/* Variable Warna & Dasar Layout */
:root {
    --bg-main: #f8f9fa;
    --navy-dark: #0a192f;
    --navy-light: #172a45;
    --accent-yellow: #f59e0b;
    --accent-yellow-hover: #d97706;
    --text-main: #111827;
    --text-muted: #6b7280;
    --card-bg: #ffffff;
    --border-color: #e5e7eb;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header & Navbar */
.navbar {
    background-color: var(--navy-dark);
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.brand-logo {
    color: #ffffff;
    font-size: 1.25rem;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 0.5px;
}

.search-bar {
    display: flex;
    gap: 0.5rem;
    flex: 1;
    max-width: 450px;
}

.search-bar input {
    width: 100%;
    padding: 0.6rem 1rem;
    border-radius: 6px;
    border: 1px solid var(--navy-light);
    background-color: #ffffff;
    font-size: 0.9rem;
    outline: none;
}

.btn-primary {
    background-color: var(--accent-yellow);
    color: var(--navy-dark);
    font-weight: 600;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

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

/* Section Header */
.content {
    flex: 1;
    padding-top: 2.5rem;
    padding-bottom: 2.5rem;
}

.section-header {
    margin-bottom: 2rem;
}

.section-header h1 {
    font-size: 1.75rem;
    color: var(--navy-dark);
    margin-bottom: 0.5rem;
}

.section-header p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Grid Folder */
.folder-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.folder-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.folder-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
    border-color: var(--navy-dark);
}

.folder-icon {
    width: 48px;
    height: 48px;
    background-color: var(--navy-dark);
    border-radius: 6px;
    position: relative;
    flex-shrink: 0;
}

/* Bentuk Folder Sederhana dengan CSS */
.folder-icon::before {
    content: "";
    position: absolute;
    top: 6px;
    left: 6px;
    width: 16px;
    height: 4px;
    background-color: var(--accent-yellow);
    border-radius: 2px;
}

.folder-info h3 {
    font-size: 1.05rem;
    color: var(--navy-dark);
    margin-bottom: 0.25rem;
}

.folder-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.3;
}

/* Footer */
.footer {
    background-color: var(--navy-dark);
    color: #ffffff;
    text-align: center;
    padding: 1.25rem 0;
    font-size: 0.85rem;
    border-top: 1px solid var(--navy-light);
    margin-top: auto;
}

/* Responsif untuk layar HP/Mobile */
@media (max-width: 640px) {
    .nav-container {
        flex-direction: column;
        align-items: stretch;
    }

    .search-bar {
        max-width: 100%;
    }

    .folder-grid {
        grid-template-columns: 1fr;
    }
}

/* Modal Overlay & Card */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 25, 47, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 1rem;
}

.modal-content {
    background-color: var(--card-bg);
    width: 100%;
    max-width: 600px;
    border-radius: 8px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.modal-header {
    background-color: var(--navy-dark);
    color: #ffffff;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.15rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: #ffffff;
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
}

.modal-body {
    padding: 1.5rem;
}

.action-buttons {
    margin-bottom: 1.5rem;
}

.document-list-placeholder {
    border: 2px dashed var(--border-color);
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
    border-radius: 6px;
    font-size: 0.9rem;
}