/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-card: #242424;
    --bg-card-hover: #2f2f2f;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --text-muted: #707070;
    --accent: #6366f1;
    --accent-hover: #7c3aed;
    --border: #3a3a3a;
    --success: #10b981;
    --shadow: rgba(0, 0, 0, 0.3);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px 0;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

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

/* Tab container */
.tab-container {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 30px;
}

.tab-button {
    padding: 10px 24px;
    font-size: 0.95rem;
    font-weight: 500;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    border: 2px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    outline: none;
}

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

.tab-button.active {
    background-color: var(--accent);
    color: white;
    border-color: var(--accent);
}

.tab-button:active {
    transform: translateY(1px);
}

/* Search container */
.search-container {
    position: relative;
    max-width: 600px;
    margin: 0 auto 30px;
}

#searchInput {
    width: 100%;
    padding: 16px 50px 16px 20px;
    font-size: 1rem;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border);
    border-radius: 12px;
    outline: none;
    transition: all 0.2s ease;
}

#searchInput:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

#searchInput::placeholder {
    color: var(--text-muted);
}

.search-icon {
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
    pointer-events: none;
    opacity: 0.5;
}

/* Results count */
.results-count {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
    min-height: 22px;
}

/* Symbol grid */
.symbol-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(92px, 1fr));
    gap: 11px;
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .symbol-grid {
        grid-template-columns: repeat(auto-fill, minmax(66px, 1fr));
        gap: 9px;
    }
}

/* Symbol card */
.symbol-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 9px;
    padding: 9px 7px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 86px;
    position: relative;
    overflow: hidden;
}

.symbol-card:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.symbol-card:active {
    transform: translateY(0);
}

.symbol-card.copied {
    background-color: var(--accent);
    border-color: var(--accent);
    animation: pulse 0.3s ease;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.symbol {
    font-size: 2rem;
    margin-bottom: 3px;
    color: var(--text-primary);
    user-select: none;
}

.symbol-name {
    font-size: 0.65rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 2px;
    text-transform: capitalize;
    line-height: 1.2;
}

.symbol-alt-names {
    font-size: 0.55rem;
    color: var(--text-muted);
    margin-top: 1px;
    line-height: 1.2;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}

/* No results */
.no-results {
    text-align: center;
    color: var(--text-secondary);
    padding: 60px 20px;
    font-size: 1.1rem;
}

/* Toast notification */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background-color: var(--success);
    color: white;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
    pointer-events: none;
}

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

/* Responsive design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 0.9rem;
    }

    #searchInput {
        font-size: 0.95rem;
        padding: 14px 45px 14px 16px;
    }

    .symbol {
        font-size: 1.76rem;
    }

    .symbol-card {
        padding: 7px 4px;
        min-height: 73px;
    }

    .symbol-name {
        font-size: 0.66rem;
    }

    .symbol-alt-names {
        font-size: 0.55rem;
    }
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-secondary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border);
}

/* Loading state */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.symbol-card {
    animation: fadeIn 0.3s ease;
}

.symbol-card.hidden {
    display: none;
}

/* Print styles */
@media print {
    body {
        background: white;
        color: black;
    }

    .search-container,
    .toast {
        display: none;
    }
}

/* Writing Styles */
.writing-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    padding: 1rem 0;
}

.style-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.style-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    border-color: var(--accent);
}

.style-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.style-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0.4rem;
    border-radius: 6px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    background-color: var(--bg-card-hover);
    color: var(--accent);
}

.input-wrapper input {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(100, 108, 255, 0.1);
}

.output-preview {
    min-height: 1.5rem;
    font-size: 1.25rem;
    color: var(--text-primary);
    word-break: break-all;
    padding: 0.5rem;
    background-color: rgba(255, 255, 255, 0.03);
    border-radius: 6px;
}

.hidden {
    display: none !important;
}