/* PromoPilot Styles - Clean SaaS Theme */

/* Import Modern Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Poppins:wght@400;500;600;700;800&display=swap');

/* CSS Variables - Light Theme */
:root {
    /* Brand colors */
    --brand: #6C63FF;
    --brand-hover: #5B52E0;
    --brand-light: #F5F3FF;
    --brand-muted: #A78BFA;

    /* Backgrounds */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --bg-tertiary: #F3F4F6;

    /* Text colors */
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --text-muted: #9CA3AF;

    /* Status colors */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;

    /* Borders */
    --border-color: #E5E7EB;
    --border-light: #F3F4F6;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;
}

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

html {
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

/* Links */
a {
    color: var(--brand);
    text-decoration: none;
    transition: color var(--transition-fast);
}
a:hover {
    color: var(--brand-hover);
}

/* Modern Checkbox Styles */
input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-primary);
    cursor: pointer;
    position: relative;
    transition: all var(--transition-base);
}
input[type="checkbox"]:hover {
    border-color: var(--brand);
}
input[type="checkbox"]:checked {
    background: var(--brand);
    border-color: var(--brand);
}
input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 0.3rem;
    height: 0.6rem;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: translate(-50%, -60%) rotate(45deg);
}
input[type="checkbox"]:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.2);
}

/* Form Controls */
.form-control {
    width: 100%;
    padding: 0.625rem 0.875rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}
.form-control:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.12);
}
.form-control::placeholder {
    color: var(--text-muted);
}
textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

/* Global Select Styling */
select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 6l3.5 3.5L11.5 6' stroke='%236B7280' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.625rem center;
    background-size: 1rem;
    padding-right: 2.25rem;
    cursor: pointer;
    line-height: 1.5;
}
select:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.12);
}
select:hover {
    border-color: #C4B5FD;
}
.dark select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 6l3.5 3.5L11.5 6' stroke='%239CA3AF' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
select option {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    padding: 0.5rem;
}
.dark select option {
    background-color: #1E293B;
    color: #F1F5F9;
}
select[multiple] {
    background-image: none;
    padding-right: 0.875rem;
}
select:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.875rem;
    gap: 0.5rem;
}
.btn-primary {
    background: var(--brand);
    color: white;
}
.btn-primary:hover {
    background: var(--brand-hover);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}
.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}
.btn-success {
    background-color: var(--success);
    color: white;
}
.btn-danger {
    background-color: var(--error);
    color: white;
}

/* Form Groups & Labels */
.form-group {
    margin-bottom: 1.25rem;
}
.form-label {
    display: block;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

/* Cards */
.card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}
.card-header {
    padding: 1.5rem 2rem 0;
}
.card-body {
    padding: 1.5rem 2rem 2rem;
}

/* Alerts */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid;
}
.alert-success { background-color: #ECFDF5; border-color: var(--success); color: #065F46; }
.alert-error, .alert-danger { background-color: #FEF2F2; border-color: var(--error); color: #991B1B; }
.alert-warning { background-color: #FFFBEB; border-color: var(--warning); color: #92400E; }
.alert-info { background-color: #EFF6FF; border-color: var(--info); color: #1E40AF; }

/* Slide-in animation */
@keyframes slide-in {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
}
.animate-slide-in {
    animation: slide-in 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Responsive */
@media (max-width: 768px) {
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }
}