:root {
    --primary: #047857; /* Emerald Green */
    --primary-dark: #065f46;
    --primary-light: #a7f3d0;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg: #f3f4f6;
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.4);
    --card-bg: #ffffff;
    --input-bg: rgba(255, 255, 255, 0.9);
    --input-border: #cccccc;
    --border-color: #e5e7eb;
    --shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
}

/* Dark Mode Overrides */
.dark-mode {
    --primary: #10b981;
    --primary-dark: #059669;
    --primary-light: #064e3b;
    --text-dark: #f3f4f6;
    --text-light: #9ca3af;
    --bg: #111827;
    --white: #1f2937;
    --glass-bg: rgba(31, 41, 55, 0.85);
    --glass-border: rgba(255, 255, 255, 0.1);
    --card-bg: #1f2937;
    --input-bg: rgba(17, 24, 39, 0.9);
    --input-border: #374151;
    --border-color: #374151;
    --shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Utilities */
.w-100 { width: 100%; }
.mt-4 { margin-top: 1.5rem; }
.bg-light { background-color: var(--bg); }
.bg-white { background-color: var(--card-bg); }

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    box-shadow: 0 4px 6px rgba(4, 120, 87, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(4, 120, 87, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--text-dark);
    border: 2px solid var(--white);
    backdrop-filter: blur(5px);
}
.btn-outline:hover {
    background: rgba(255,255,255,0.2);
}

/* Navbar */
.navbar {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    position: fixed;
    top: 0; width: 100%;
    z-index: 100;
    padding: 15px 0;
    transition: background-color 0.3s, border-color 0.3s;
}
.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-dark);
}
.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    margin-left: 20px;
    font-weight: 500;
    transition: var(--transition);
}
.nav-links a:hover {
    color: var(--primary);
}
.mobile-toggle {
    display: none; background: transparent; border: none; font-size: 1.5rem; color: var(--text-dark); cursor: pointer;
}
.nav-icon-btn { font-size: 1.2rem; }
.btn-primary-sm {
    background: var(--primary);
    color: #fff !important;
    padding: 8px 16px;
    border-radius: 6px;
}
.user-menu {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    margin-left: 20px;
}
.user-menu span {
    font-weight: 600;
    color: var(--primary);
}

/* App Container Views */
#app-container {
    margin-top: 60px; /* Space for navbar */
    min-height: calc(100vh - 60px);
}
.view-section {
    display: none;
    animation: fadeIn 0.4s ease forwards;
}
.view-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Hero Section */
.hero {
    min-height: 80vh;
    background: linear-gradient(rgba(4, 120, 87, 0.85), rgba(6, 95, 70, 0.95)), url('https://images.unsplash.com/photo-1577896851231-70ef18881754?auto=format&fit=crop&q=80') center/cover;
    display: flex;
    align-items: center;
    color: #fff;
    text-align: center;
}
.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
}
.hero p {
    font-size: 1.25rem;
    margin-bottom: 40px;
    opacity: 0.9;
}
.hero-actions { display: flex; gap: 20px; justify-content: center; }

/* Timeline */
.section { padding: 80px 0; }
.section-title { text-align: center; font-size: 2rem; color: var(--text-dark); }
.section-subtitle { text-align: center; color: var(--text-light); margin-bottom: 50px; }
.timeline {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}
.timeline-step {
    text-align: center;
    z-index: 2;
    flex: 1;
}
.timeline-step .icon {
    width: 70px; height: 70px;
    background: var(--card-bg);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 15px auto;
    font-size: 24px; color: var(--primary);
    box-shadow: var(--shadow);
}
.timeline-line {
    flex: 2; height: 3px; background: var(--primary-light);
    margin: -35px 10px 0 10px;
}

/* Statistik Section */
.stat-header { text-align: center; margin-bottom: 30px; }
.stat-header h2 { color: var(--text-dark); font-size: 1.5rem; }
.stat-header p { color: var(--text-light); }
.stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}
.stat-card {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
}
.stat-card:hover { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,0.1); }
.stat-card-header {
    padding: 15px;
    text-align: center;
    color: #fff;
    font-weight: 600;
    font-size: 1.1rem;
}
.stat-card.blue .stat-card-header { background: #1877f2; }
.stat-card.green .stat-card-header { background: #22c55e; }
.stat-card-body {
    padding: 30px;
    text-align: center;
}
.stat-card-body h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
}
@media(max-width: 600px) {
    .stat-grid { grid-template-columns: 1fr; gap: 15px; }
}

/* Auth (Glassmorphism) */
.auth-container {
    min-height: calc(100vh - 60px);
    display: flex; align-items: center; justify-content: center;
    padding: 40px 20px;
    background: url('https://images.unsplash.com/photo-1546410531-bea5aadcb6ce?auto=format&fit=crop&w=1200') center/cover;
}
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--shadow);
    padding: 40px;
}
.auth-box {
    width: 100%;
    max-width: 450px;
}
.tab-header {
    display: flex; border-bottom: 1px solid var(--border-color); margin-bottom: 30px;
}
.tab-btn {
    flex: 1; padding: 12px; background: none; border: none; font-size: 1rem; font-weight: 600; cursor: pointer; color: var(--text-light);
}
.tab-btn.active { color: var(--primary); border-bottom: 2px solid var(--primary); }

.input-group {
    position: relative; margin-bottom: 20px;
}
.input-group i {
    position: absolute; left: 15px; top: 50%; transform: translateY(-50%); color: var(--text-light);
}
.input-group input {
    width: 100%; padding: 14px 14px 14px 45px;
    border: 1px solid var(--input-border); border-radius: 8px; font-size: 1rem; color: var(--text-dark);
    background: var(--input-bg); transition: var(--transition);
}
.input-group input:focus { border-color: var(--primary); outline: none; box-shadow: 0 0 0 3px var(--primary-light); }

/* Dashboard */
.dashboard-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 30px;
    padding-top: 40px; padding-bottom: 40px;
}
.sidebar { padding: 30px 20px; }
.sidebar h3 { margin-bottom: 20px; color: var(--primary-dark); }
.sidebar-menu { list-style: none; }
.sidebar-menu li { margin-bottom: 10px; }
.sidebar-menu a {
    display: block; padding: 12px 15px; color: var(--text-dark); text-decoration: none;
    border-radius: 8px; transition: var(--transition); font-weight: 500;
}
.sidebar-menu a:hover, .sidebar-menu a.active {
    background: var(--primary-light); color: var(--primary-dark);
}

.dash-section h2 { margin-bottom: 10px; color: var(--primary-dark); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.input-group-vertical { display: flex; flex-direction: column; gap: 8px; margin-bottom: 10px; }
.input-group-vertical.full-width { grid-column: span 2; }
.input-group-vertical label { font-weight: 600; font-size: 0.9rem; color: var(--text-dark); }
.input-group-vertical input, .input-group-vertical textarea {
    padding: 12px; border: 1px solid var(--input-border); border-radius: 8px; font-size: 1rem;
    background: var(--input-bg); color: var(--text-dark);
}
.input-group-vertical input.readonly { background: var(--bg); color: var(--text-light); cursor: not-allowed; }

/* Upload Grid */
.upload-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 20px; }
.upload-item {
    border: 2px dashed var(--input-border); border-radius: 12px; padding: 20px; text-align: center;
    background: var(--glass-bg); cursor: pointer; transition: var(--transition); position: relative;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    min-height: 180px;
}
.upload-item:hover { border-color: var(--primary); background: var(--primary-light); }
.upload-item.has-file { border-color: var(--primary); background: var(--primary-light); border-style: solid; box-shadow: 0 4px 10px rgba(0,0,0,0.05); }
.upload-item i.fa-image, .upload-item i.fa-address-card, .upload-item i.fa-file-contract { font-size: 2.5rem; color: var(--primary); margin-bottom: 15px; display:block; }
.upload-item span { color: var(--text-dark); }
.upload-item .file-input { position: absolute; inset: 0; width:100%; height:100%; opacity: 0; cursor: pointer; z-index: 5; }
.status-msg { display:block; margin-top:10px; color:var(--primary-dark); font-weight:bold; font-size:0.85rem; word-break: break-all; }
.preview-area { width: 100%; display: flex; flex-direction: column; align-items: center; pointer-events: none; }

/* Print Preview Area */
.print-preview { background: var(--card-bg); padding: 40px; border: 1px solid var(--border-color); border-radius: 8px; margin-top: 20px; }
.print-header { text-align: center; margin-bottom: 30px; }
.print-table { width: 100%; border-collapse: collapse; }
.print-table td { padding: 10px 0; font-size: 1.1rem; color: var(--text-dark); }
.status-badge { background: var(--primary-light); color: var(--primary-dark); padding: 5px 10px; border-radius: 4px; }
.print-footer { margin-top: 40px; text-align: center; font-style: italic; color: var(--text-light); }

/* Progress Bar */
.progress-bar-container {
    background: var(--glass-bg); padding: 10px 15px; border-radius: 8px; margin-bottom: 20px;
    border: 1px solid var(--glass-border); color: var(--text-dark);
}
.progress-bg {
    width: 100%; height: 8px; background: var(--border-color); border-radius: 4px; margin-top: 8px; overflow: hidden;
}
.progress-fill {
    height: 100%; background: var(--primary); width: 0%; transition: width 0.8s ease-in-out;
}

/* Toast */
.toast {
    position: fixed; bottom: 30px; right: 30px; background: #333; color: #fff; padding: 15px 25px;
    border-radius: 8px; box-shadow: 0 4px 12px rgba(0,0,0,0.15); transform: translateY(100px); opacity: 0;
    transition: var(--transition); z-index: 1000;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { background: var(--primary); }
.toast.error { background: #dc2626; }

/* Responsive */
@media(max-width: 768px) {
    .dashboard-layout { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .upload-grid { grid-template-columns: 1fr; }
    .timeline-step { font-size: 0.9rem; }
    .timeline-step .icon { width: 50px; height: 50px; font-size: 1.2rem; }
    .hero h1 { font-size: 2rem; }
    
    .mobile-toggle { display: block; }
    .nav-links {
        display: none; position: absolute; top: 100%; left: 0; width: 100%; 
        background: var(--glass-bg); backdrop-filter: blur(10px); flex-direction: column; 
        padding: 20px; border-bottom: 1px solid var(--glass-border); text-align: center;
    }
    .nav-links.mobile-open { display: flex; }
    .nav-links a { margin: 10px 0; }
    .user-menu { flex-direction: column; margin-left: 0; }
    .admin-header-flex { flex-direction: column; gap:15px; }
}

@media print {
    body * { visibility: hidden; }
    #print-area, #print-area * { visibility: visible; }
    #print-area { position: absolute; left: 0; top: 0; width: 100%; border: none; margin: 0; padding: 0; }
    .print-preview { background:#fff; color:#000; border:none; }
    .print-table td { color:#000; }
}

/* Admin Table */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    font-size: 0.95rem;
}
.admin-table th, .admin-table td {
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    text-align: left;
    color: var(--text-dark);
}
.admin-table th {
    background-color: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.admin-table a { color: var(--primary); text-decoration: none; }
.admin-table a:hover { text-decoration: underline; }