var(--bg-button, #9c27b0);
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}
.error-retry-btn:hover {
    background: var(--bg-button-hover, #7b1fa2);
}

/* Loading Screen */
.loading-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    gap: 20px;
}

.loading-screen p {
    font-size: 1.2rem;
    color: var(--text-secondary, #ddd);
    margin: 0;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--bg-button-secondary, #2a2a2a);
    border-top: 4px solid var(--theme-secondary, #9c27b0);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.app-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    gap: 20px;
}

.app-loading p {
    color: #aaa;
    font-size: 1.1rem;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #333;
    border-top: 4px solid #9c27b0;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 968px) {
    .header-content {
        gap: 15px;
    }
    
    header h1,
    .header-title {
        font-size: 2rem;
    }
    
    /* Show hamburger button on mobile */
    .hamburger-btn {
        display: flex;
    }
    
    .main-layout {
        position: relative;
    }
    
    .sidebar-overlay.active {
        display: block;
    }
    
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        z-index: 999;
        transform: translateX(-100%);
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    main {
        width: 100%;
    }
}

@media (max-width: 768px) {
    /* Make container fill screen on mobile */
    body {
        padding: 0;
    }
    
    .container {
        max-width: 100%;
        border-radius: 0;
        box-shadow: none;
        min-height: 100vh;
    }
    
    header {
        padding: 15px 12px;
    }
    
    .header-content {
        gap: 10px;
    }
    
    .header-logo {
        height: 50px;
    }
    
    header h1,
    .header-title {
        font-size: 1.3rem;
    }
    
    .page-controls {
        padding: 15px 12px;
        gap: 12px;
    }
    
    .stats-bar {
        font-size: clamp(0.85rem, 2.5vw, 1.1rem);
    }
    
    .grid-container {
        padding: 12px 8px;
    }
    
    .grid-3x3,
    .grid-4x4,
    .grid-5x5 {
        gap: 8px;
        padding: 0;
        max-width: 100%;
    }
    
    .pokemon-card {
        padding: 0;
    }
    
    .sidebar {
        padding: 15px;
    }
    
    .tab-btn {
        padding: 10px 12px;
        font-size: 0.9rem;
    }
    
    /* Hide text on pagination buttons, show only arrows on mobile */
    .prev-btn {
        padding: 10px 12px;
        font-size: 0;
        position: relative;
    }
    
    .prev-btn::before {
        content: '←';
        font-size: 1.2rem;
        display: inline-block;
    }
    
    .next-btn {
        padding: 10px 12px;
        font-size: 0;
        position: relative;
    }
    
    .next-btn::after {
        content: '→';
        font-size: 1.2rem;
        display: inline-block;
    }
    
    /* Make edit pencil icon smaller on mobile */
    .card-edit-btn {
        width: 22px;
        height: 22px;
        font-size: 0.75rem;
        top: 4px;
        right: 4px;
    }
}

@media (max-width: 480px) {
    header {
        padding: 12px 10px;
    }
    
    .header-logo {
        height: 45px;
    }
    
    /* Hide title text and center logo on mobile */
    .header-center {
        display: none;
    }
    
    .header-title {
        display: none;
    }
    
    /* Center the logo on mobile */
    .header-left {
        flex: 1 1 auto;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .header-right {
        flex: 0 0 auto;
    }
    
    .page-controls {
        padding: 12px 10px;
        gap: 10px;
    }
    
    .stats-bar {
        font-size: clamp(0.75rem, 3vw, 1rem);
    }
    
    .grid-container {
        padding: 10px 6px;
    }
    
    .grid-3x3,
    .grid-4x4,
    .grid-5x5 {
        gap: 6px;
    }
    
    /* Even smaller edit pencil on very small screens */
    .card-edit-btn {
        width: 20px;
        height: 20px;
        font-size: 0.7rem;
        top: 3px;
        right: 3px;
    }
}

/* ============================================
   THEME DEFINITIONS
   ============================================ */

/* Pink/Purple Theme (Default - Dark) */
[data-theme="pink-purple"] {
    --theme-primary: #f06292;      /* Pink */
    --theme-secondary: #9c27b0;    /* Purple */
    --theme-secondary-dark: #7b1fa2; /* Darker Purple */
    --button-bg: #9c27b0;          /* Purple for buttons */
    --button-text: #ffffff;        /* White text on buttons */
    --button-hover-bg: #7b1fa2;    /* Darker purple for button hover */
    --evolution-current-bg: rgba(156, 39, 176, 0.2); /* Purple tint */
    --evolution-current-shadow: rgba(156, 39, 176, 0.3); /* Purple glow */
    --radio-accent-color: #9c27b0; /* Purple for radio buttons */
}

/* Blue/Purple Theme (Dark) */
[data-theme="blue-purple"] {
    --theme-primary: #2196F3;       /* Blue */
    --theme-secondary: #9c27b0;    /* Purple */
    --theme-secondary-dark: #7b1fa2; /* Darker Purple */
    --button-bg: #9c27b0;          /* Purple for buttons */
    --button-text: #ffffff;        /* White text on buttons */
    --button-hover-bg: #7b1fa2;    /* Darker purple for button hover */
    --evolution-current-bg: rgba(156, 39, 176, 0.2); /* Purple tint */
    --evolution-current-shadow: rgba(156, 39, 176, 0.3); /* Purple glow */
    --radio-accent-color: #9c27b0; /* Purple for radio buttons */
}

/* Red/Pink Theme (Dark) */
[data-theme="red-pink"] {
    --theme-primary: #f44336;       /* Red */
    --theme-secondary: #f06292;    /* Pink */
    --theme-secondary-dark: #e91e63; /* Darker Pink */
    --button-bg: #f06292;          /* Pink for buttons */
    --button-text: #ffffff;        /* White text on buttons */
    --button-hover-bg: #e91e63;    /* Darker pink for button hover */
    --evolution-current-bg: rgba(240, 98, 146, 0.2); /* Pink tint */
    --evolution-current-shadow: rgba(240, 98, 146, 0.3); /* Pink glow */
    --radio-accent-color: #f06292; /* Pink for radio buttons */
}

/* Blue/White Theme (Light) */
[data-theme="blue-white"] {
    --theme-primary: #2196F3;       /* Blue */
    --theme-secondary: #ffffff;     /* White */
    --theme-secondary-dark: #e3f2fd; /* Light Blue */
    --bg-body: #d0d0d0;             /* Darker gray for less blinding white */
    --bg-container: #ffffff;
    --bg-sidebar: #ffffff;
    --bg-page-controls: #f5f5f5;
    --bg-card: #ffffff;
    --bg-card-collected: #e8f5e9;
    --bg-button-secondary: #e3e3e3;
    --bg-button-secondary-hover: #d0d0d0;
    --bg-dropdown: #f5f5f5;
    --bg-dropdown-hover: #e3e3e3;
    --text-primary: #212121;
    --text-secondary: #424242;
    --text-tertiary: #757575;
    --border-default: #bdbdbd;
    --border-card: #bdbdbd;
    --border-card-hover: #2196F3;
    /* Light theme overrides */
    --hamburger-color: #2196F3;     /* Use primary color for hamburger */
    --page-nav-text-color: #212121; /* Dark text for page navigation */
    --tab-active-bg: #2196F3;       /* Use primary color for active tabs */
    --tab-active-text: #ffffff;     /* White text on active tabs */
    --button-bg: #2196F3;           /* Primary color for buttons */
    --button-text: #ffffff;         /* White text on buttons */
    --button-hover-bg: #1976d2;     /* Darker blue for button hover */
    --close-btn-color: #2196F3;     /* Primary color for close button X */
    --close-btn-bg: rgba(33, 150, 243, 0.1); /* Light blue background for close button */
    --close-btn-border: rgba(33, 150, 243, 0.3); /* Light blue border */
    --close-btn-bg-hover: rgba(33, 150, 243, 0.2); /* Hover background */
    --close-btn-border-hover: rgba(33, 150, 243, 0.5); /* Hover border */
    --evolution-current-bg: rgba(33, 150, 243, 0.15); /* Blue tint */
    --evolution-current-shadow: rgba(33, 150, 243, 0.25); /* Blue glow */
    --radio-accent-color: #2196F3; /* Blue for light theme radio buttons */
}

/* Green/Blue Theme (Dark) */
[data-theme="green-blue"] {
    --theme-primary: #4caf50;      /* Green */
    --theme-secondary: #2196F3;    /* Blue */
    --theme-secondary-dark: #1976d2; /* Darker Blue */
    --button-bg: #2196F3;          /* Blue for buttons */
    --button-text: #ffffff;        /* White text on buttons */
    --button-hover-bg: #1976d2;    /* Darker blue for button hover */
    --evolution-current-bg: rgba(33, 150, 243, 0.2); /* Blue tint */
    --evolution-current-shadow: rgba(33, 150, 243, 0.3); /* Blue glow */
    --radio-accent-color: #2196F3; /* Blue for radio buttons */
}

/* Green/White Theme (Light) */
[data-theme="green-white"] {
    --theme-primary: #4caf50;       /* Green */
    --theme-secondary: #ffffff;     /* White */
    --theme-secondary-dark: #e8f5e9; /* Light Green */
    --bg-body: #d0d0d0;             /* Darker gray for less blinding white */
    --bg-container: #ffffff;
    --bg-sidebar: #ffffff;
    --bg-page-controls: #f5f5f5;
    --bg-card: #ffffff;
    --bg-card-collected: #e8f5e9;
    --bg-button-secondary: #e3e3e3;
    --bg-button-secondary-hover: #d0d0d0;
    --bg-dropdown: #f5f5f5;
    --bg-dropdown-hover: #e3e3e3;
    --text-primary: #212121;
    --text-secondary: #424242;
    --text-tertiary: #757575;
    --border-default: #bdbdbd;
    --border-card: #bdbdbd;
    --border-card-hover: #4caf50;
    /* Light theme overrides */
    --hamburger-color: #4caf50;     /* Use primary color for hamburger */
    --page-nav-text-color: #212121; /* Dark text for page navigation */
    --tab-active-bg: #4caf50;       /* Use primary color for active tabs */
    --tab-active-text: #ffffff;     /* White text on active tabs */
    --button-bg: #4caf50;           /* Primary color for buttons */
    --button-text: #ffffff;         /* White text on buttons */
    --button-hover-bg: #388e3c;     /* Darker green for button hover */
    --close-btn-color: #4caf50;     /* Primary color for close button X */
    --close-btn-bg: rgba(76, 175, 80, 0.1); /* Light green background for close button */
    --close-btn-border: rgba(76, 175, 80, 0.3); /* Light green border */
    --close-btn-bg-hover: rgba(76, 175, 80, 0.2); /* Hover background */
    --close-btn-border-hover: rgba(76, 175, 80, 0.5); /* Hover border */
    --evolution-current-bg: rgba(76, 175, 80, 0.15); /* Green tint */
    --evolution-current-shadow: rgba(76, 175, 80, 0.25); /* Green glow */
    --radio-accent-color: #4caf50; /* Green for light theme radio buttons */
}