:root {
    --green-dark: #0D7A6B;
    --green-light: #00C9A7;
    --gold: #F59E0B;
    --bg: #F0FDFA;
    --text: #13322F;
    --white: #ffffff;
    --danger: #d64545;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--text);
}

.container {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.page {
    padding: 24px 0 40px;
}

.topbar {
    background: var(--green-dark);
    color: var(--white);
    padding: 14px 0;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.topbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.brand {
    color: var(--white);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 700;
}

.nav {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.nav a {
    color: var(--white);
    text-decoration: none;
}

.card {
    background: var(--white);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(13, 122, 107, 0.08);
    margin-bottom: 18px;
}

.hero {
    background: linear-gradient(135deg, var(--green-dark), var(--green-light));
    color: var(--white);
}

.tag {
    display: inline-block;
    background: rgba(245, 158, 11, 0.16);
    color: var(--gold);
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 0.85rem;
    margin-bottom: 12px;
}

.grid {
    display: grid;
    gap: 16px;
}

.two-col {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.three-col {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.cards-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.course-card,
.bordered {
    border: 1px solid #d9f4ef;
    border-radius: 14px;
    padding: 16px;
}

.stat-card strong {
    display: block;
    font-size: 2rem;
    color: var(--green-dark);
}

.auth-wrap {
    display: flex;
    justify-content: center;
    padding: 24px 0;
}

.auth-card {
    width: min(480px, 100%);
}

label {
    display: block;
    margin: 12px 0 6px;
    font-weight: 600;
}

input,
select,
textarea,
button {
    width: 100%;
    border-radius: 10px;
    border: 1px solid #bfe7de;
    padding: 11px 12px;
    font-size: 1rem;
}

.filters {
    display: grid;
    grid-template-columns: 2fr 1fr auto;
    gap: 12px;
}

.btn {
    display: inline-block;
    width: auto;
    background: var(--green-dark);
    color: var(--white);
    text-decoration: none;
    border: none;
    cursor: pointer;
    padding: 10px 14px;
}

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

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

.btn-sm {
    padding: 8px 12px;
    font-size: 0.92rem;
}

.actions-row {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.inline-form {
    display: inline-block;
}

.inline-form button {
    width: auto;
}

.alert {
    padding: 12px 14px;
    border-radius: 12px;
    margin-bottom: 16px;
}

.alert.success {
    background: #dff7ef;
    color: #0b5e52;
}

.alert.error {
    background: #fde7e7;
    color: #8c2727;
}

.progress {
    width: 100%;
    background: #e7f7f3;
    border-radius: 999px;
    height: 10px;
    overflow: hidden;
    margin: 10px 0 6px;
}

.progress span {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--green-dark), var(--green-light));
}

.table-wrap {
    overflow-x: auto;
}

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

th,
td {
    text-align: left;
    border-bottom: 1px solid #e5f3ef;
    padding: 10px 8px;
}

.section-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.module-box,
.question-box {
    border: 1px solid #e3f3ef;
    border-radius: 12px;
    padding: 12px;
    margin: 12px 0;
}

.radio-option {
    display: block;
    margin: 8px 0;
    font-weight: normal;
}

.radio-option input {
    width: auto;
    margin-right: 8px;
}

.hint {
    margin-top: 16px;
    padding: 12px;
    background: #f7faf9;
    border-radius: 10px;
}

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

    .topbar-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}