/* CSS Variables for Dark Mode Theme */
:root {
    --bg-color: #050505;           /* Very dark, almost black background */
    --sidebar-bg: #0a0a0a;         /* Slightly lighter for layout separation */
    --card-bg: #121212;            /* Card background */
    --card-hover-bg: #1a1a1a;      /* Lighter on hover */
    
    --text-primary: #f0f0f0;       /* Bright text for readability */
    --text-secondary: #888888;     /* Muted text for secondary info */
    
    /* Neon Accents (Antigravity Style) */
    --accent-color: #00f0ff;       /* Cyan neon */
    --accent-glow: rgba(0, 240, 255, 0.15);
    
    --border-color: #222222;       /* Subtle borders */
    
    --font-family: 'Inter', sans-serif;
    
    /* Shortcut Keys styling */
    --key-bg: #2a2a2a;
    --key-border: #444;
    --key-bottom: #111;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-family);
    min-height: 100vh;
    height: 100%;
}

/* Layout */
.app-container {
    display: flex;
    width: 100%;
    min-height: 100vh;
    height: 100%;
}

/* ---------------- SIDEBAR ---------------- */
.sidebar {
    width: 280px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 2rem;
    z-index: 10;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.logo {
    margin-bottom: 2.5rem;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text-primary);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
}

a.subtitle {
    font-size: 0.8rem;
    color: var(--accent-color);
    margin-top: 0.2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-decoration: none;
    display: inline-block;
    transition: color 0.2s, text-shadow 0.2s;
}
a.subtitle:hover {
    color: #fff;
    text-shadow: 0 0 10px var(--accent-glow);
}

.categories {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

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

.category-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    text-align: left;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 12px;
}

.category-btn:hover {
    color: var(--text-primary);
    background-color: var(--card-bg);
}

/* Active Category State */
.category-btn.active {
    color: var(--accent-color);
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    box-shadow: inset 0 0 15px var(--accent-glow);
}

.favorites-tab {
    color: #ff4b4b; /* Distinct color for favorites */
}
.favorites-tab.active {
    color: #ff4b4b;
    box-shadow: inset 0 0 15px rgba(255, 75, 75, 0.15);
}

/* Sidebar Footer (Donations) */
.sidebar-footer {
    margin-top: auto;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.sidebar-footer p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-bottom: 0.8rem;
}

.donate-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.8rem 1rem;
    background-color: #ffd700;
    color: #1a1a1a;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    font-family: var(--font-family);
    border-radius: 8px;
    transition: all 0.2s ease;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.15);
}

.donate-btn:hover {
    transform: translateY(-2px);
    background-color: #ffea00;
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.3);
}

/* ---------------- MAIN CONTENT ---------------- */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* Header & Search */
.top-header {
    padding: 2rem;
    border-bottom: 1px solid var(--border-color);
    background-color: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    position: sticky;
    top: 0;
    z-index: 5;
}

.search-container {
    width: 100%;
    max-width: 650px;
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 1rem;
    color: var(--text-secondary);
    pointer-events: none;
}

#search-input {
    width: 100%;
    padding: 1rem 1.5rem 1rem 3rem;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
    font-family: var(--font-family);
}

#search-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 20px var(--accent-glow);
    background-color: #1a1a1a;
}

#search-input::placeholder {
    color: var(--text-secondary);
}

/* Grid Container */
.shortcuts-grid {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
    
    /* Grid layout for responsive cards */
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    align-content: flex-start;
}

/* ---------------- SHORTCUT CARDS ---------------- */
.shortcut-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    position: relative;
}

.shortcut-card:hover {
    transform: translateY(-3px);
    border-color: var(--text-secondary);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
    background-color: var(--card-hover-bg);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.app-badge {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-color);
    background-color: var(--accent-glow);
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    font-weight: 600;
}

.favorite-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--text-secondary);
    transition: color 0.2s ease, transform 0.2s ease;
}

.favorite-btn:hover {
    transform: scale(1.1);
    color: #ff4b4b;
}

.favorite-btn.active {
    color: #ff4b4b; /* Red heart when filled/active */
}

/* If you use an outline emoji and want it filled, usually we swap characters.
   For simplicity, we'll swap inner text via Javascript from ♡ to ❤️ */

.action-title {
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-primary);
}

/* The actual keyboard keys */
.keys-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto; /* Push to bottom of card */
}

.key {
    background-color: var(--key-bg);
    border: 1px solid var(--key-border);
    border-bottom: 3px solid var(--key-bottom); /* Gives it a physical 3D key look */
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-family: monospace;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    box-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

/* Custom Scrollbar for the main content area */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Empty State (when search finds nothing) */
.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 0;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* ---------------- RESPONSIVENESS ---------------- */
@media (max-width: 768px) {
    body {
        overflow: auto; /* Allow scrolling on mobile */
    }
    .app-container {
        flex-direction: column;
        height: auto;
    }
    .sidebar {
        width: 100%;
        height: auto;
        padding: 1rem;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        position: sticky;
        top: 0;
        z-index: 20;
    }
    .logo {
        margin-bottom: 1rem;
    }
    .categories {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }
    .category-btn {
        white-space: nowrap;
    }
    .divider {
        width: 1px;
        height: auto;
        margin: 0 0.5rem;
    }
    .shortcuts-grid {
        grid-template-columns: 1fr; /* single column on small screens */
    }
    .sidebar-footer {
        display: none; /* Hide donation on mobile to save precious sticky header space */
    }
}

/* ---------------- ADMIN & MODALS ---------------- */
.top-header {
    justify-content: space-between;
    gap: 1rem;
}
.search-container {
    max-width: 500px;
}
.admin-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
}
.admin-btn {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.6rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    gap: 0.5rem;
    align-items: center;
    font-family: var(--font-family);
    font-size: 0.9rem;
}
.admin-btn:hover {
    border-color: var(--text-secondary);
    background: var(--card-hover-bg);
}
.admin-btn.active-edit-btn {
    border-color: var(--accent-color);
    background: var(--card-hover-bg);
    box-shadow: 0 0 10px var(--accent-glow);
}
.admin-btn.hidden {
    display: none;
}
.card-admin-actions {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    display: flex;
    gap: 0.5rem;
}
.card-admin-btn {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.2s ease;
}
.card-admin-btn:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
}
.card-admin-btn.delete:hover {
    color: #ff4b4b;
    border-color: #ff4b4b;
}

/* Modal Styling */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
}
.modal-overlay.hidden {
    display: none;
}
.modal {
    background: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    width: 90%;
    max-width: 450px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.8);
}
.modal h2 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}
.modal p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}
.modal input[type="text"],
.modal input[type="password"],
.modal input[type="email"],
.modal select {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-family: inherit;
    font-size: 1rem;
}
.modal input:focus,
.modal select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-glow);
}
.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}
.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 1rem;
}
.btn {
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s ease;
    font-family: inherit;
}
.btn-primary {
    background: var(--accent-color);
    color: #000;
}
.btn-primary:hover {
    box-shadow: 0 0 15px var(--accent-glow);
    background: #00d5e6;
}
.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background: var(--card-bg);
    border-color: var(--text-secondary);
}
.btn-google {
    width: 100%;
    background: #ffffff;
    color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 0.5rem;
}
.btn-google:hover {
    background: #f1f1f1;
}
.btn-google img {
    width: 18px;
    height: 18px;
}
.social-login-divider {
    text-align: center;
    position: relative;
    margin: 1.5rem 0;
}
.social-login-divider::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: 1px;
    background: var(--border-color);
}
.social-login-divider span {
    background: var(--sidebar-bg);
    padding: 0 10px;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.85rem;
}
.error-text {
    color: #ff4b4b !important;
    margin-top: 1rem;
    margin-bottom: 0 !important;
}