/*
============================================
KHALIWORK PREMIUM DESIGN SYSTEM
Modern Color Palette, Typography & Glassmorphism
============================================
*/

/* ===========================
   1. DESIGN TOKENS & VARIABLES
   =========================== */
:root {
    /* Primary Colors - Emerald Green for Growth */
    --color-primary: #1DBF73;
    --color-primary-hover: #19A463;
    --color-primary-light: #E8F5F1;
    --color-primary-dark: #0D9F5A;

    /* Surface Colors - Professional Contrast */
    --color-surface-dark: #121212;
    --color-surface-navy: #1A1F2C;
    --color-surface-charcoal: #222325;

    /* Neutral Colors - Eye Strain Reduction */
    --color-neutral-50: #F4F7F6;
    --color-neutral-100: #E4E5E7;
    --color-neutral-200: #D1D3D6;
    --color-neutral-300: #95979D;
    --color-neutral-400: #74767E;
    --color-neutral-500: #62646A;
    --color-neutral-600: #404145;
    --color-neutral-700: #222325;

    /* Semantic Colors */
    --color-success: #1DBF73;
    --color-warning: #FF9800;
    --color-error: #FF4444;
    --color-info: #0066CC;

    /* Typography Scale */
    --font-family-heading: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-family-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-family-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Font Weights */
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    /* Font Sizes - Fluid Typography */
    --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --font-size-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
    --font-size-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --font-size-lg: clamp(1.125rem, 1rem + 0.625vw, 1.5rem);
    --font-size-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.875rem);
    --font-size-2xl: clamp(1.5rem, 1.3rem + 1vw, 2.25rem);
    --font-size-3xl: clamp(1.875rem, 1.6rem + 1.375vw, 3rem);

    /* Spacing Scale */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Glassmorphism */
    --glass-blur: 12px;
    --glass-opacity: 0.8;
    --glass-border: rgba(255, 255, 255, 0.18);
}

/* ===========================
   2. GLOBAL TYPOGRAPHY
   =========================== */
body {
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
    color: var(--color-neutral-600);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6,
.heading {
    font-family: var(--font-family-heading);
    color: var(--color-neutral-700);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 {
    font-size: var(--font-size-3xl);
}

h2 {
    font-size: var(--font-size-2xl);
}

h3 {
    font-size: var(--font-size-xl);
}

h4 {
    font-size: var(--font-size-lg);
}

h5 {
    font-size: var(--font-size-base);
}

h6 {
    font-size: var(--font-size-sm);
}

/* ===========================
   3. GLASSMORPHISM COMPONENTS
   =========================== */
.glass-header,
.glass-sidebar,
.glass-card {
    background: rgba(255, 255, 255, var(--glass-opacity));
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-lg);
}

.glass-dark {
    background: rgba(26, 31, 44, 0.85);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Navbar Glassmorphism */
.navbar-area.glass-effect {
    background: rgba(255, 255, 255, 0.9) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

/* Sidebar Glassmorphism */
.profile-sidebar.glass-effect {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

/* ===========================
   4. MODERN BUTTON SYSTEM
   =========================== */
.btn-modern {
    font-family: var(--font-family-body);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-md);
    padding: 0.625rem 1.25rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-modern-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(29, 191, 115, 0.3);
}

.btn-modern-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(29, 191, 115, 0.4);
}

.btn-modern-outline {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.btn-modern-outline:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-2px);
}

/* ===========================
   5. CARD COMPONENTS
   =========================== */
.card-modern {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-neutral-100);
    transition: all 0.3s ease;
}

.card-modern:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.card-modern-header {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-neutral-700);
    margin-bottom: var(--spacing-md);
}

/* ===========================
   6. UTILITY CLASSES
   =========================== */
.text-primary {
    color: var(--color-primary) !important;
}

.text-neutral-600 {
    color: var(--color-neutral-600) !important;
}

.text-neutral-700 {
    color: var(--color-neutral-700) !important;
}

.bg-primary {
    background-color: var(--color-primary) !important;
}

.bg-neutral-50 {
    background-color: var(--color-neutral-50) !important;
}

.font-heading {
    font-family: var(--font-family-heading) !important;
}

.font-body {
    font-family: var(--font-family-body) !important;
}

.fw-medium {
    font-weight: var(--font-weight-medium) !important;
}

.fw-semibold {
    font-weight: var(--font-weight-semibold) !important;
}

.fw-bold {
    font-weight: var(--font-weight-bold) !important;
}

/* ===========================
   7. RESPONSIVE DESIGN
   =========================== */
@media (max-width: 768px) {
    :root {
        --glass-blur: 8px;
    }

    .glass-header,
    .glass-sidebar {
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
    }
}

/* ===========================
   8. SMOOTH SCROLLING
   =========================== */
html {
    scroll-behavior: smooth;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-neutral-50);
}

::-webkit-scrollbar-thumb {
    background: var(--color-neutral-300);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* ===========================
   9. FOCUS STATES
   =========================== */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}