/* Design System Tokens */
:root {
    --bg-dark: #0a0c10;
    --card-bg: rgba(22, 26, 33, 0.6);
    --card-border: rgba(255, 255, 255, 0.08);
    --primary: #5c6bc0;
    --primary-hover: #3f51b5;
    --accent: #ff4081;
    --text-main: #f0f3f6;
    --text-muted: #8b949e;
    --sidebar-bg: #101216;
    --success: #39d353;
    --error: #f43f5e;
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Typography */
h1 {
    font-size: 1.8rem;
    font-weight: 800;
}

h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* Login Page Styling */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 10% 20%, rgba(92, 107, 192, 0.15) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(255, 64, 129, 0.1) 0%, transparent 40%);
}

.login-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--glass-shadow);
    text-align: center;
    animation: fadeIn 0.6s ease-out;
}

.login-card h2 {
    margin-bottom: 0.25rem;
}

.login-card p {
    margin-bottom: 2rem;
}

/* Form Controls */
.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group.flex-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.form-group.flex-row label {
    margin-bottom: 0;
    cursor: pointer;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 0.85rem 1rem;
    background-color: rgba(13, 17, 23, 0.8);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

input[type="text"]:focus,
input[type="password"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(92, 107, 192, 0.2);
}

input[type="checkbox"] {
    width: 1.2rem;
    height: 1.2rem;
    accent-color: var(--primary);
    cursor: pointer;
}

/* Buttons */
.btn-primary {
    width: 100%;
    padding: 0.85rem;
    background-color: var(--primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

.btn-primary:active {
    transform: scale(0.98);
}

/* Messages */
.error-msg {
    margin-top: 1rem;
    color: var(--error);
    font-size: 0.9rem;
    font-weight: 600;
}

.success-msg {
    margin-top: 1rem;
    color: var(--success);
    font-size: 0.9rem;
    font-weight: 600;
}

/* App Layout Dashboard */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 240px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--card-border);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 2rem 1.5rem;
    border-bottom: 1px solid var(--card-border);
}

.sidebar-header h2 {
    margin-bottom: 0;
    font-weight: 800;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    padding: 1.5rem 0;
    flex: 1;
}

.sidebar-nav a {
    padding: 0.85rem 1.5rem;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s, background-color 0.3s;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    color: var(--text-main);
    background-color: rgba(255, 255, 255, 0.03);
    border-left: 3px solid var(--primary);
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.top-nav {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--card-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.user-profile {
    font-weight: 600;
    color: var(--text-muted);
    background-color: rgba(255, 255, 255, 0.05);
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

.content-body {
    padding: 2rem;
    flex: 1;
    overflow-y: auto;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.stat-card h3 {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.stat-card p {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-main);
}

/* Grid layout for Dashboard Forms & Tables */
.main-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 1.5rem;
}

@media(max-width: 1024px) {
    .main-grid {
        grid-template-columns: 1fr;
    }
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 2rem;
}

/* Tables */
.table-container {
    overflow-x: auto;
    width: 100%;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th, td {
    padding: 1rem 0.75rem;
    border-bottom: 1px solid var(--card-border);
}

th {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
}

td {
    font-size: 0.95rem;
}

/* Keyframes */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Tab Management */
.tab-content {
    display: none;
    animation: fadeIn 0.4s ease-out;
}

.tab-content.active {
    display: block;
}

/* Ads Settings Layout */
.ads-grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.ads-section {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1.5rem;
    height: fit-content;
}

.ads-section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--primary);
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 0.5rem;
}

.checkbox-group {
    background: rgba(92, 107, 192, 0.05);
    border: 1px solid rgba(92, 107, 192, 0.2);
    border-radius: 12px;
    padding: 1.25rem;
}

/* Pages Editor */
.page-selector-group {
    margin-bottom: 1.5rem;
}

.page-selector-group select {
    width: 100%;
    max-width: 320px;
    padding: 0.75rem;
    background: rgba(10, 12, 16, 0.8);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    color: var(--text-main);
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
}

.page-selector-group select:focus {
    border-color: var(--primary);
}

.monospace-textarea {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
    line-height: 1.5;
}

.editor-fields {
    margin-top: 1.5rem;
    animation: fadeIn 0.3s ease-out;
}

/* Master Switch Card styling */
.master-switch-card {
    background: #0f131a;
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--glass-shadow);
}

.master-switch-card .card-header {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.master-switch-card .card-header .purple-dot {
    color: #7c4dff;
    font-size: 0.8rem;
}

.switch-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.switch-row:last-of-type {
    border-bottom: none;
}

.switch-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.switch-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-main);
}

.switch-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Switch Styles */
.switch {
    position: relative;
    display: inline-block;
    width: 46px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #3e4451;
    transition: .3s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: #7c4dff;
}

input:checked + .slider:before {
    transform: translateX(22px);
}

/* Input layout */
.inputs-row {
    display: flex;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.input-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-col label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.input-col input[type="number"] {
    background: #161a22;
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}

.input-col input[type="number"]:focus {
    border-color: #7c4dff;
}

/* Ad Network Selector */
.ad-network-selector-card {
    background: rgba(92, 107, 192, 0.08);
    border: 1px solid rgba(92, 107, 192, 0.25);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.5rem;
}

.ad-network-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
}

.ad-network-select-wrapper {
    position: relative;
    display: block;
}

.ad-network-select {
    width: 100%;
    appearance: none;
    -webkit-appearance: none;
    background: #0f1117;
    border: 1.5px solid #5c6bc0;
    border-radius: 10px;
    padding: 0.85rem 2.5rem 0.85rem 1.1rem;
    color: var(--text-main);
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    outline: none;
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.ad-network-select:focus {
    border-color: #7c8ef0;
    box-shadow: 0 0 0 3px rgba(92, 107, 192, 0.2);
}

.ad-network-select option {
    background: #161a22;
    color: var(--text-main);
    padding: 0.5rem;
}

.select-arrow {
    position: absolute;
    right: 1.1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #5c6bc0;
    font-size: 1.3rem;
    pointer-events: none;
    line-height: 1;
}

/* Hidden ad panels */
.ads-section.hidden {
    display: none;
}