:root {
    --bg-color: #0b0c10;
    --glass-bg: rgba(31, 40, 51, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
    --primary-color: #45a29e;
    --primary-hover: #66fcf1;
    --text-main: #c5c6c7;
    --text-light: #ffffff;
    --danger-color: #ff4c4c;
    --success-color: #4caf50;
    --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-image: radial-gradient(circle at top right, rgba(69, 162, 158, 0.15), transparent 40%),
                      radial-gradient(circle at bottom left, rgba(69, 162, 158, 0.1), transparent 40%);
    background-attachment: fixed;
}

/* Glassmorphism Classes */
.glass-container {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--card-shadow);
    padding: 24px;
}

/* Login Page Specifics */
.login-body {
    justify-content: center;
    align-items: center;
}

.login-box {
    width: 100%;
    max-width: 400px;
    padding: 40px 30px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.logo-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    margin: 0 auto 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--bg-color);
    font-weight: 700;
    font-size: 24px;
    box-shadow: 0 4px 15px rgba(102, 252, 241, 0.4);
}

.login-header h2 {
    color: var(--text-light);
    font-weight: 600;
    margin-bottom: 8px;
}

.login-header p {
    font-size: 14px;
    color: var(--text-main);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-light);
    font-size: 15px;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(69, 162, 158, 0.2);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3e%3cpath d='M7 10l5 5 5-5z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
}
textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}
.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: var(--bg-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 252, 241, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}
.btn-danger {
    background: rgba(255, 76, 76, 0.1);
    color: var(--danger-color);
    border: 1px solid rgba(255, 76, 76, 0.3);
}
.btn-danger:hover {
    background: rgba(255, 76, 76, 0.2);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-block {
    width: 100%;
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-error {
    background: rgba(255, 76, 76, 0.1);
    border: 1px solid rgba(255, 76, 76, 0.3);
    color: #ff9b9b;
}

.alert-success {
    background: rgba(76, 175, 80, 0.1);
    border: 1px solid rgba(76, 175, 80, 0.3);
    color: #a5d6a7;
}

/* Dashboard Layout */
.dashboard-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.top-navbar {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-light);
    font-weight: 600;
    font-size: 18px;
    text-decoration: none;
}

.nav-brand .circle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--bg-color);
    font-size: 14px;
}

.logout-link {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}
.logout-link:hover {
    color: var(--danger-color);
}

.main-content {
    flex: 1;
    padding: 30px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.page-header h1 {
    color: var(--text-light);
    font-size: 28px;
    font-weight: 600;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.table th, .table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
}

.table th {
    color: var(--primary-hover);
    font-weight: 500;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table tbody tr {
    transition: background-color 0.2s;
}

.table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

.badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}
.badge-success { background: rgba(76,175,80,0.2); color: #81c784; border: 1px solid rgba(76,175,80,0.5); }
.badge-danger { background: rgba(255,76,76,0.2); color: #e57373; border: 1px solid rgba(255,76,76,0.5); }
.badge-warning { background: rgba(255,152,0,0.2); color: #ffb74d; border: 1px solid rgba(255,152,0,0.5); }

/* Form Grid */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.section-title {
    color: var(--text-light);
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--glass-border);
}

.card-footer {
    margin-top: 30px;
    display: flex;
    gap: 15px;
    justify-content: flex-end;
}

/* Toast */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border-left: 4px solid var(--primary-color);
    color: var(--text-light);
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    transform: translateX(120%);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    min-width: 250px;
}

.toast.show {
    transform: translateX(0);
}
.toast.success { border-left-color: var(--success-color); }
.toast.error { border-left-color: var(--danger-color); }

/* Custom json area */
.admob-slot-group {
    background: rgba(0,0,0,0.2);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    border: 1px solid var(--glass-border);
}
.admob-slot-group h4 {
    margin-bottom: 15px;
    color: var(--primary-hover);
    font-size: 15px;
}
/* Tabs */
.tabs-nav {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 10px;
    overflow-x: auto;
}
.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-main);
    padding: 10px 20px;
    font-size: 15px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    border-radius: 8px;
    white-space: nowrap;
}
.tab-btn:hover {
    background: rgba(255,255,255,0.05);
    color: var(--text-light);
}
.tab-btn.active {
    background: rgba(69, 162, 158, 0.2);
    color: var(--primary-hover);
    border: 1px solid var(--primary-color);
}
.tab-content {
    display: none;
    animation: fadeIn 0.4s ease;
}
.tab-content.active {
    display: block;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}