/* ===========================================================
   ระบบแจ้งซ่อม งานอาคารสถานที่ - ธีมเทา-แดง-ดำ
   =========================================================== */
:root {
    --color-black: #1a1a1a;
    --color-dark: #2b2b2b;
    --color-gray: #6c757d;
    --color-gray-light: #f4f5f7;
    --color-gray-border: #e0e0e0;
    --color-red: #b91c1c;
    --color-red-dark: #7f1d1d;
    --color-red-light: #fde8e8;
}

body {
    background-color: var(--color-gray-light);
    color: var(--color-dark);
    font-family: "Segoe UI", "Sarabun", Tahoma, sans-serif;
}

/* Navbar */
.app-navbar {
    background-color: var(--color-black);
    border-bottom: 3px solid var(--color-red);
}
.app-navbar .navbar-brand {
    color: #fff;
}
.app-navbar .nav-link {
    color: rgba(255, 255, 255, 0.85);
}
.app-navbar .nav-link:hover,
.app-navbar .nav-link.active {
    color: var(--color-red-light);
}

/* Cards */
.card {
    border: 1px solid var(--color-gray-border);
    border-radius: 0.6rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}
.card-header {
    background-color: var(--color-black);
    color: #fff;
    border-radius: 0.6rem 0.6rem 0 0 !important;
    font-weight: 600;
}

/* Buttons */
.btn-primary,
.btn-danger {
    background-color: var(--color-red);
    border-color: var(--color-red);
}
.btn-primary:hover,
.btn-danger:hover {
    background-color: var(--color-red-dark);
    border-color: var(--color-red-dark);
}
.btn-dark {
    background-color: var(--color-black);
    border-color: var(--color-black);
}
.btn-outline-primary {
    color: var(--color-red);
    border-color: var(--color-red);
}
.btn-outline-primary:hover {
    background-color: var(--color-red);
    border-color: var(--color-red);
}

/* Status badges */
.badge-status-new {
    background-color: var(--color-gray);
    color: #fff;
}
.badge-status-progress {
    background-color: #b45309;
    color: #fff;
}
.badge-status-done {
    background-color: #15803d;
    color: #fff;
}
.badge-status-cancelled {
    background-color: var(--color-red);
    color: #fff;
}

/* Stat cards (admin dashboard) */
.stat-card {
    border-radius: 0.6rem;
    padding: 1.25rem;
    color: #fff;
    background-color: var(--color-black);
}
.stat-card .stat-number {
    font-size: 2rem;
    font-weight: 700;
}
.stat-card.stat-new { background-color: var(--color-gray); }
.stat-card.stat-progress { background-color: #b45309; }
.stat-card.stat-done { background-color: #15803d; }
.stat-card.stat-cancelled { background-color: var(--color-red); }
.stat-card.stat-total { background-color: var(--color-black); }

/* Login / Register */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-red-dark) 100%);
    padding: 1rem;
}
.auth-card {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: 0.8rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    overflow: hidden;
}
.auth-card .auth-header {
    background-color: var(--color-black);
    color: #fff;
    text-align: center;
    padding: 1.5rem 1rem;
    border-bottom: 4px solid var(--color-red);
}
.auth-card .auth-body {
    padding: 1.5rem;
}

/* Image previews */
.image-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}
.image-preview img {
    width: 90px;
    height: 90px;
    object-fit: cover;
    border-radius: 0.4rem;
    border: 1px solid var(--color-gray-border);
}
.repair-image-thumb {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 0.4rem;
    border: 1px solid var(--color-gray-border);
    cursor: pointer;
}

/* Responsive helpers */
@media (max-width: 576px) {
    .stat-card .stat-number {
        font-size: 1.5rem;
    }
}