:root {
    --cr-red: #d71920;
    --cr-red-dark: #a80f16;
    --cr-red-soft: #fff1f2;
    --cr-gray-50: #f7f8fa;
    --cr-gray-100: #eef0f3;
    --cr-gray-200: #d9dee3;
    --cr-gray-600: #59636f;
    --cr-gray-800: #252b33;
    --cr-gray-900: #15191f;
    --cr-white: #ffffff;
}

* {
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--cr-gray-50);
    color: var(--cr-gray-900);
}

a {
    text-decoration: none;
}

.app-body {
    display: flex;
    flex-direction: column;
}

.app-main {
    flex: 1;
}

.app-navbar {
    background: linear-gradient(90deg, var(--cr-red), var(--cr-red-dark));
    min-height: 72px;
    box-shadow: 0 10px 25px rgba(95, 13, 19, 0.22);
}

.navbar-brand {
    color: var(--cr-white);
    letter-spacing: -0.02em;
}

.navbar-brand:hover {
    color: var(--cr-white);
}

.navbar-brand small {
    display: block;
    font-size: 0.72rem;
    font-weight: 500;
    opacity: 0.9;
    margin-top: -2px;
}

.brand-mark {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--cr-white);
    color: var(--cr-red);
    border-radius: 14px;
    font-size: 1.35rem;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.14);
}

.app-navbar .nav-link {
    color: rgba(255, 255, 255, 0.86);
    font-weight: 600;
    border-radius: 12px;
    padding: 0.65rem 0.85rem;
    transition: all 0.18s ease;
}

.app-navbar .nav-link:hover,
.app-navbar .nav-link.active {
    color: var(--cr-white);
    background: rgba(255, 255, 255, 0.16);
}

.btn-user {
    background: rgba(255, 255, 255, 0.15);
    color: var(--cr-white);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 14px;
    font-weight: 600;
}

.btn-user:hover {
    color: var(--cr-white);
    background: rgba(255, 255, 255, 0.23);
}

.app-footer {
    background: var(--cr-gray-900);
    color: rgba(255, 255, 255, 0.82);
    padding: 1rem 0;
    font-size: 0.92rem;
}

.page-header {
    background: var(--cr-white);
    border: 1px solid var(--cr-gray-200);
    border-radius: 22px;
    padding: 1.4rem 1.5rem;
    box-shadow: 0 12px 30px rgba(21, 25, 31, 0.06);
    margin-bottom: 1.5rem;
}

.page-eyebrow {
    color: var(--cr-red);
    font-size: 0.78rem;
    text-transform: uppercase;
    font-weight: 800;
    letter-spacing: 0.08em;
    margin-bottom: 0.25rem;
}

.page-title {
    margin: 0;
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--cr-gray-900);
    letter-spacing: -0.03em;
}

.page-subtitle {
    margin: 0.35rem 0 0;
    color: var(--cr-gray-600);
}

.stat-card {
    background: var(--cr-white);
    border: 1px solid var(--cr-gray-200);
    border-radius: 22px;
    padding: 1.25rem;
    box-shadow: 0 12px 28px rgba(21, 25, 31, 0.06);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: "";
    position: absolute;
    right: -38px;
    top: -38px;
    width: 110px;
    height: 110px;
    border-radius: 999px;
    background: var(--cr-red-soft);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--cr-red-soft);
    color: var(--cr-red);
    font-size: 1.3rem;
    position: relative;
    z-index: 1;
}

.stat-label {
    color: var(--cr-gray-600);
    font-weight: 700;
    font-size: 0.88rem;
    margin-top: 1rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 850;
    color: var(--cr-gray-900);
    letter-spacing: -0.05em;
    line-height: 1;
}

.panel-card {
    background: var(--cr-white);
    border: 1px solid var(--cr-gray-200);
    border-radius: 22px;
    box-shadow: 0 12px 28px rgba(21, 25, 31, 0.06);
    overflow: visible;
}

.panel-card-header {
    padding: 1.1rem 1.25rem;
    border-bottom: 1px solid var(--cr-gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.panel-card-title {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 800;
}

.table {
    margin-bottom: 0;
}

.table thead th {
    background: var(--cr-gray-50);
    color: var(--cr-gray-600);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-bottom: 1px solid var(--cr-gray-200);
}

.badge-soft-red {
    background: var(--cr-red-soft);
    color: var(--cr-red-dark);
    border: 1px solid #ffd2d5;
}

.btn-cr-primary {
    background: var(--cr-red);
    border-color: var(--cr-red);
    color: var(--cr-white);
    font-weight: 700;
    border-radius: 14px;
    padding: 0.7rem 1rem;
}

.btn-cr-primary:hover {
    background: var(--cr-red-dark);
    border-color: var(--cr-red-dark);
    color: var(--cr-white);
}

.btn-cr-outline {
    background: var(--cr-white);
    border: 1px solid var(--cr-gray-200);
    color: var(--cr-gray-800);
    font-weight: 700;
    border-radius: 14px;
    padding: 0.7rem 1rem;
}

.btn-cr-outline:hover {
    border-color: var(--cr-red);
    color: var(--cr-red);
}

.auth-page {
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(215, 25, 32, 0.10), transparent 28%),
        linear-gradient(135deg, #ffffff 0%, #f4f6f8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.auth-card {
    width: 100%;
    max-width: 450px;
    background: var(--cr-white);
    border-radius: 28px;
    border: 1px solid var(--cr-gray-200);
    box-shadow: 0 25px 60px rgba(21, 25, 31, 0.13);
    padding: 2rem;
}

.auth-logo {
    width: 56px;
    height: 56px;
    border-radius: 18px;
    background: var(--cr-red);
    color: var(--cr-white);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    box-shadow: 0 14px 32px rgba(215, 25, 32, 0.25);
}

.auth-title {
    font-weight: 850;
    letter-spacing: -0.04em;
    margin-top: 1.2rem;
    margin-bottom: 0.3rem;
}

.auth-subtitle {
    color: var(--cr-gray-600);
    margin-bottom: 1.5rem;
}

.form-label {
    font-weight: 700;
    color: var(--cr-gray-800);
}

.form-control,
.form-select {
    border-radius: 14px;
    border-color: var(--cr-gray-200);
    padding: 0.75rem 0.9rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--cr-red);
    box-shadow: 0 0 0 0.2rem rgba(215, 25, 32, 0.12);
}

.alert {
    border-radius: 16px;
}

.empty-state {
    padding: 2rem;
    text-align: center;
    color: var(--cr-gray-600);
}

.empty-state i {
    font-size: 2rem;
    color: var(--cr-red);
    margin-bottom: 0.7rem;
}

.file-preview-wrap {
    position: relative;
    display: inline-block;
    margin: 0.15rem 0.2rem 0.15rem 0;
}

.file-preview-trigger {
    cursor: pointer;
    border-radius: 999px;
    padding: 0.45rem 0.65rem;
}

.file-preview-box {
    position: absolute;
    left: 50%;
    bottom: calc(100% + 10px);
    transform: translateX(-50%) translateY(6px);
    width: 190px;
    min-height: 120px;
    background: #ffffff;
    border: 1px solid var(--cr-gray-200);
    border-radius: 18px;
    box-shadow: 0 18px 45px rgba(21, 25, 31, 0.18);
    padding: 0.55rem;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    z-index: 50;
    transition: all 0.16s ease;
}

.file-preview-box::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -7px;
    transform: translateX(-50%) rotate(45deg);
    width: 14px;
    height: 14px;
    background: #ffffff;
    border-right: 1px solid var(--cr-gray-200);
    border-bottom: 1px solid var(--cr-gray-200);
}

.file-preview-wrap:hover .file-preview-box,
.file-preview-wrap:focus-within .file-preview-box {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.file-preview-box img {
    width: 100%;
    height: 130px;
    object-fit: cover;
    border-radius: 14px;
    display: block;
}

.file-preview-loading,
.file-preview-error {
    min-height: 130px;
    border-radius: 14px;
    background: var(--cr-gray-50);
    color: var(--cr-gray-600);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    text-align: center;
    font-size: 0.85rem;
}

.file-preview-error {
    color: var(--cr-red-dark);
    background: var(--cr-red-soft);
}

.file-preview-pdf {
    min-height: 130px;
    border-radius: 14px;
    background: var(--cr-red-soft);
    color: var(--cr-red-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    text-align: center;
    padding: 0.8rem;
}

.file-preview-pdf i {
    font-size: 2rem;
}

.file-preview-pdf small {
    color: var(--cr-gray-600);
    font-size: 0.75rem;
}

@media (max-width: 991px) {
    .app-navbar .navbar-nav {
        margin-left: 0 !important;
        margin-top: 1rem;
    }

    .btn-user {
        margin-top: 0.8rem;
        width: 100%;
    }

    .panel-card-header {
        flex-direction: column;
        align-items: stretch;
    }
}