/* =========================================
   AdsFurry Design System - v2.0 (SaaS Professional)
   ========================================= */

:root {
    /* --- COLOR PALETTE --- */

    /* Primary (Deep Indigo/Slate) */
    --primary-50: #eef2ff;
    --primary-100: #e0e7ff;
    --primary-500: #4f46e5;
    /* Main Brand Color */
    --primary-600: #4338ca;
    /* Hover */
    --primary-700: #3730a3;
    /* Active */

    /* Secondary/Accents */
    --accent-teal: #14b8a6;
    --accent-cyan: #06b6d4;

    /* Neutrals (Slate) */
    --slate-50: #f8fafc;
    /* App Background */
    --slate-100: #f1f5f9;
    /* Panel Background */
    --slate-200: #e2e8f0;
    /* Borders */
    --slate-300: #cbd5e1;
    /* Disabled elements */
    --slate-400: #94a3b8;
    /* Icons */
    --slate-600: #475569;
    /* Body Text */
    --slate-800: #1e293b;
    /* Headings */
    --slate-900: #0f172a;
    /* Sidebar/Dark Elements */

    /* Semantic Colors */
    --success: #10b981;
    --success-bg: #d1fae5;
    --warning: #f59e0b;
    --warning-bg: #fef3c7;
    --danger: #ef4444;
    --danger-bg: #fee2e2;
    --info: #3b82f6;
    --info-bg: #dbeafe;

    /* --- TYPOGRAPHY --- */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-heading: 'Outfit', var(--font-sans);
    /* Use Outfit if available, else Inter */

    /* --- SHADOWS --- */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

    /* --- BORDER RADIUS --- */
    --radius-sm: 0.375rem;
    /* 6px */
    --radius-md: 0.5rem;
    /* 8px */
    --radius-lg: 0.75rem;
    /* 12px */
}

/* =========================================
   RESET & BASE STYLES
   ========================================= */

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    background-color: var(--slate-50);
    color: var(--slate-600);
    -webkit-font-smoothing: antialiased;
    line-height: 1.5;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--slate-800);
    font-family: var(--font-heading);
    font-weight: 600;
    margin-top: 0;
}

a {
    color: var(--primary-500);
    text-decoration: none;
    transition: color 0.15s;
}

a:hover {
    color: var(--primary-600);
}

/* =========================================
   COMPONENTS
   ========================================= */

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    gap: 0.5rem;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Variant: Primary */
.btn-primary {
    background-color: var(--primary-500);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-600);
    box-shadow: var(--shadow-md);
}

/* Variant: Secondary (Outline) */
.btn-secondary {
    background-color: white;
    border-color: var(--slate-200);
    color: var(--slate-600);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--slate-50);
    border-color: var(--slate-300);
    color: var(--slate-800);
}

/* Variant: Ghost (Text Only) */
.btn-ghost {
    background-color: transparent;
    color: var(--slate-600);
}

.btn-ghost:hover:not(:disabled) {
    background-color: var(--slate-100);
}

/* Variant: Danger */
.btn-danger {
    background-color: var(--danger);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background-color: #dc2626;
}

/* Variant: Success */
.btn-success {
    background-color: var(--success);
    color: white;
}

.btn-success:hover:not(:disabled) {
    background-color: #059669;
}


/* --- CARDS --- */
.card {
    background-color: white;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    transition: box-shadow 0.2s;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--slate-100);
    padding-bottom: 0.75rem;
}


/* --- FORMS & INPUTS --- */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--slate-800);
    margin-bottom: 0.375rem;
}

.form-control,
.form-select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--slate-900);
    background-color: white;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-md);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-control:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}


/* --- BADGES --- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-success {
    background-color: var(--success-bg);
    color: #065f46;
}

.badge-warning {
    background-color: var(--warning-bg);
    color: #92400e;
}

.badge-danger {
    background-color: var(--danger-bg);
    color: #b91c1c;
}

.badge-info {
    background-color: var(--info-bg);
    color: #1e40af;
}

.badge-neutral {
    background-color: var(--slate-100);
    color: var(--slate-600);
}


/* --- TABLES --- */
.table-container {
    overflow-x: auto;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    background: white;
}

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

.table th {
    background-color: var(--slate-50);
    color: var(--slate-600);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--slate-200);
}

.table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--slate-100);
    color: var(--slate-600);
    font-size: 0.875rem;
}

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

.table tr:hover {
    background-color: var(--slate-50);
}


/* --- UTILITIES --- */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-4 {
    gap: 1rem;
}

.mt-4 {
    margin-top: 1rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

.p-4 {
    padding: 1rem;
}

.text-sm {
    font-size: 0.875rem;
}

.text-muted {
    color: var(--slate-400);
}

.text-center {
    text-align: center;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--slate-400);
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}


/* --- LAYOUT STRUCTURE (Replaces old .main-content etc) --- */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background-color: var(--slate-900);
    color: white;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background-color: var(--slate-50);
}

.top-nav {
    height: 64px;
    background: white;
    border-bottom: 1px solid var(--slate-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
}

.page-content {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}