:root {
    --primary: #24364b;
    --primary-hover: #182637;
    --accent: #9b1c31;

    --background: #f5f6f8;
    --surface: #ffffff;
    --surface-secondary: #f9fafb;

    --text: #1f2937;
    --text-muted: #667085;

    --border: #e2e5e9;

    --success: #18794e;
    --success-background: #eaf7f0;

    --warning: #a15c00;
    --warning-background: #fff4df;

    --danger: #b42318;
    --danger-background: #fef0f0;

    --radius: 8px;
    --shadow: 0 1px 3px rgba(16, 24, 40, 0.08);
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: Arial, Helvetica, sans-serif;
    background: var(--background);
    color: var(--text);
    line-height: 1.5;
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.container {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}


/* HEADER */

.site-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    min-height: 86px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 18px;
    color: var(--text);
    text-decoration: none;
}

.brand:hover {
    text-decoration: none;
}

.unine-logo {
    width: 150px;
    height: auto;
    display: block;
}

.brand-divider {
    width: 1px;
    height: 38px;
    background: var(--border);
}

.brand-app-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.language-form {
    margin: 0;
}

.language-button {
    min-width: 44px;
    padding-left: 10px;
    padding-right: 10px;
}


/* PAGE */

.main-content {
    padding-top: 36px;
    padding-bottom: 60px;
}

.page-header {
    margin-bottom: 28px;
}

.page-header h1 {
    margin: 0 0 6px;
    font-size: 30px;
    line-height: 1.2;
}

.page-header p {
    margin: 0;
    color: var(--text-muted);
}


/* CARDS */

.card {
    margin-bottom: 20px;
    padding: 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.card h2,
.card h3 {
    margin-top: 0;
}


/* BUTTONS */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 8px 16px;
    border: 1px solid transparent;
    border-radius: 6px;
    background: none;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
}

.btn:hover {
    text-decoration: none;
}

.btn-primary {
    color: white;
    background: var(--primary);
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-secondary {
    color: var(--text);
    background: var(--surface);
    border-color: var(--border);
}

.btn-secondary:hover {
    background: var(--surface-secondary);
}

.btn-danger {
    color: white;
    background: var(--danger);
    border-color: var(--danger);
}

.btn-success {
    color: white;
    background: var(--success);
    border-color: var(--success);
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}


/* FORMS */

input,
select,
textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #cfd4dc;
    border-radius: 6px;
    background: white;
    color: var(--text);
    font: inherit;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(36, 54, 75, 0.1);
}

input[type="checkbox"],
input[type="radio"] {
    width: auto;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

form p {
    margin: 0 0 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    margin-bottom: 7px;
}

.errorlist {
    margin: 5px 0;
    padding: 0;
    list-style: none;
    color: var(--danger);
    font-size: 14px;
}

.form-error {
    margin-bottom: 18px;
    padding: 10px 12px;
    background: var(--danger-background);
    color: var(--danger);
    border: 1px solid #f4c7c3;
    border-radius: 6px;
}


/* MESSAGES */

.message {
    margin-bottom: 20px;
    padding: 12px 16px;
    border-radius: 6px;
}

.message-success {
    background: var(--success-background);
    border: 1px solid #b7e0c9;
    color: var(--success);
}

.message-error {
    background: var(--danger-background);
    border: 1px solid #f4c7c3;
    color: var(--danger);
}

.message-warning {
    background: var(--warning-background);
    border: 1px solid #f0d59e;
    color: var(--warning);
}

.message-info {
    background: #eef4ff;
    border: 1px solid #c9d8f2;
    color: #315b96;
}

/* STATUS */

.status {
    display: inline-block;
    padding: 4px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
}

.status-pending {
    color: var(--warning);
    background: var(--warning-background);
}

.status-approved {
    color: var(--success);
    background: var(--success-background);
}

.status-rejected {
    color: var(--danger);
    background: var(--danger-background);
}

.status-draft {
    color: var(--text-muted);
    background: #eef0f2;
}


/* GENERIC COURSE/CONTENT BLOCKS */

.course {
    margin-bottom: 10px;
    padding: 14px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 7px;
}

.course-info {
    margin-top: 6px;
    color: var(--text-muted);
    font-size: 14px;
}

.custom-course {
    margin: 12px 0;
    padding: 18px;
    background: var(--surface-secondary);
    border: 1px solid var(--border);
    border-radius: 7px;
}

.section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin: 32px 0 14px;
}

.section-title h2 {
    margin: 0;
}

.empty-state {
    padding: 32px;
    background: var(--surface);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    color: var(--text-muted);
    text-align: center;
}


/* TABLES */

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

th,
td {
    padding: 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

th {
    background: var(--surface-secondary);
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 600;
}


/* RESPONSIVE GLOBAL */

@media (max-width: 700px) {
    .container {
        width: min(100% - 24px, 1180px);
    }

    .header-inner {
        align-items: flex-start;
        flex-direction: column;
        padding: 14px 0;
    }

    .header-actions {
        width: 100%;
        justify-content: space-between;
    }

    .brand-divider,
    .brand-app-name {
        display: none;
    }

    .unine-logo {
        width: 130px;
    }

    .main-content {
        padding-top: 24px;
    }

    .page-header h1 {
        font-size: 25px;
    }

    .card {
        padding: 18px;
    }
}