/* IFSC Code Finder - Main CSS */

:root {
    --primary-color: #0066cc;
    --secondary-color: #e8f2ff;
    --text-color: #333;
    --border-color: #ddd;
    --light-bg: #f8f9fa;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
}

.navbar {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.navbar-brand {
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

.hero-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f2ff 100%);
    padding: 60px 0;
}

.hero-section h1 {
    color: var(--primary-color);
    font-weight: 700;
}

.card {
    border: none;
    border-radius: 10px;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    border-radius: 6px;
    font-weight: 500;
}

.btn-primary:hover {
    background-color: #0052a3;
    border-color: #0052a3;
}

.form-control, .form-select {
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 102, 204, 0.25);
}

.nav-tabs {
    border-bottom: 2px solid var(--border-color);
}

.nav-tabs .nav-link {
    color: #666;
    border: none;
    border-bottom: 3px solid transparent;
    font-weight: 500;
}

.nav-tabs .nav-link:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.nav-tabs .nav-link.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background-color: transparent;
}

.card-title {
    color: var(--primary-color);
    font-weight: 600;
}

.text-primary {
    color: var(--primary-color) !important;
}

.alert-warning {
    background-color: #fff3cd;
    border-color: #ffc107;
    color: #856404;
}

footer {
    background-color: var(--light-bg);
    margin-top: 50px;
}

footer a {
    color: var(--primary-color);
    transition: color 0.3s ease;
}

footer a:hover {
    color: #0052a3;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .display-5 {
        font-size: 2rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .container {
        padding: 0 15px;
    }
}

/* Table styling for results */
.table-hover tbody tr:hover {
    background-color: var(--secondary-color);
}

.table th {
    background-color: var(--light-bg);
    color: var(--primary-color);
    font-weight: 600;
    border-bottom: 2px solid var(--primary-color);
}

/* Loading animation */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Form label styling */
.form-label {
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

/* Shadow utilities */
.shadow-sm {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1) !important;
}

.shadow {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
}

/* Searchable Select Custom Dropdown (Zero CLS & Exact Match) */
.searchable-select-wrapper {
    position: relative;
    width: 100%;
}
.searchable-select-wrapper.is-disabled .searchable-select-trigger,
.searchable-select-trigger:disabled {
    background-color: #f1f5f9;
    color: #94a3b8;
    cursor: not-allowed;
    border-color: #e2e8f0;
}
.searchable-select-trigger {
    width: 100%;
    height: 50px;
    border-radius: 10px;
    border: 1.5px solid #cbd5e1;
    padding: 10px 14px;
    font-size: 0.95rem;
    font-weight: 500;
    color: #1e293b;
    background-color: #f8fafc;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
    cursor: pointer;
    transition: all 0.25s ease;
    user-select: none;
}
.searchable-select-trigger:focus,
.searchable-select-wrapper.is-open .searchable-select-trigger {
    background-color: #ffffff;
    border-color: #0066cc;
    box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.12);
    outline: none;
}
.searchable-select-label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding-right: 8px;
    color: #1e293b;
    font-size: 0.95rem;
}
.searchable-select-label.is-placeholder {
    color: #64748b;
}
.searchable-select-arrow {
    font-size: 0.8rem;
    color: #64748b;
    transition: transform 0.2s ease;
    flex-shrink: 0;
}
.searchable-select-wrapper.is-open .searchable-select-arrow {
    transform: rotate(180deg);
    color: #0066cc;
}
.searchable-select-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    z-index: 1060;
    background: #ffffff;
    border: 1.5px solid #0066cc;
    border-radius: 12px;
    box-shadow: 0 12px 28px -6px rgba(10, 37, 64, 0.2), 0 4px 10px rgba(0, 0, 0, 0.06);
    display: none;
    overflow: hidden;
    animation: searchableFadeIn 0.15s ease-out;
}
.searchable-select-wrapper.is-open {
    z-index: 1060;
}
@keyframes searchableFadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}
.searchable-select-wrapper.is-open .searchable-select-dropdown {
    display: block;
}
.searchable-select-search-box {
    position: relative;
    padding: 10px;
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
}
.searchable-search-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: #0066cc;
    font-size: 0.9rem;
    pointer-events: none;
}
.searchable-select-input {
    width: 100%;
    height: 38px;
    padding: 6px 30px 6px 34px;
    font-size: 0.9rem;
    border: 1.5px solid #cbd5e1;
    border-radius: 8px;
    background: #ffffff;
    color: #1e293b;
    outline: none;
    transition: border-color 0.2s;
}
.searchable-select-input:focus {
    border-color: #0066cc;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.15);
}
.searchable-clear-btn {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 1.2rem;
    line-height: 1;
    color: #94a3b8;
    cursor: pointer;
    padding: 0;
}
.searchable-clear-btn:hover {
    color: #ef4444;
}
.searchable-select-options {
    list-style: none;
    margin: 0;
    padding: 4px 0;
    max-height: 250px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}
.searchable-select-option {
    padding: 10px 14px;
    font-size: 0.92rem;
    color: #334155;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background-color 0.15s;
    user-select: none;
}
.searchable-select-option:hover,
.searchable-select-option.is-highlighted {
    background-color: #eff6ff;
    color: #0066cc;
    font-weight: 600;
}
.searchable-select-option.is-selected {
    background-color: #e0f2fe;
    color: #0066cc;
    font-weight: 700;
}
.searchable-no-results {
    padding: 16px 14px;
    text-align: center;
    color: #64748b;
    font-size: 0.88rem;
    font-style: italic;
}

@media (max-width: 768px) {
    .searchable-select-trigger {
        height: 44px;
        font-size: 0.88rem;
        padding: 6px 10px;
    }
    .searchable-select-label {
        font-size: 0.88rem;
    }
    .searchable-select-options {
        max-height: 220px;
    }
    .searchable-select-option {
        padding: 9px 12px;
        font-size: 0.88rem;
    }
}