@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600&family=DM+Mono:wght@400;500&display=swap');

:root {
    --bg: #f4f3ef;
    --surface: #ffffff;
    --surface-2: #eeede8;
    --border: #dddbd3;
    --text: #1c1c1a;
    --text-secondary: #6b6960;
    --accent: #4a5c3f;
    --accent-hover: #3a4a31;
    --accent-light: #e8ede5;
    --danger: #8b3a3a;
    --danger-light: #f5e8e8;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
    --radius: 8px;
    --radius-lg: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* LOGIN */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: var(--bg);
}

.login-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    width: 100%;
    max-width: 380px;
    box-shadow: var(--shadow-md);
}

.login-logo {
    margin-bottom: 36px;
    text-align: center;
}

.login-logo .brand {
    font-family: 'DM Mono', monospace;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 3px;
    color: var(--accent);
    text-transform: uppercase;
}

.login-logo .app-name {
    font-size: 22px;
    font-weight: 600;
    color: var(--text);
    margin-top: 6px;
    letter-spacing: -0.3px;
}

.login-logo .divider {
    width: 32px;
    height: 2px;
    background: var(--accent);
    margin: 14px auto 0;
    border-radius: 2px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.form-group input {
    width: 100%;
    padding: 11px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-size: 15px;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-group input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(74,92,63,0.1);
    background: var(--surface);
}

.btn-primary {
    width: 100%;
    padding: 12px;
    background: var(--accent);
    border: none;
    border-radius: var(--radius);
    color: #fff;
    font-family: 'DM Sans', sans-serif;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.3px;
    cursor: pointer;
    transition: background 0.15s, transform 0.1s;
    margin-top: 8px;
}

.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:active { transform: scale(0.99); }
.btn-primary:disabled { background: var(--border); color: var(--text-secondary); cursor: not-allowed; transform: none; }

.error-msg {
    background: var(--danger-light);
    border: 1px solid #d4a0a0;
    color: var(--danger);
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: 13px;
    margin-bottom: 18px;
    display: none;
}

/* DASHBOARD LAYOUT */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 240px;
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
}

.sidebar-header {
    padding: 24px 20px 20px;
    border-bottom: 1px solid var(--border);
}

.sidebar-brand {
    font-family: 'DM Mono', monospace;
    font-size: 11px;
    letter-spacing: 2.5px;
    color: var(--accent);
    text-transform: uppercase;
    font-weight: 500;
}

.sidebar-appname {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin-top: 3px;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 0;
    overflow-y: auto;
}

.nav-section-label {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-secondary);
    padding: 12px 20px 6px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 20px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 400;
    cursor: pointer;
    transition: background 0.1s, color 0.1s;
    border-left: 2px solid transparent;
    text-decoration: none;
}

.nav-item:hover {
    background: var(--accent-light);
    color: var(--accent);
}

.nav-item.active {
    background: var(--accent-light);
    color: var(--accent);
    border-left-color: var(--accent);
    font-weight: 500;
}

.nav-item svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    opacity: 0.7;
}

.nav-item.active svg, .nav-item:hover svg { opacity: 1; }

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    flex-shrink: 0;
}

.user-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: capitalize;
}

.btn-logout {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 4px;
    border-radius: 4px;
    transition: color 0.1s;
    margin-left: auto;
    flex-shrink: 0;
}

.btn-logout:hover { color: var(--danger); }

/* MAIN CONTENT */
.main-content {
    margin-left: 240px;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.topbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0 28px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
}

.page-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
}

.content-area {
    padding: 28px;
    flex: 1;
}

/* CARDS */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

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

.stat-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 28px;
    font-weight: 600;
    color: var(--text);
    font-family: 'DM Mono', monospace;
}

.stat-sub {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* TABLES */
.table-wrap { overflow-x: auto; }

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

thead th {
    text-align: left;
    padding: 10px 16px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}

tbody tr {
    border-bottom: 1px solid var(--surface-2);
    transition: background 0.1s;
}

tbody tr:hover { background: var(--accent-light); }
tbody tr:last-child { border-bottom: none; }

td {
    padding: 12px 16px;
    color: var(--text);
}

/* BADGES */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 500;
}

.badge-green { background: var(--accent-light); color: var(--accent); }
.badge-gray { background: var(--surface-2); color: var(--text-secondary); }
.badge-red { background: var(--danger-light); color: var(--danger); }

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-family: 'DM Sans', sans-serif;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    border: none;
    text-decoration: none;
}

.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-hover); }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-light); }

/* FORMS */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-label { display: block; font-size: 12px; font-weight: 500; color: var(--text-secondary); margin-bottom: 5px; letter-spacing: 0.3px; }
.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 9px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-size: 14px;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(74,92,63,0.1);
    background: var(--surface);
}
.form-textarea { resize: vertical; min-height: 80px; }

/* MODAL */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.3);
    backdrop-filter: blur(2px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal {
    background: var(--surface);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.modal-header {
    padding: 20px 24px 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title { font-size: 16px; font-weight: 600; }
.modal-close { background: none; border: none; cursor: pointer; color: var(--text-secondary); font-size: 20px; line-height: 1; }
.modal-close:hover { color: var(--text); }
.modal-body { padding: 20px 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; }

/* MOBILE */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); transition: transform 0.25s; }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .form-row { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .content-area { padding: 16px; }
}

/* SCROLLBAR */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

/* HAMBURGER */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text);
    padding: 4px;
}

@media (max-width: 768px) {
    .hamburger { display: flex; align-items: center; justify-content: center; }
    .sidebar-overlay {
        display: none;
        position: fixed; inset: 0;
        background: rgba(0,0,0,0.3);
        z-index: 99;
    }
    .sidebar-overlay.open { display: block; }
}