/**
 * DigitalMDHusain v2 - Design System
 * Premium Design Tokens and Base Styles
 */

/* ============================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================ */

:root {
    /* === Colors === */
    /* Primary Colors - Indigo/Blue */
    --color-primary: #4f46e5;
    --color-primary-dark: #4338ca;
    --color-primary-light: #6366f1;
    --color-primary-lighter: #818cf8;
    
    /* Secondary Colors - Purple */
    --color-secondary: #8b5cf6;
    --color-secondary-dark: #7c3aed;
    --color-secondary-light: #a78bfa;
    --color-secondary-lighter: #c4b5fd;
    
    /* Accent Colors - Emerald */
    --color-accent: #10b981;
    --color-accent-dark: #059669;
    --color-accent-light: #34d399;
    --color-accent-lighter: #6ee7b7;
    
    /* Neutral Colors */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* Semantic Colors */
    --color-success: #10b981;
    --color-success-dark: #059669;
    --color-warning: #f59e0b;
    --color-warning-dark: #d97706;
    --color-error: #ef4444;
    --color-error-dark: #dc2626;
    --color-info: #3b82f6;
    --color-info-dark: #2563eb;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --bg-dark: #111827;
    --bg-darker: #0f172a;
    
    /* Gradient Colors */
    --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #8b5cf6 0%, #a78bfa 100%);
    --gradient-accent: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    --gradient-dark: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    --gradient-light: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
    --gradient-hero: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 50%, #10b981 100%);
    --gradient-subtle: linear-gradient(180deg, #ffffff 0%, #f9fafb 100%);
    
    /* === Typography === */
    /* Font Families */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Font Sizes */
    --text-xs: 0.75rem;    /* 12px */
    --text-sm: 0.875rem;   /* 14px */
    --text-base: 1rem;     /* 16px */
    --text-lg: 1.125rem;   /* 18px */
    --text-xl: 1.25rem;    /* 20px */
    --text-2xl: 1.5rem;    /* 24px */
    --text-3xl: 1.875rem;  /* 30px */
    --text-4xl: 2.25rem;   /* 36px */
    --text-5xl: 3rem;      /* 48px */
    --text-6xl: 3.75rem;   /* 60px */
    --text-7xl: 4.5rem;    /* 72px */
    --text-8xl: 6rem;      /* 96px */
    --text-9xl: 8rem;      /* 128px */
    
    /* Font Weights */
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;
    
    /* Line Heights */
    --leading-none: 1;
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;
    
    /* Letter Spacing */
    --tracking-tighter: -0.05em;
    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.025em;
    --tracking-wider: 0.05em;
    --tracking-widest: 0.1em;
    
    /* === Spacing Scale === */
    --space-0: 0;
    --space-1: 0.25rem;    /* 4px */
    --space-2: 0.5rem;     /* 8px */
    --space-3: 0.75rem;    /* 12px */
    --space-4: 1rem;       /* 16px */
    --space-5: 1.25rem;    /* 20px */
    --space-6: 1.5rem;     /* 24px */
    --space-8: 2rem;       /* 32px */
    --space-10: 2.5rem;    /* 40px */
    --space-12: 3rem;      /* 48px */
    --space-16: 4rem;      /* 64px */
    --space-20: 5rem;      /* 80px */
    --space-24: 6rem;      /* 96px */
    --space-32: 8rem;      /* 128px */
    
    /* === Border Radius === */
    --radius-none: 0;
    --radius-sm: 0.25rem;     /* 4px */
    --radius-base: 0.375rem;  /* 6px */
    --radius-md: 0.5rem;      /* 8px */
    --radius-lg: 0.75rem;     /* 12px */
    --radius-xl: 1rem;        /* 16px */
    --radius-2xl: 1.5rem;     /* 24px */
    --radius-3xl: 2rem;       /* 32px */
    --radius-full: 9999px;
    
    /* === Shadows === */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    
    /* === Transitions === */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
    --transition-slower: 500ms ease-in-out;
    
    /* === Z-Index Scale === */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;

    /* === Container === */
    --container-max: 1400px; /* Default, will be overridden by admin setting */
    --container-padding: var(--space-6);
    
    /* === Breakpoints === */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1536px;
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: 8px;
    z-index: 10000;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}

/* ============================================
   BASE STYLES
   ============================================ */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: var(--font-normal);
    line-height: var(--leading-normal);
    color: var(--color-gray-700);
    background-color: #F8FAFC;
    min-height: 100vh;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
    letter-spacing: var(--tracking-tight);
}

h1 { 
    font-size: var(--text-6xl); 
    font-weight: var(--font-extrabold);
    letter-spacing: var(--tracking-tighter);
}
h2 { 
    font-size: var(--text-5xl); 
    font-weight: var(--font-extrabold);
}
h3 { 
    font-size: var(--text-4xl); 
    font-weight: var(--font-bold);
}
h4 { 
    font-size: var(--text-3xl); 
    font-weight: var(--font-bold);
}
h5 { 
    font-size: var(--text-2xl); 
    font-weight: var(--font-semibold);
}
h6 { 
    font-size: var(--text-xl); 
    font-weight: var(--font-semibold);
}

p {
    margin-bottom: var(--space-4);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    line-height: var(--leading-none);
    text-align: center;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    border-color: transparent;
    box-shadow: 0 4px 14px 0 rgba(79, 70, 229, 0.39);
}

.btn--primary:hover {
    background: linear-gradient(135deg, #4338CA, #6D28D9);
    color: #FFFFFF !important;
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(79, 70, 229, 0.35);
}

.btn--primary:active {
    transform: translateY(0);
}

.btn--secondary {
    background: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 2px 8px 0 rgba(79, 70, 229, 0.1);
}

.btn--secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px 0 rgba(79, 70, 229, 0.2);
}

.btn--accent {
    background: var(--gradient-accent);
    color: var(--color-white);
    border-color: transparent;
    box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.39);
}

.btn--accent:hover {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(16, 185, 129, 0.23);
}

.btn--outline {
    background: #FFFFFF;
    color: #4F46E5;
    border: 2px solid #4F46E5;
}

.btn--outline:hover {
    background: linear-gradient(135deg, #4F46E5, #7C3AED);
    color: #FFFFFF !important;
    border-color: #4F46E5;
    transform: translateY(-2px);
}

.btn--ghost {
    background: transparent;
    color: var(--color-gray-700);
    border-color: transparent;
}

.btn--ghost:hover {
    background: var(--color-gray-100);
    transform: translateY(-1px);
}

.btn--sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

.btn--lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
}

.btn--large {
    padding: var(--space-5) var(--space-10);
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
}

.btn--block {
    display: flex;
    width: 100%;
}

/* ============================================
   CARDS
   ============================================ */

.card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    transform: translateY(-8px);
    border-color: var(--color-primary-light);
}

.card--borderless {
    border: none;
}

.card--elevated {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.card--dark {
    background: var(--color-gray-900);
    border-color: var(--color-gray-700);
    color: var(--color-gray-100);
}

.card--dark:hover {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* ============================================
   BADGES
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    line-height: var(--leading-none);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

.badge--primary {
    background: var(--color-primary);
    color: var(--color-white);
}

.badge--secondary {
    background: var(--color-secondary);
    color: var(--color-white);
}

.badge--accent {
    background: var(--color-accent);
    color: var(--color-white);
}

.badge--success {
    background: var(--color-success);
    color: var(--color-white);
}

.badge--warning {
    background: var(--color-warning);
    color: var(--color-white);
}

.badge--error {
    background: var(--color-error);
    color: var(--color-white);
}

.badge--outline {
    background: transparent;
    border: 1px solid var(--color-gray-300);
    color: var(--color-gray-700);
}

/* ============================================
   ALERTS
   ============================================ */

.alert {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    border-left: 4px solid;
    margin-bottom: var(--space-4);
}

.alert--success {
    background: var(--color-gray-50);
    border-color: var(--color-success);
    color: var(--color-gray-800);
}

.alert--warning {
    background: var(--color-gray-50);
    border-color: var(--color-warning);
    color: var(--color-gray-800);
}

.alert--error {
    background: var(--color-gray-50);
    border-color: var(--color-error);
    color: var(--color-gray-800);
}

.alert--info {
    background: var(--color-gray-50);
    border-color: var(--color-info);
    color: var(--color-gray-800);
}

/* ============================================
   FORMS
   ============================================ */

.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-gray-700);
    margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    font-family: var(--font-primary);
    color: var(--color-gray-900);
    background: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-gray-400);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-hint {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-gray-500);
    margin-top: var(--space-1);
}

.form-error {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-error);
    margin-top: var(--space-1);
}

/* ============================================
   SECTION TITLES
   ============================================ */

.section {
    padding: var(--space-20) 0;
}

.section__header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.section__badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--color-primary);
    background: var(--color-gray-100);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    margin-bottom: var(--space-3);
}

.section__title {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
}

.section__description {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   CONTAINER
   ============================================ */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.container--sm {
    max-width: 640px;
}

.container--md {
    max-width: 768px;
}

.container--lg {
    max-width: 1024px;
}

.container--xl {
    max-width: 1280px;
}

/* ============================================
   RESPONSIVE CONTAINER WIDTHS
   ============================================ */

@media (max-width: 1920px) {
    .container {
        max-width: var(--container-max);
    }
}

@media (max-width: 1440px) {
    .container {
        max-width: calc(var(--container-max) * 0.857);
    }
}

@media (max-width: 1280px) {
    .container {
        max-width: calc(var(--container-max) * 0.786);
    }
}

@media (max-width: 1024px) {
    .container {
        max-width: 100%;
        padding: 0 var(--space-5, 20px);
    }
}

@media (max-width: 768px) {
    .container {
        max-width: 100%;
        padding: 0 var(--space-4, 16px);
    }
}

@media (max-width: 480px) {
    .container {
        max-width: 100%;
        padding: 0 var(--space-3, 12px);
    }
}

/* ============================================
   ICONS
   ============================================ */

.icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    vertical-align: middle;
}

.icon--sm {
    width: 16px;
    height: 16px;
}

.icon--md {
    width: 20px;
    height: 20px;
}

.icon--lg {
    width: 32px;
    height: 32px;
}

.icon--xl {
    width: 48px;
    height: 48px;
}

svg {
    display: inline-block;
    vertical-align: middle;
    width: 24px;
    height: 24px;
    max-width: 24px;
    max-height: 24px;
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(5px);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.animate-fadeIn {
    animation: fadeIn 0.5s ease-in-out;
}

.animate-fadeInUp {
    animation: fadeInUp 0.5s ease-in-out;
}

.animate-fadeInDown {
    animation: fadeInDown 0.5s ease-in-out;
}

.animate-slideInLeft {
    animation: slideInLeft 0.5s ease-in-out;
}

.animate-slideInRight {
    animation: slideInRight 0.5s ease-in-out;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

.animate-bounce {
    animation: bounce 1s ease-in-out infinite;
}

.animate-shake {
    animation: shake 0.5s ease-in-out;
}

.animate-scaleIn {
    animation: scaleIn 0.3s ease-out;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

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

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-accent { color: var(--color-accent); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }
.text-muted { color: var(--color-gray-500); }

.bg-primary { background: var(--color-primary); }
.bg-secondary { background: var(--color-secondary); }
.bg-accent { background: var(--color-accent); }
.bg-light { background: var(--color-gray-100); }
.bg-dark { background: var(--color-gray-900); }

.font-bold { font-weight: var(--font-bold); }
.font-semibold { font-weight: var(--font-semibold); }
.font-medium { font-weight: var(--font-medium); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }

.p-0 { padding: 0; }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }

.hidden { display: none !important; }
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }

.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }

.justify-center { justify-content: center; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }

.rounded { border-radius: var(--radius-base); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow { box-shadow: var(--shadow-base); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* ============================================
   TOAST NOTIFICATION
   ============================================ */

.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--color-success);
    color: var(--color-white);
    padding: 12px 24px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 12px;
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.toast--visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.toast--success {
    background: linear-gradient(135deg, #10B981, #059669);
}

.toast--error {
    background: linear-gradient(135deg, #EF4444, #DC2626);
}

.toast--warning {
    background: linear-gradient(135deg, #F59E0B, #D97706);
}

.toast--info {
    background: linear-gradient(135deg, #3B82F6, #2563EB);
}

.toast__icon {
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-bold);
    flex-shrink: 0;
}

.toast__message {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
}

/* ============================================
   PREMIUM NEWSLETTER COMPONENT
   ============================================ */

.premium-newsletter {
    padding: 80px 20px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.premium-newsletter::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.premium-newsletter--compact {
    padding: 50px 20px;
}

.premium-newsletter__container {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

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

.premium-newsletter__title {
    font-size: 2.5rem;
    font-weight: var(--font-bold);
    color: var(--color-white);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.premium-newsletter__subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 52px;
    font-weight: var(--font-normal);
    line-height: 1.5;
}

.premium-newsletter__form {
    display: flex;
    flex-direction: column;
    gap: 32px;
    align-items: center;
}

.premium-newsletter__input-group {
    width: 100%;
}

.premium-newsletter__input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.premium-newsletter__input-icon {
    position: absolute;
    left: 20px;
    width: 20px;
    height: 20px;
    color: rgba(255, 255, 255, 0.6);
    pointer-events: none;
    transition: color 0.3s ease;
}

.premium-newsletter__input {
    width: 100%;
    height: 58px;
    padding: 0 24px 0 56px;
    font-size: 1.0625rem;
    font-weight: var(--font-medium);
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.15);
    border: 1.5px solid rgba(255, 255, 255, 0.35);
    border-radius: 16px;
    outline: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.premium-newsletter__input::placeholder {
    color: rgba(255, 255, 255, 0.75);
}

.premium-newsletter__input:focus {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.15), 0 8px 30px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.premium-newsletter__input:focus + .premium-newsletter__input-icon {
    color: rgba(255, 255, 255, 0.8);
}

.premium-newsletter__categories {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
}

.premium-newsletter__category {
    flex: 1;
    min-width: 280px;
    padding: 22px 26px;
    background: rgba(255, 255, 255, 0.12);
    border: 1.5px solid rgba(255, 255, 255, 0.25);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    outline: none;
    position: relative;
}

.premium-newsletter__category:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.premium-newsletter__category-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
    outline: none;
}

.premium-newsletter__category-content {
    flex: 1;
    text-align: left;
}

.premium-newsletter__category-text {
    display: block;
    font-size: 1.0625rem;
    font-weight: var(--font-semibold);
    color: var(--color-white);
    margin-bottom: 6px;
}

.premium-newsletter__category-sub {
    display: block;
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.4;
}

.premium-newsletter__category-check {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    flex-shrink: 0;
    transition: all 0.3s ease;
    position: relative;
}

.premium-newsletter__category-input:checked + .premium-newsletter__category-content + .premium-newsletter__category-check {
    background: var(--color-white);
    border-color: var(--color-white);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.5);
    outline: none;
}

.premium-newsletter__category-input:checked + .premium-newsletter__category-content + .premium-newsletter__category-check::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
}

.premium-newsletter__category-input:checked ~ .premium-newsletter__category-content {
    color: var(--color-white);
}

.premium-newsletter__category-input:checked ~ .premium-newsletter__category-content + .premium-newsletter__category-check {
    transform: scale(1.1);
    outline: none;
}

.premium-newsletter__category-input:focus-visible + .premium-newsletter__category-content {
    outline: none;
}

.premium-newsletter__category:focus-within {
    outline: none;
}

.premium-newsletter__category:focus-within::after {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 20px;
    pointer-events: none;
}

.premium-newsletter__button {
    width: 100%;
    max-width: 380px;
    height: 58px;
    padding: 0 32px;
    font-size: 1.0625rem;
    font-weight: var(--font-bold);
    color: var(--color-primary);
    background: var(--color-white);
    border: none;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.premium-newsletter__button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.premium-newsletter__button:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 35px rgba(79, 70, 229, 0.25);
    animation: pulse 2s ease-in-out infinite;
}

.premium-newsletter__button:hover::before {
    opacity: 1;
}

.premium-newsletter__button:hover .premium-newsletter__button-text {
    color: var(--color-white);
}

.premium-newsletter__button:active {
    transform: translateY(-1px) scale(1.01);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.2);
}

.premium-newsletter__button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.premium-newsletter__button-text {
    position: relative;
    z-index: 1;
}

.premium-newsletter__button-spinner {
    position: relative;
    z-index: 1;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.premium-newsletter__privacy {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 28px;
    line-height: 1.4;
}

.premium-newsletter__privacy-icon {
    width: 16px;
    height: 16px;
}

/* Success State */
.premium-newsletter__success {
    text-align: center;
    animation: fadeIn 0.5s ease-out;
}

.premium-newsletter__success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    animation: scaleIn 0.5s ease-out;
}

.premium-newsletter__success-icon svg {
    width: 40px;
    height: 40px;
}

.premium-newsletter__success-title {
    font-size: 2rem;
    font-weight: var(--font-bold);
    color: var(--color-white);
    margin-bottom: 12px;
}

.premium-newsletter__success-message {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 32px;
}

.premium-newsletter__return-btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: var(--font-semibold);
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.premium-newsletter__return-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

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

@keyframes scaleIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* Responsive Design */
@media (min-width: 1200px) {
    .premium-newsletter__container {
        max-width: 1100px;
    }
}

@media (min-width: 992px) and (max-width: 1199px) {
    .premium-newsletter__container {
        max-width: 900px;
    }
}

@media (min-width: 768px) and (max-width: 991px) {
    .premium-newsletter__container {
        max-width: 700px;
    }
}

@media (max-width: 768px) {
    .premium-newsletter {
        padding: 60px 16px;
    }

    .premium-newsletter--compact {
        padding: 40px 16px;
    }

    .premium-newsletter__container {
        max-width: 100%;
        width: 95%;
    }

    .premium-newsletter__title {
        font-size: 2rem;
    }

    .premium-newsletter__subtitle {
        font-size: 1rem;
    }

    .premium-newsletter__categories {
        flex-direction: column;
    }

    .premium-newsletter__category {
        min-width: 100%;
    }

    .premium-newsletter__input,
    .premium-newsletter__button {
        height: 50px;
    }
}

@media (max-width: 480px) {
    .premium-newsletter__container {
        width: 95%;
    }

    .premium-newsletter__title {
        font-size: 1.75rem;
    }

    .premium-newsletter__subtitle {
        font-size: 0.9375rem;
    }

    .premium-newsletter__category-text {
        font-size: 0.9375rem;
    }

    .premium-newsletter__category-sub {
        font-size: 0.8125rem;
    }
}

/* Accessibility */
.premium-newsletter__input:focus-visible,
.premium-newsletter__button:focus-visible,
.premium-newsletter__category:focus-within {
    outline: 2px solid var(--color-white);
    outline-offset: 2px;
}

.premium-newsletter__category-input:focus + .premium-newsletter__category-content {
    outline: 2px solid var(--color-white);
    outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .premium-newsletter__category,
    .premium-newsletter__button,
    .premium-newsletter__input,
    .premium-newsletter__return-btn {
        transition: none;
    }

    .premium-newsletter__button-spinner {
        animation: none;
    }

    .premium-newsletter__success,
    .premium-newsletter__success-icon {
        animation: none;
    }
}