@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    /* Colors: Pure White & Elegant Blue Theme */
    --bg-color: #f8fafc; /* Very light slate for background */
    --panel-bg: #ffffff; /* Pure white for cards */
    --sidebar-bg: #ffffff;
    
    /* Typography */
    --text-primary: #0f172a; /* Dark slate */
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    /* Accents & Brand */
    --primary: #2563eb; /* Royal Blue */
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff; /* Very soft blue for active states */
    
    /* Status Colors */
    --success: #059669;
    --success-bg: #ecfdf5;
    --error: #e11d48;
    --error-bg: #fff1f2;
    --warning: #d97706;
    --warning-bg: #fffbeb;
    
    /* Borders & Shadows */
    --border-light: #f1f5f9;
    --border-color: #e2e8f0;
    --border-strong: #cbd5e1;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.03);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.05), 0 4px 6px -2px rgba(0,0,0,0.025);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Plus Jakarta Sans', sans-serif;
    line-height: 1.5;
    height: 100vh;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.mono {
    font-family: 'JetBrains Mono', monospace;
}

/* Layout */
.dashboard-layout {
    display: flex;
    height: 100vh;
    width: 100vw;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 50;
    box-shadow: var(--shadow-sm);
}

.sidebar-header {
    padding: 32px 24px;
    border-bottom: 1px solid var(--border-light);
}

.sidebar-header h2 {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -1px;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-header h2::before {
    content: "✦";
    font-size: 20px;
}

.sidebar-nav {
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
}

.sidebar-nav a {
    text-decoration: none;
    color: var(--text-secondary);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-nav a:hover {
    background: var(--primary-light);
    color: var(--primary);
    transform: translateX(4px);
}

.sidebar-nav a.active {
    background: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.sidebar-nav-logout {
    margin: 16px;
    padding: 12px;
    text-align: center;
    border-radius: var(--radius-sm);
    color: var(--error);
    background: var(--error-bg);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: block;
}
.sidebar-nav-logout:hover {
    background: var(--error);
    color: #fff;
}

.clock-container {
    text-align: center;
    padding: 16px;
    color: var(--text-muted);
    font-size: 14px;
    border-top: 1px solid var(--border-light);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

/* Topbar */
.topbar {
    height: 80px;
    background: var(--panel-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 40;
}

#page-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
}

.topbar-status {
    background: var(--success-bg);
    color: var(--success);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* Content Area */
#content-area {
    flex: 1;
    padding: 40px;
    overflow-y: auto;
    background-color: var(--bg-color);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--panel-bg);
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.stat-card h3 {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.stat-card .value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
}

/* Panels / Cards */
.panel {
    background: var(--panel-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    padding: 32px;
    margin-bottom: 32px;
}

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

.panel-header h2 {
    font-size: 18px;
    color: var(--text-primary);
}

/* Forms & Inputs */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
select {
    width: 100%;
    padding: 12px 16px;
    background: #ffffff;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    transition: var(--transition);
}

input:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-light);
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
}

.btn-primary {
    background: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 6px rgba(37, 99, 235, 0.2);
}
.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 12px rgba(37, 99, 235, 0.3);
}

.btn-outline {
    background: #ffffff;
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
}
.btn-outline:hover {
    background: #f8fafc;
    border-color: var(--primary);
    color: var(--primary);
}

.btn-danger { background: var(--error); color: white; }
.btn-danger:hover { background: #be123c; }
.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #047857; }
.btn-warning { background: var(--warning); color: white; }
.btn-warning:hover { background: #b45309; }
.btn-sm { padding: 6px 12px; font-size: 12px; }

/* Tables */
.table-responsive {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--panel-bg);
}

th {
    background: #f8fafc;
    text-align: left;
    padding: 14px 20px;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-light);
    font-size: 14px;
    color: var(--text-primary);
    vertical-align: middle;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: #f8fafc;
}

/* Badges */
.badge {
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-error { background: var(--error-bg); color: var(--error); }
.badge-primary { background: var(--primary-light); color: var(--primary); }

/* Utility */
.action-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.mt-2 { margin-top: 1rem; }
.mb-2 { margin-bottom: 1rem; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Modal specific (if used) */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--panel-bg);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    padding: 32px;
    box-shadow: var(--shadow-lg);
    animation: modalPop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes modalPop {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

/* Alerts */
.alert {
    padding: 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
    font-size: 14px;
    font-weight: 500;
}
.alert-error { background: var(--error-bg); color: var(--error); border-left: 4px solid var(--error); }
.alert-success { background: var(--success-bg); color: var(--success); border-left: 4px solid var(--success); }

/* Login Page Exceptions */
.login-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    background: var(--bg-color);
}

.login-box {
    background: var(--panel-bg);
    width: 100%;
    max-width: 420px;
    padding: 48px 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

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

.login-header h1 {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -1px;
    margin-bottom: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.login-header h1::before {
    content: "✦";
    font-size: 24px;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
}

#login-btn {
    width: 100%;
    padding: 14px;
    margin-top: 12px;
    background: var(--primary);
    color: #ffffff;
    font-size: 15px;
    font-weight: 700;
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

#login-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3);
}

.login-footer {
    margin-top: 32px;
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
}

.login-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.login-footer a:hover {
    text-decoration: underline;
}

/* Alert inside login */
.alert {
    display: none;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
}

.alert.show {
    display: block;
    animation: fadeInUp 0.3s ease backwards;
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    background: #ffffff;
    color: var(--text-primary);
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 280px;
    max-width: 350px;
    font-weight: 600;
    font-size: 14px;
    transform: translateX(120%);
    transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55), opacity 0.3s ease;
    border-left: 4px solid var(--primary);
    pointer-events: auto;
}

.toast.show {
    transform: translateX(0);
}

.toast-success { border-left-color: var(--success); }
.toast-error { border-left-color: var(--error); }
.toast-info { border-left-color: var(--primary); }
.toast-warning { border-left-color: var(--warning); }

.toast-icon { font-size: 18px; }
.toast-message { flex: 1; line-height: 1.4; }