:root {
    --primary: #007bff;
    --secondary: #f0f0f0;
    --accent: #e3f2fd;
    --text-dark: #222;
    --live-red: #e53935;
    --form-bg: #f7fafd;
    --form-border: #d1e3f8;
    --form-focus: #b3d4fc;
    --shadow: 0 4px 16px rgba(0, 0, 0, 0.07);
}

body {
    font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
    margin: 0;
    background: #f9f9f9;
    color: var(--text-dark);
    letter-spacing: 0.01em;
}

.flight-board-container {
    max-width: 1200px;
    margin: auto;
    padding: 20px;
}

h1 {
    text-align: center;
    font-size: 2.2rem;
    margin: 36px 0 18px;
    font-weight: 700;
    letter-spacing: 0.02em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
}

.live-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--live-red);
    letter-spacing: 0.04em;
}

.live-dot {
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: var(--live-red);
    box-shadow: 0 0 8px 2px #e5393555;
    animation: blink 1s infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.2;
    }
}

.search-panel {
    background: #fff !important;
    border-radius: 14px !important;
    padding: 18px 18px 10px 18px !important;
    margin-bottom: 28px !important;
    box-shadow: var(--shadow) !important;
}

.tabs {
    display: flex !important;
    gap: 10px !important;
    margin-bottom: 18px !important;
    align-items: center !important;
}

.tab {
    padding: 9px 22px !important;
    border: none !important;
    background: #e3e8f0 !important;
    cursor: pointer !important;
    border-radius: 6px 6px 0 0 !important;
    font-weight: 600 !important;
    font-size: 1rem !important;
    color: #555 !important;
    transition: background 0.2s, color 0.2s !important;
    outline: none !important;
    box-shadow: none !important;
    margin: 0 !important;
}

.tab.active {
    background: var(--primary) !important;
    color: #fff !important;
    box-shadow: 0 2px 8px #007bff22 !important;
    z-index: 2 !important;
}

.tab:not(.active):hover {
    background: #dbeafe !important;
    color: var(--primary) !important;
}

.flight-number {
    margin-left: auto !important;
    padding: 8px 12px !important;
    border-radius: 5px !important;
    border: 1.5px solid var(--form-border) !important;
    background: var(--form-bg) !important;
    font-size: 1rem !important;
    min-width: 180px !important;
    transition: border 0.2s !important;
}

.flight-number:focus {
    border: 1.5px solid var(--form-focus) !important;
    outline: none !important;
    background: #fff !important;
}

.filters {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 12px !important;
    margin-bottom: 8px !important;
    align-items: center !important;
    position: relative !important;
}

.filters select,
.filters input[type="date"] {
    padding: 9px 12px !important;
    font-size: 1rem !important;
    border-radius: 5px !important;
    border: 1.5px solid var(--form-border) !important;
    background: var(--form-bg) !important;
    min-width: 120px !important;
    transition: border 0.2s, box-shadow 0.2s !important;
    appearance: none !important;
    outline: none !important;
    box-shadow: none !important;
}

.filters select:focus,
.filters input[type="date"]:focus {
    border: 1.5px solid var(--form-focus) !important;
    background: #fff !important;
    box-shadow: 0 0 0 2px #b3d4fc33 !important;
}

.filters input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(0.3) sepia(1) saturate(5) hue-rotate(180deg) !important;
    cursor: pointer !important;
}

.autocomplete-wrapper {
    position: relative !important;
    display: inline-block !important;
    width: 160px !important;
    vertical-align: top !important;
}

.autocomplete-list {
    position: absolute !important;
    background: #fff !important;
    border: 1.5px solid var(--form-border) !important;
    border-radius: 0 0 7px 7px !important;
    box-shadow: 0 6px 24px #007bff11 !important;
    overflow-y: auto !important;
    width: 100% !important;
    left: 0 !important;
    margin-top: 0px !important;
    font-size: 1rem !important;
    padding: 0 !important;
    list-style: none !important;
    z-index: 1001 !important;
    min-width: 100% !important;
    max-width: 100% !important;
    left: 0 !important;
}

.autocomplete-list li {
    padding: 10px 14px !important;
    cursor: pointer !important;
    transition: background 0.15s !important;
}

.autocomplete-list li:hover,
.autocomplete-list li.active {
    background: var(--primary) !important;
    color: #fff !important;
}

.autocomplete-input {
    padding: 9px 12px !important;
    font-size: 1rem !important;
    border-radius: 5px !important;
    border: 1.5px solid var(--form-border) !important;
    background: var(--form-bg) !important;
    min-width: 120px !important;
    width: 100% !important;
    transition: border 0.2s, box-shadow 0.2s !important;
    outline: none !important;
    box-shadow: none !important;
    box-sizing: border-box !important;
}

.autocomplete-input:focus {
    border: 1.5px solid var(--form-focus) !important;
    background: #fff;
    box-shadow: 0 0 0 2px #b3d4fc33;
}

.search-btn-icon {
    background: var(--primary) !important;
    color: #fff !important;
    border: none !important;
    padding: 10px 28px !important;
    border-radius: 6px !important;
    cursor: pointer !important;
    font-size: 1.08rem !important;
    font-weight: 600 !important;
    box-shadow: 0 2px 8px #007bff22 !important;
    transition: background 0.2s, box-shadow 0.2s, transform 0.1s !important;
    margin-left: 0 !important;
    letter-spacing: 0.01em !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 7px !important;
    width: 15%;
}

.search-btn-icon:hover,
.search-btn-icon:focus {
    background: #0056b3 !important;
    box-shadow: 0 4px 16px #007bff33 !important;
    transform: translateY(-2px) scale(1.03) !important;
    outline: none !important;
}

.search-btn-icon svg {
    display: inline-block !important;
    vertical-align: middle !important;
    margin: 0 !important;
}

.flight-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.flight-table th,
.flight-table td {
    padding: 15px 8px;
    border-bottom: 1px solid #f0f4fa;
    text-align: center;
    font-size: 1rem;
}

.flight-table th {
    background-color: var(--accent);
    font-weight: 700;
    letter-spacing: 0.01em;
}

.flight-table tr:hover {
    background-color: #f3faff;
    transition: background 0.2s;
}

#loading-spinner,
.flight-table,
.mobile-flight-cards {
    opacity: 1;
    transition: opacity 0.2s ease-in-out;
}

.loading .flight-table,
.loading .mobile-flight-cards {
    opacity: 0;
}


.spinner {
    width: 36px;
    height: 36px;
    border: 4px solid #ccc;
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.fsb-form-col-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 12px;
    position: relative;
    /* ✅ Add this */
}



/* --- FLIGHT SEARCH BOARD REFERENCE STYLE --- */
.flight-search-board {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 18px #0001;
    margin-bottom: 32px;
    padding: 0;
}

.fsb-header-row {
    display: flex;
    align-items: flex-start;
    padding: 0;
    flex-wrap: wrap;
}

.fsb-tabs {
    display: flex !important;
    flex: 1 1 0 !important;
    background: transparent !important;
    border-radius: 12px 12px 0 0 !important;
    overflow: visible !important;
    min-width: 0 !important;
    position: relative !important;
    gap: 0 !important;
    padding: 0 !important;
}

.flight-tab-arrivals,
.flight-tab-departures {
    text-decoration: none !important;
    flex: 1 1 0 !important;
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    justify-content: center !important;
    background: #f5f7fa !important;
    border: none !important;
    border-radius: 12px 12px 0 0 !important;
    font-size: 1.08rem !important;
    font-weight: 600 !important;
    color: #1a237e !important;
    padding: 1.1em 0 1em 0 !important;
    cursor: pointer !important;
    transition: background 0.2s, color 0.2s !important;
    position: relative !important;
    display: flex;
    flex: 1 1 0;
    background: transparent;
    border-radius: 12px 12px 0 0;
    overflow: visible;
    min-width: 0;
    position: relative;
    gap: 0;
    padding: 0;
}

.flight-tab {
    flex: 1 1 0;
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
    background: #f5f7fa;
    border: none;
    border-radius: 12px 12px 0 0;
    font-size: 1.08rem;
    font-weight: 600;
    color: #1a237e;
    padding: 1.1em 0 1em 0;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    position: relative;
    min-width: 120px;
    box-shadow: none;
    outline: none;
    margin: 0;
}

.flight-tab.active {
    background: #fff;
    color: #1a237e;
    z-index: 2;
}

.flight-tab:not(.active):hover {
    background: #e8eaf6;
    color: #102a54;
}

.fsb-tab-icon {
    display: flex;
    align-items: center;
    margin-right: 4px;
}

.fsb-tab-icon svg {
    display: block;
    margin: 0;
    vertical-align: middle;
    width: 22px;
    height: 22px;
}

.flight-tab:focus {
    outline: none;
    box-shadow: 0 0 0 2px #b3d4fc55;
}

.fsb-flight-number-box {
    background: #fff;
    box-shadow: 0 2px 12px #0001;
    border-radius: 0 12px 12px 0;
    display: flex;
    align-items: center;
    margin-left: 2vw;
    margin-top: 12px;
    padding: 0 0 0 1vw;
    min-width: 180px;
    height: 56px;
    flex: 0 1 320px;
    max-width: 100%;
}

.fsb-flight-number-input {
    border: 1px solid rgb(187, 186, 186) !important;
    border-radius: 8px !important;
    background: #fff !important;
    font-size: 1.08rem !important;
    padding: 0 0 0 0.5vw;
    min-width: 100px !important;
    height: 40px !important;
    outline: none !important;

    color: #1a237e !important;
    flex: 1 1 0 !important;
}

.fsb-flight-number-input::placeholder {
    color: #1a237e !important;
    opacity: 0.7 !important;
}

.fsb-flight-search-btn {
    background: #75757522 !important;
    border: none !important;
    border-radius: 0 8px 8px 0 !important;
    height: 40px !important;
    width: 48px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    transition: background 0.2s !important;
}

.fsb-flight-search-btn:hover {
    background: #b2ebf2 !important;
}

.fsb-card {
    background: #fff !important;
    border-radius: 0 0 12px 12px !important;
    box-shadow: 0 4px 18px #0001 !important;
    padding: 2.5vw 2vw 2vw 2vw !important;
}

.fsb-form-row {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 20px !important;
    align-items: flex-end !important;
    justify-content: space-between !important;
    padding: 20px !important;
    background: #f8f9fa !important;
    border-radius: 12px !important;
}

.fsb-form-col-group {
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
    flex: 1 1 200px !important;
    min-width: 200px !important;
    max-width: 300px !important;
}

.fsb-form-col-group label {
    font-size: 0.9rem !important;
    color: #555 !important;
    font-weight: 600 !important;
    margin-bottom: 4px !important;
}

.fsb-input {
    width: 100% !important;
    font-size: 1rem !important;
    padding: 12px 16px !important;
    border: 1px solid #ddd !important;
    border-radius: 8px !important;
    background: #fff !important;
    color: #333 !important;
    outline: none !important;
    transition: all 0.2s ease !important;
}

.fsb-input:focus {
    border-color: #1a237e !important;
    box-shadow: 0 0 0 3px rgba(26, 35, 126, 0.1) !important;
}

.fsb-dropdown-arrow,
.fsb-calendar-icon {
    position: absolute !important;
    right: 8px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    pointer-events: none !important;
}

.fsb-calendar-icon svg {
    opacity: 0.7 !important;
}

.fsb-search-btn-col {
    display: flex !important;
    align-items: flex-end !important;
    justify-content: flex-end !important;
    min-width: 120px !important;
    margin-left: auto !important;
}

.fsb-search-btn {
    background: #133c67c0 !important;
    color: #fff !important;
    border: none !important;
    border-radius: 8px !important;
    padding: 14px 32px !important;
    font-size: 1.1em !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    box-shadow: 0 2px 8px rgba(26, 35, 126, 0.2) !important;
    transition: all 0.2s ease !important;
    width: 100%;
    max-width: 180px;
}

.flight-results {
    min-height: 400px;
    /* adjust this based on how much content usually shows */
    transition: opacity 0.25s ease-in-out;
    opacity: 1;


}

.fsb-search-btn:hover {
    background: #283593 !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 12px rgba(26, 35, 126, 0.3) !important;
}

.autocomplete-list {
    position: absolute;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    overflow-y: auto;
    width: 100%;
    max-height: 200px;
    z-index: 1000;
    margin-top: 4px;
}

.autocomplete-list li {
    padding: 12px 16px;
    cursor: pointer;
    transition: background 0.2s;
}

.autocomplete-list li:hover {
    background: #e8eaf6;
    color: #1a237e;
}


/* 🔵 Active tab highlight fix */
.flight-tab-arrivals.active,
.flight-tab-departures.active {
    background: #133c67c0 !important;
    color: #fff !important;
    text-decoration: none;
    box-shadow: 0 4px 12px #007bff33 !important;
}

/* 🔵 Improve form input styling */
.fsb-input {

    padding: 12px 16px !important;
    border: 1.5px solid #ccc !important;
    border-radius: 8px !important;
    font-size: 1rem !important;
    background: #fff !important;
    color: #333 !important;
    transition: border 0.2s ease, box-shadow 0.2s ease !important;
}

.fsb-input:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.2) !important;
    outline: none !important;
}

/* 🔵 Right-align search button inside fsb-form-row */
.fsb-form-row {
    flex-wrap: wrap !important;
    gap: 20px !important;
    align-items: flex-end !important;
    justify-content: flex-start !important;
    padding: 20px !important;
    position: relative !important;
}

.fsb-form-col-group:last-child {
    margin-left: auto !important;
    flex-grow: 0 !important;
}


@media (max-width: 768px) {
    .fsb-header-row {
        flex-direction: column !important;
        gap: 10px !important;
        padding: 12px !important;
    }

    .fsb-tabs {
        flex-direction: row !important;
        justify-content: center !important;
        width: 100% !important;
        gap: 8px !important;
    }

    .flight-tab {
        font-size: 0.9rem !important;
        padding: 0.8em 0 !important;
        min-width: auto !important;
        flex-grow: 1 !important;
    }

    .fsb-flight-number-box {
        width: 100% !important;
        margin: 0 auto !important;
        margin-top: 12px !important;
        border-radius: 12px !important;
        flex: 1 1 auto !important;
    }

    .fsb-form-row {
        padding: 15px !important;
        gap: 15px !important;
    }

    .fsb-form-col-group {
        min-width: 100% !important;
        max-width: 100% !important;
    }

    .fsb-search-btn {
        width: 100% !important;
        max-width: 100% !important;
    }

    .flight-table th,
    .flight-table td {
        font-size: 0.9rem !important;
        padding: 12px 6px !important;
    }

    h1 {
        flex-direction: column !important;
        font-size: 1.5rem !important;
        text-align: center !important;
    }


    .flight-table {
        display: none !important;
    }

    .mobile-flight-cards {
        display: flex !important;
        flex-direction: column !important;
        gap: 16px !important;
    }

    .flight-card {
        background: #e3f2fd !important;
        border-radius: 12px !important;
        padding: 16px !important;
        box-shadow: 0 2px 10px #0001 !important;
        font-size: 0.95rem !important;
    }

    .flight-card div {
        margin-bottom: 6px !important;
        display: flex !important;
        justify-content: space-between !important;
        font-weight: 500 !important;
    }

    .flight-card div span:first-child {
        color: #1a237e !important;
        font-weight: 600 !important;
    }

    .flight-card div span:last-child {
        text-align: right !important;
    }
}

@media (max-width: 768px) {
    .mobile-flight-cards {
        display: flex !important;
    }
}