/* Components */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    outline: none;
}

.btn-primary {
    background-color: var(--accent-primary);
    color: #fff;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    box-shadow: var(--shadow-neon);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

/* Forms & Inputs */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

/* Tool Tiles (Calculator Cards) */
.tool-tile {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    position: relative;
    overflow: hidden;
}

.tool-tile:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md), var(--shadow-neon);
}

.tool-tile-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.tool-tile-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.tool-tile-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
    flex-grow: 1;
}

@media (max-width: 768px) {
    .tool-tile {
        padding: 1rem;
    }
    .tool-tile-icon {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
    }
    .tool-tile-title {
        font-size: 1.1rem;
    }
    .tool-tile-desc {
        font-size: 0.85rem;
    }
}

/* Calculator Container (Inner UI) */
.calculator-container {
    background-color: var(--bg-secondary);
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: var(--shadow-sm);
}

.calculator-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.calculator-result {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: color-mix(in srgb, var(--accent-primary) 10%, transparent);
    border: 1px solid var(--accent-primary);
    border-radius: 0.5rem;
    text-align: center;
}

.calculator-result-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin: 0.5rem 0;
}

/* Search Dropdown */
.search-container {
    position: relative;
    width: 100%;
    max-width: 400px;
}

#omni-search {
    width: 100%;
    padding: 0.6rem 1rem 0.6rem 2.5rem;
    border-radius: 2rem;
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color 0.2s;
}

#omni-search:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.search-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 0.5rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-md);
    max-height: 300px;
    overflow-y: auto;
    z-index: 1000;
}

.search-item {
    display: block;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    text-decoration: none;
}

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

.search-item:hover {
    background-color: var(--bg-primary);
    color: var(--accent-primary);
}

/* Loading State */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 0;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 4rem 0;
    background: radial-gradient(circle at top, color-mix(in srgb, var(--accent-primary) 15%, transparent) 0%, transparent 70%);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* Category Section */
.category-section {
    margin-bottom: 4rem;
}

.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}