/* =========================================
   TEMA VISUAL INFO LOMBA KSE (FINAL)
   Warna: Biru Tua (KSE), Emas (Prestasi), Putih (Bersih)
   ========================================= */

/* 1. VARIABEL & RESET */
:root {
    /* Palet Warna KSE */
    --kse-blue: #003366;       /* Biru Tua KSE */
    --kse-blue-dark: #002244;  /* Biru Lebih Gelap (Hover) */
    --kse-gold: #fbbf24;       /* Kuning Emas (Aksen) */
    --kse-gold-dark: #d97706;  /* Emas Gelap (Teks) */
    
    /* Warna Interface */
    --bg-page: #f8fafc;        /* Background Halaman (Abu sangat muda) */
    --bg-card: #ffffff;        /* Background Kartu */
    --text-main: #1e293b;      /* Teks Utama (Hampir Hitam) */
    --text-muted: #64748b;     /* Teks Sekunder (Abu-abu) */
    --border: #e2e8f0;         /* Garis Batas */
    
    /* Efek Visual */
    --shadow-soft: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --radius: 16px;            /* Sudut melengkung */
}

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

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-page);
    color: var(--text-main);
    line-height: 1.6;
}

/* 2. HEADER (NAVIGASI ATAS) */
.main-header {
    background: linear-gradient(135deg, var(--kse-blue) 0%, var(--kse-blue-dark) 100%);
    color: white;
    padding: 2.5rem 0;
    position: relative;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    text-align: center;
}

.header-logo {
    height: 70px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

.brand {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 0.2rem;
    letter-spacing: -0.5px;
}

.tagline {
    font-size: 1rem;
    color: var(--kse-gold);
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

/* 3. FILTER & PENCARIAN (STICKY) */
.filter-section {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.filter-container {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

/* Kotak Pencarian */
.search-box {
    position: relative;
    flex: 1;
    min-width: 280px;
    max-width: 500px;
}

.search-box i {
    position: absolute;
    left: 1.2rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--kse-blue);
}

.search-box input {
    width: 100%;
    padding: 0.8rem 1rem 0.8rem 3rem;
    border: 2px solid var(--border);
    border-radius: 50px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.search-box input:focus {
    outline: none;
    border-color: var(--kse-blue);
    box-shadow: 0 0 0 4px rgba(0, 51, 102, 0.1);
}

/* Tombol Filter */
.filter-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-btn {
    padding: 0.6rem 1.2rem;
    border: 1px solid var(--border);
    background: white;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: all 0.2s ease;
}

.filter-btn:hover {
    border-color: var(--kse-blue);
    color: var(--kse-blue);
}

.filter-btn.active {
    background: var(--kse-blue);
    color: white;
    border-color: var(--kse-blue);
}

/* 4. CONTAINER KARTU LOMBA */
.main-content {
    padding: 2rem 0;
    min-height: 60vh;
}

.lomba-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

/* 5. KARTU LOMBA (CARD) */
.lomba-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.lomba-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--kse-blue);
}

/* Aksen garis emas/biru di atas kartu */
.lomba-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 6px;
    background: linear-gradient(to right, var(--kse-blue), var(--kse-gold));
}

.card-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Header Kartu (Status) */
.card-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    margin-top: 0.5rem;
}

.status-badge {
    padding: 0.3rem 0.8rem;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.status-badge.open { background: #dcfce7; color: #15803d; } /* Hijau */
.status-badge.coming { background: #fef3c7; color: #b45309; } /* Oranye */
.status-badge.closed { background: #f1f5f9; color: #64748b; } /* Abu */

.urgency-badge {
    font-size: 0.75rem; font-weight: 700;
    padding: 0.3rem 0.6rem; border-radius: 8px; margin-left: 0.5rem;
}
.urgent-critical { background: #ef4444; color: white; animation: pulse 1.5s infinite; }
.urgent { background: #f97316; color: white; }
.hot { background: var(--kse-gold); color: #000; }

@keyframes pulse { 0% { opacity: 1; } 50% { opacity: 0.7; } 100% { opacity: 1; } }

/* Judul & Info Dasar */
.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.4;
    color: var(--kse-blue);
}

.basic-info {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.2rem;
}

.basic-info span {
    background: #f1f5f9;
    color: var(--text-muted);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid var(--border);
}

/* Detail Lomba */
.organizer, .prize, .fee {
    font-size: 0.9rem;
    margin-bottom: 0.6rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}
.organizer i, .prize i, .fee i { color: var(--kse-blue); width: 16px; text-align: center; }

/* Deadline Box */
.deadline {
    margin-top: auto;
    background: #fffbeb; /* Kuning sangat muda */
    border: 1px solid #fcd34d;
    color: #92400e;
    padding: 0.8rem;
    border-radius: 8px;
    font-size: 0.9rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.2rem;
}

/* Tombol Aksi */
.card-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
}

.btn-primary {
    background: var(--kse-blue);
    color: white;
    padding: 0.75rem;
    border-radius: 10px;
    text-align: center;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    transition: 0.2s;
}
.btn-primary:hover { background: var(--kse-blue-dark); }

.btn-secondary {
    background: white;
    color: var(--kse-blue);
    padding: 0.75rem;
    border-radius: 10px;
    text-align: center;
    font-weight: 600;
    font-size: 0.9rem;
    border: 2px solid var(--kse-blue);
    cursor: pointer;
    transition: 0.2s;
}
.btn-secondary:hover { background: #f0f9ff; }
.btn-primary:disabled { background: #cbd5e1; cursor: not-allowed; }

/* 6. MODAL (POPUP DETAIL) */
.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.75);
    display: flex; justify-content: center; align-items: center;
    z-index: 1000;
}

.modal-content {
    background: white;
    width: 90%; max-width: 600px; max-height: 85vh;
    border-radius: 20px;
    padding: 2.5rem;
    position: relative;
    overflow-y: auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.modal-title { color: var(--kse-blue); font-weight: 800; margin-bottom: 1.5rem; font-size: 1.8rem; }
.modal-close-btn {
    position: absolute; top: 1.5rem; right: 1.5rem; font-size: 2rem;
    background: none; border: none; color: #94a3b8; cursor: pointer;
    line-height: 1; transition: 0.2s;
}
.modal-close-btn:hover { color: var(--kse-blue); }

.modal-section {
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 1.5rem;
}
.modal-section:last-child { border: none; }

.modal-section h5 {
    color: var(--kse-blue);
    font-weight: 700;
    margin-bottom: 0.8rem;
    display: flex; align-items: center; gap: 0.5rem;
}

/* 7. FOOTER & UTILITIES */
.main-footer {
    background: var(--kse-blue);
    color: white;
    text-align: center;
    padding: 2.5rem 0;
    margin-top: 4rem;
}
.main-footer p { opacity: 0.9; margin: 0; }

.loading-spinner, .no-results, .empty-state, .error-state {
    text-align: center; padding: 4rem 2rem; color: var(--text-muted);
}
.loading-spinner i, .no-results i, .empty-state i {
    font-size: 3.5rem; margin-bottom: 1rem; opacity: 0.5;
}
.spinner {
    width: 40px; height: 40px;
    border: 4px solid #e2e8f0; border-top-color: var(--kse-blue);
    border-radius: 50%; animation: spin 1s linear infinite; margin: 0 auto 1rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* 8. RESPONSIVE (HP) */
@media (max-width: 768px) {
    .header-content { flex-direction: column; gap: 1rem; }
    .brand { font-size: 1.8rem; }
    .search-box { width: 100%; max-width: none; }
    .filter-container { flex-direction: column; }
    .card-actions { grid-template-columns: 1fr; } /* Tombol jadi atas bawah di HP */
    .modal-content { padding: 1.5rem; }
}
/* ===== FOOTER KHUSUS PKSE UNRI ===== */
.main-footer {
    background: var(--kse-blue-dark);
    color: white;
    text-align: center;
    padding: 3rem 0 2rem;
    margin-top: 4rem;
    border-top: 5px solid var(--kse-gold);
}

.footer-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* Garis pemisah vertikal antara logo Paguyuban dan Kabinet */
.separator {
    width: 2px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
}

.footer-logos img {
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
    transition: transform 0.3s ease;
    opacity: 0.95;
    object-fit: contain; /* Agar gambar tidak gepeng */
}

.footer-logos img:hover {
    transform: scale(1.1);
    opacity: 1;
}

/* Kustomisasi Ukuran agar seimbang */
.logo-paguyuban {
    height: 65px; /* Logo PKSE biasanya agak tinggi */
    width: auto;
}

.logo-kabinet {
    height: 55px; /* Logo kabinet biasanya memanjang, jadi tingginya dikurangi dikit biar proporsional */
    width: auto;
}

.footer-text p { margin: 0.3rem 0; }

.footer-sub {
    font-size: 0.9rem;
    opacity: 0.8;
    line-height: 1.4;
}

.footer-cabinet {
    font-size: 0.85rem;
    color: var(--kse-gold);
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-top: 0.8rem;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: inline-block;
}

/* Responsif untuk HP */
@media (max-width: 480px) {
   /* Mengecilkan Header Biru */
    .main-header {
        padding: 1.5rem 0; /* Lebih tipis */
    }
    
    .header-logo {
        height: 50px; /* Logo diperkecil */
    }
    
    .brand {
        font-size: 1.5rem; /* Judul diperkecil */
    }

    /* Mengecilkan Area Navigasi/Filter */
    .nav-section {
        padding: 1rem 0;
    }
    
    /* Mengecilkan tombol kategori biar muat banyak */
    .tab-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
   
    .footer-logos { gap: 1rem; }
    .logo-paguyuban { height: 50px; }
    .logo-kabinet { height: 40px; }
}

/* ===== UPDATE NAVIGASI KSEUNRIPEDIA ===== */

/* Navigasi & Filter */
.nav-section {
    background: white;
    padding: 1.5rem 0;
    position: relative;
    z-index: 10;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    border-bottom: 1px solid var(--border);
}

.search-container {
    margin-bottom: 1.2rem;
    display: flex;
    justify-content: center;
}

/* Tab Kategori Modern */
.category-tabs {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.tab-btn {
    background: white;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.tab-btn i { font-size: 1.1rem; }

.tab-btn:hover {
    border-color: var(--kse-blue);
    color: var(--kse-blue);
    transform: translateY(-2px);
}

.tab-btn.active {
    background: var(--kse-blue);
    color: white;
    border-color: var(--kse-blue);
    box-shadow: 0 4px 12px rgba(0, 51, 102, 0.2);
}

/* Filter Pill (Status Open/Closed) */
.status-filters {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.filter-pill {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: 0.2s;
}
.filter-pill:hover { color: var(--kse-blue); background: #f1f5f9; }
.filter-pill.active { color: var(--kse-blue); background: #e0f2fe; font-weight: 700; }

/* Tampilan Kartu Baru */
.category-badge {
    background: var(--kse-gold);
    color: #000;
    padding: 0.3rem 0.8rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-row {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}
.info-tag {
    background: #f1f5f9;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.urgency-bar {
    background: #fee2e2;
    color: #b91c1c;
    padding: 0.4rem;
    border-radius: 6px;
    text-align: center;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    border: 1px solid #fecaca;
}