@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');

:root {
    --bg-dark: #121826;
    --bg-card: rgba(26, 32, 48, 0.8);
    --primary-blue: #3b82f6;
    --accent-yellow: #fbbf24;
    --accent-red: #ef4444;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --input-bg: #1e293b;
    --input-border: #334155;
    --border-radius: 12px;
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html,
body {
    height: 100%;
    overflow-x: hidden;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    background-image: radial-gradient(circle at 50% 0%, #1e293b 0%, var(--bg-dark) 70%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.container {
    width: 100%;
    max-width: 900px;
    padding: 20px;
    margin-top: 40px;
}

/* Header Badge Style */
.badge-header {
    background: transparent;
    border: 1px solid var(--accent-yellow);
    color: var(--accent-yellow);
    padding: 6px 18px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
}

.main-title {
    font-size: 42px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 10px;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: var(--text-secondary);
    text-align: center;
    font-size: 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    margin-bottom: 50px;
}

.subtitle::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-blue), var(--accent-yellow));
    border-radius: 2px;
}

/* Global UI Components */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.btn-primary {
    background: var(--primary-blue);
    color: #fff;
}

.btn-primary:hover {
    filter: brightness(1.2);
    transform: translateY(-1px);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* Enhanced Modal System */
.modal-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: #1e293b;
    width: 100%;
    max-width: 450px;
    padding: 30px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: #fff;
}

/* Table Improvements */
.table-wrapper {
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    background: #0f172a;
    padding: 15px 20px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: left;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--input-border);
}

td {
    padding: 15px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 14px;
}

tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Utility Classes */
.flex {
    display: flex;
}

.justify-between {
    justify-content: space-between;
}

.items-center {
    align-items: center;
}

.mb-20 {
    margin-bottom: 20px;
}

.text-danger {
    color: var(--accent-red);
}

.text-success {
    color: #22c55e;
}

/* Alert System */
.alert {
    padding: 16px;
    border-radius: 10px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    font-weight: 500;
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Dashboard Cards */
.stat-card {
    background: var(--bg-card);
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-blue);
}

.stat-icon {
    font-size: 32px;
    margin-bottom: 15px;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--input-border);
    border-radius: 4px;
}

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

/* Card Glassmorphism */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
    padding: 40px;
    box-sizing: border-box;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 30px;
    color: #fff;
}

.section-title i {
    background: var(--primary-blue);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 16px;
}

/* Grid Layout */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

.form-group {
    margin-bottom: 5px;
}

.form-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.form-label span {
    color: var(--accent-red);
}

.form-label i {
    color: var(--primary-blue);
    font-size: 14px;
}

.form-control {
    width: 100%;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 10px;
    padding: 14px 16px;
    color: #fff;
    font-size: 15px;
    transition: var(--transition);
    box-sizing: border-box;
    appearance: none;
}

.form-control option {
    background-color: #1e293b;
    /* Explicit dark background */
    color: #fff;
    /* White text */
}

select.form-control {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 18px;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
    background-color: #1a2434;
    color: #fff;
}

/* Button & Animations */
.btn-submit {
    grid-column: span 2;
    background: linear-gradient(135deg, var(--primary-blue) 0%, #2563eb 100%);
    color: #fff;
    padding: 16px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 20px;
}

@media (max-width: 768px) {
    .btn-submit {
        grid-column: span 1;
    }
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -10px var(--primary-blue);
    filter: brightness(1.1);
}

.hidden {
    display: none;
}

.animate-fade-in {
    animation: fadeIn 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

/* Footer */
footer {
    margin-top: auto;
    padding: 40px 20px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

footer strong {
    color: var(--primary-blue);
}

.field-locked {
    background-color: rgba(255, 255, 255, 0.03) !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
    color: var(--text-secondary) !important;
    cursor: not-allowed;
    opacity: 0.6;
}

.form-control:read-only {
    background-color: rgba(255, 255, 255, 0.02);
}

/* Countdown Timer Styling */
.countdown-container {
    margin-top: 25px;
    background: rgba(59, 130, 246, 0.05);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 20px;
    padding: 20px;
    width: 100%;
    max-width: 500px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    animation: fadeIn 1s ease;
}

.countdown-label {
    text-transform: uppercase;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--primary-blue);
}

.countdown-timer {
    display: flex;
    gap: 15px;
}

.time-block {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    min-width: 70px;
    padding: 10px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.time-block span {
    font-size: 24px;
    font-weight: 800;
    color: #fff;
    font-variant-numeric: tabular-nums;
}

.time-block small {
    font-size: 10px;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.deadline-display {
    font-size: 13px;
    color: var(--text-secondary);
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
    text-align: center;
}

.deadline-display strong {
    color: var(--accent-yellow);
}

/* Error state for timer */
.countdown-expired .countdown-timer {
    display: none;
}

.countdown-expired .countdown-label {
    color: var(--accent-red);
    font-size: 20px;
}

.countdown-expired .deadline-display {
    border: none;
    color: var(--accent-red);
}