/* ==========================================================================
   RMI Global Training - Master Stylesheet (V3 Final Fix)
   ========================================================================== */

:root {
    --brand-navy: #0c2c4c;
    --brand-navy-light: #16406b;
    --brand-orange: #ec7424;
    --brand-orange-hover: #ff8c42;
    --bg-main: #f4f7fa;
    --bg-card: #ffffff;
    --text-main: #333333;
    --text-muted: #6c757d;
    --border-color: #e2e8f0;
    --success: #28a745;
    --danger: #dc3545;
    --font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --radius: 6px;
    --shadow-sm: 0 2px 4px rgba(12, 44, 76, 0.05);
    --shadow-md: 0 4px 12px rgba(12, 44, 76, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font-family); background-color: var(--bg-main); color: var(--text-main); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: var(--brand-navy); }
ul { list-style: none; }
img { max-width: 100%; height: auto; } 

/* --- Text Logo System --- */
.text-logo { font-size: 28px; font-weight: 900; color: var(--brand-navy); letter-spacing: -0.5px; display: flex; align-items: center; }
.text-logo span { color: var(--brand-orange); }
.sidebar-header .text-logo { color: white; }

/* --- Layouts --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.dashboard-layout { display: flex; min-height: 100vh; position: relative; }

/* --- Off-Canvas Sidebar (Fixed Scrolling) --- */
.sidebar { width: 280px; background-color: var(--brand-navy); color: white; display: flex; flex-direction: column; flex-shrink: 0; transition: transform 0.3s ease; z-index: 1050; height: 100vh; overflow-y: auto; }
.sidebar-header { padding: 20px; background-color: #081e36; text-align: center; border-bottom: 1px solid rgba(255,255,255,0.1); display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; z-index: 10; }
.sidebar-nav { flex-grow: 1; padding: 20px 0; }
.sidebar-nav a { display: block; color: #a0b2c6; padding: 12px 24px; transition: all 0.3s ease; border-left: 4px solid transparent; }
.sidebar-nav a:hover, .sidebar-nav a.active { background-color: var(--brand-navy-light); color: white; border-left-color: var(--brand-orange); }

/* --- Main Content Area --- */
.main-content { flex-grow: 1; display: flex; flex-direction: column; width: calc(100% - 280px); min-height: 100vh; }
.topbar { background-color: var(--bg-card); height: 70px; padding: 0 30px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border-color); box-shadow: var(--shadow-sm); z-index: 1000; }
.user-profile { display: flex; align-items: center; gap: 15px; font-weight: 600; }
.content-wrapper { padding: 30px; overflow-x: hidden; }

/* --- UI Components --- */
.card { background-color: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 24px; margin-bottom: 24px; border: 1px solid var(--border-color); overflow: hidden; }
.card-header { border-bottom: 1px solid var(--border-color); padding-bottom: 15px; margin-bottom: 15px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px;}
.btn { display: inline-block; padding: 10px 20px; border-radius: var(--radius); font-weight: 600; cursor: pointer; border: none; transition: background 0.3s ease; text-align: center; }
.btn-primary { background-color: var(--brand-orange); color: white; }
.btn-primary:hover { background-color: var(--brand-orange-hover); }
.btn-secondary { background-color: var(--brand-navy); color: white; }
.btn-secondary:hover { background-color: var(--brand-navy-light); }
.btn-outline { background: transparent; border: 1px solid var(--border-color); color: var(--text-main); }
.btn-outline:hover { background: #f8f9fa; border-color: #d1d5db; }
.btn-danger { background: transparent; border: 1px solid var(--danger); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: white; }

/* --- Forms & Tables --- */
.form-group { margin-bottom: 20px; width: 100%; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 600; color: var(--brand-navy); }
.form-control { width: 100%; padding: 12px; border: 1px solid var(--border-color); border-radius: var(--radius); font-family: inherit; font-size: 14px; }
.form-control:focus { outline: none; border-color: var(--brand-orange); box-shadow: 0 0 0 2px rgba(236, 116, 36, 0.2); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; width: 100%; border-radius: var(--radius); }
.data-table { width: 100%; border-collapse: collapse; min-width: 700px; }
.data-table th, .data-table td { padding: 15px; text-align: left; border-bottom: 1px solid var(--border-color); }
.data-table th { background-color: #f8f9fa; color: var(--brand-navy); font-weight: 600; }
.badge { padding: 5px 10px; border-radius: 20px; font-size: 12px; font-weight: bold; white-space: nowrap; }
.badge-success { background-color: #d4edda; color: #155724; }
.badge-warning { background-color: #fff3cd; color: #856404; }

/* --- Tabs & Modules --- */
.tab-container .tab-buttons { display: flex; border-bottom: 2px solid var(--border-color); margin-bottom: 20px; flex-wrap: wrap; }
.tab-btn { padding: 12px 24px; background: none; border: none; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--text-muted); border-bottom: 3px solid transparent; margin-bottom: -2px; }
.tab-btn.active { color: var(--brand-navy); border-bottom-color: var(--brand-orange); }
.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.4s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }

.module-list { border: 1px solid var(--border-color); border-radius: var(--radius); }
.module-item { padding: 15px 20px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; background: white; }
.module-item.locked { background: #f8f9fa; color: var(--text-muted); pointer-events: none; }
.module-item:last-child { border-bottom: none; }
.content-block { margin-bottom: 30px; padding-bottom: 20px; border-bottom: 1px solid var(--border-color); }

/* --- Public Front End --- */
.public-header { background: #ffffff; padding: 15px 0; box-shadow: var(--shadow-sm); position: relative; z-index: 1050; }
.public-nav-wrapper { display: flex; justify-content: space-between; align-items: center; }
.public-nav-links { display: flex; align-items: center; gap: 20px; }
.hero { background-color: var(--brand-navy); color: white; padding: 100px 0; text-align: center; }
.hero h1 { font-size: 48px; margin-bottom: 20px; }

/* --- Hamburger Menu & Overlay (Hidden on Desktop) --- */
.hamburger { display: none; flex-direction: column; justify-content: space-around; width: 30px; height: 25px; background: transparent; border: none; cursor: pointer; z-index: 1100; }
.hamburger span { width: 30px; height: 3px; background: var(--brand-navy); border-radius: 10px; transition: all 0.3s linear; transform-origin: 1px; }
.nav-overlay { display: none; position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(0,0,0,0.5); z-index: 1040; opacity: 0; transition: opacity 0.3s ease; }
.close-sidebar { display: none; background: transparent; border: none; color: white; font-size: 32px; cursor: pointer; line-height: 1; padding: 0 10px; }

/* --- Mobile Responsiveness --- */
@media (max-width: 992px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .hamburger { display: flex; } /* Shows ONLY on mobile */
    .close-sidebar { display: block; } /* Shows ONLY on mobile */
    .desktop-title { display: none; }
    
    /* Public Nav Mobile */
    .public-nav-links { position: absolute; top: 100%; left: 0; width: 100%; background: white; flex-direction: column; padding: 0; box-shadow: var(--shadow-md); clip-path: polygon(0 0, 100% 0, 100% 0, 0 0); transition: clip-path 0.3s ease-in-out; }
    .public-nav-links.active { clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%); padding: 20px 0; }
    .public-nav-links a { width: 100%; text-align: center; padding: 15px; border-bottom: 1px solid var(--border-color); }
    .public-nav-links a.btn { width: 80%; margin: 15px auto; }
    
    /* Dashboard Mobile Sidebar (Off-Canvas) */
    .dashboard-layout { flex-direction: column; }
    .sidebar { position: fixed; top: 0; left: 0; height: 100vh; transform: translateX(-100%); box-shadow: var(--shadow-md); }
    .sidebar.active { transform: translateX(0); }
    .main-content { width: 100%; margin-left: 0; }
    .topbar { flex-direction: row; justify-content: space-between; padding: 0 20px; height: 70px; align-items: center; }
    .nav-overlay.active { display: block; opacity: 1; }
    
    .grid-3, .grid-2 { grid-template-columns: 1fr; }
    .content-wrapper { padding: 15px; }
    .hero h1 { font-size: 32px; }
}