/* =============================================
   COSTREE - Subpage Design System
   ============================================= */

:root {
    --primary: #2E7D32;
    --primary-dark: #1B5E20;
    --primary-light: #E8F5E9;
    --copper: #C8956C;
    --bg: #FAFAF7;
    --dark: #1A1A1A;
    --muted: #777;
    --border: #e8e4df;
}

/* [1] Subpage Hero Banner */
.subpage-hero {
    background: linear-gradient(135deg, #2D5A3D 0%, #1a3d27 100%);
    padding: 52px 0 40px;
    color: #fff;
}

.hero-breadcrumb {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.hero-breadcrumb a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.2s;
}

.hero-breadcrumb a:hover {
    color: #fff;
}

.hero-breadcrumb .sep {
    margin: 0 6px;
}

.hero-page-title {
    font-size: 32px;
    font-weight: 800;
    margin: 0;
}

/* [2] Subpage Layout */
.subpage-main {
    background: #FAFAF7;
    padding: 48px 0 80px;
}

.subpage-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 32px;
    align-items: start;
}

/* [3] Sidebar */
.sidebar {
    position: sticky;
    top: 90px;
}

.sidebar-nav {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.sidebar-title {
    font-size: 13px;
    font-weight: 700;
    color: #fff;
    background: var(--primary);
    padding: 14px 20px;
    letter-spacing: 1px;
    margin: 0;
}

.sidebar-menu {
    padding: 8px 0;
    list-style: none;
    margin: 0;
}

.sidebar-menu li a {
    display: block;
    padding: 10px 20px;
    font-size: 13px;
    color: #555;
    border-left: 3px solid transparent;
    transition: all 0.2s;
    text-decoration: none;
}

.sidebar-menu li a:hover,
.sidebar-menu li a.active {
    color: var(--primary);
    border-left-color: var(--primary);
    background: #f0f7f0;
    font-weight: 600;
}

/* [4] Content Area */
.content-area {
    background: #fff;
    border-radius: 12px;
    padding: 36px 40px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.content-title {
    font-size: 22px;
    font-weight: 800;
    color: #1A1A1A;
    margin-bottom: 8px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--primary);
}

.content-subtitle {
    font-size: 15px;
    color: #555;
    margin-bottom: 32px;
}

/* [5] Info Box */
.info-box {
    background: #f0f7f0;
    border-left: 4px solid var(--primary);
    border-radius: 0 8px 8px 0;
    padding: 20px 24px;
    margin: 24px 0;
}

.info-box p {
    margin: 0;
    font-size: 14px;
    line-height: 1.8;
}

/* [6] Table */
.ct-table {
    width: 100%;
    border-collapse: collapse;
}

.ct-table th {
    background: var(--primary);
    color: #fff;
    padding: 12px 16px;
    font-size: 13px;
    text-align: left;
    font-weight: 600;
}

.ct-table td {
    padding: 12px 16px;
    font-size: 13px;
    border-bottom: 1px solid #f0f0f0;
    vertical-align: top;
}

.ct-table tr:hover td {
    background: #f9fdf9;
}

.ct-table tr:nth-child(even) td {
    background: #fafafa;
}

/* [7] Form */
.ct-form .form-group {
    margin-bottom: 20px;
}

.ct-form .form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #333;
    margin-bottom: 6px;
}

.ct-form .form-label .required {
    color: #e53935;
    margin-left: 2px;
}

.ct-form .form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: border 0.2s;
    box-sizing: border-box;
}

.ct-form .form-control:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
}

.ct-form textarea.form-control {
    min-height: 140px;
    resize: vertical;
}

.btn-submit {
    background: var(--primary);
    color: #fff;
    padding: 12px 40px;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.2s;
}

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

.btn-reset {
    background: #fff;
    color: #555;
    border: 1.5px solid #ddd;
    padding: 12px 32px;
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    cursor: pointer;
    margin-left: 8px;
}

/* [8] Timeline */
.timeline {
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #e0e0e0;
}

.timeline-item {
    position: relative;
    padding: 0 0 36px 56px;
}

.timeline-dot {
    position: absolute;
    left: 12px;
    top: 4px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    border: 3px solid #fff;
    box-shadow: 0 0 0 2px var(--primary);
}

.timeline-year {
    font-size: 13px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}

.timeline-content {
    font-size: 14px;
    line-height: 1.8;
    color: #444;
}

/* [9] FAQ Accordion */
.faq-item {
    border: 1px solid #e8e4df;
    border-radius: 8px;
    margin-bottom: 10px;
    overflow: hidden;
}

.faq-question {
    padding: 16px 20px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fff;
    transition: background 0.2s;
}

.faq-question:hover,
.faq-question.open {
    background: #f0f7f0;
    color: var(--primary);
}

.faq-question .q-badge {
    color: var(--primary);
    font-size: 18px;
    font-weight: 800;
    margin-right: 10px;
}

.faq-question .faq-icon {
    transition: transform 0.3s;
}

.faq-question.open .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: #fafdf9;
}

.faq-answer.open {
    max-height: 400px;
}

.faq-answer-inner {
    padding: 16px 20px;
    font-size: 13px;
    line-height: 1.8;
    color: #555;
    border-top: 1px solid #e8e4df;
}

/* [10] Board List */
.board-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid #f0f0f0;
}

.board-num {
    width: 40px;
    text-align: center;
    font-size: 12px;
    color: #aaa;
}

.board-title {
    flex: 1;
    font-size: 14px;
    color: #333;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.board-title a {
    color: inherit;
    text-decoration: none;
}

.board-title a:hover {
    color: var(--primary);
}

.board-badge {
    font-size: 11px;
    background: var(--primary);
    color: #fff;
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 6px;
    flex-shrink: 0;
}

.board-date {
    font-size: 12px;
    color: #aaa;
    flex-shrink: 0;
}

/* [11] Login Card */
.login-card {
    max-width: 440px;
    margin: 0 auto;
    background: #fff;
    border-radius: 16px;
    padding: 48px 40px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-divider {
    text-align: center;
    position: relative;
    margin: 20px 0;
    font-size: 12px;
    color: #aaa;
}

.login-divider::before,
.login-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: #e0e0e0;
}

.login-divider::before {
    left: 0;
}

.login-divider::after {
    right: 0;
}

/* [12] Responsive */
@media (max-width: 900px) {
    .subpage-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
    }

    .content-area {
        padding: 24px 20px;
    }
}

@media (max-width: 480px) {
    .hero-page-title {
        font-size: 24px;
    }

    .content-area {
        padding: 20px 16px;
    }

    .ct-table {
        font-size: 12px;
    }
}