@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&family=Tajawal:wght@400;500;700;900&display=swap');

:root {
    /* Prime Colors - HSL for dynamism */
    --p-h: 239;
    --p-s: 84%;
    --p-l: 67%;
    
    --primary: hsl(var(--p-h), var(--p-s), var(--p-l));
    --primary-glow: hsla(var(--p-h), var(--p-s), var(--p-l), 0.35);
    --primary-dark: hsl(var(--p-h), var(--p-s), 55%);
    --primary-light: hsl(var(--p-h), var(--p-s), 75%);
    
    --secondary: #10b981;
    --secondary-glow: rgba(16, 185, 129, 0.25);
    --accent: #f59e0b;
    --accent-glow: rgba(245, 158, 11, 0.25);
    
    /* Backgrounds */
    --bg-main: #060912;
    --bg-darker: #02040a;
    --surface: rgba(15, 23, 42, 0.6);
    --surface-hover: rgba(30, 41, 59, 0.8);
    
    /* Text */
    --text: #f8fafc;
    --text-dim: #94a3b8;
    --text-muted: #64748b;
    --text-light: #cbd5e1;
    
    /* Effects */
    --border: rgba(255, 255, 255, 0.05);
    --border-bright: rgba(255, 255, 255, 0.12);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.2);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    
    /* Transitions */
    --tr-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --tr-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --tr-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --tr-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-darker);
}

::-webkit-scrollbar-thumb {
    background: var(--border-bright);
    border-radius: 99px;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text);
    font-family: 'Tajawal', 'Outfit', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Background Effects */
.bg-mesh {
    position: fixed;
    inset: 0;
    z-index: -2;
    overflow: hidden;
    pointer-events: none;
}

.bg-mesh::after {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 30%, rgba(99, 102, 241, 0.15) 0%, transparent 40%),
                radial-gradient(circle at 70% 20%, rgba(168, 85, 247, 0.12) 0%, transparent 35%),
                radial-gradient(circle at 50% 80%, rgba(16, 185, 129, 0.1) 0%, transparent 40%),
                radial-gradient(circle at 80% 60%, rgba(245, 158, 11, 0.08) 0%, transparent 30%),
                radial-gradient(circle at 20% 70%, rgba(236, 72, 153, 0.05) 0%, transparent 30%);
    animation: rotateMesh 30s linear infinite;
    filter: blur(60px);
}

@keyframes rotateMesh {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.bg-grid {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: -1;
    mask-image: radial-gradient(circle at center, black 20%, transparent 80%);
    pointer-events: none;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: rgba(6, 9, 18, 0.4);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 4rem;
    transition: var(--tr-normal);
}

nav.scrolled {
    height: 65px;
    background: rgba(6, 9, 18, 0.85);
    border-bottom-color: var(--border-bright);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text);
    font-size: 1.6rem;
    font-weight: 800;
    font-family: 'Outfit', 'Tajawal', sans-serif;
}

.nav-logo i {
    font-size: 1.8rem;
    color: var(--primary);
    filter: drop-shadow(0 0 8px var(--primary-glow));
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dim);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--tr-fast);
    position: relative;
    padding: 6px 0;
}

.nav-links a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--primary), var(--primary-light));
    transition: var(--tr-normal);
    border-radius: 99px;
}

.nav-links a:hover {
    color: var(--primary-light);
}

.nav-links a:hover::after, .nav-links a.active::after {
    width: 100%;
}

.nav-links a.active {
    color: var(--text);
    font-weight: 700;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.points-card {
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent);
    padding: 0.4rem 1rem;
    border-radius: 99px;
    border: 1px solid rgba(245, 158, 11, 0.2);
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 0.9rem;
}

#nav-pomo-badge {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    padding: 0.5rem 1.2rem;
    border-radius: 14px;
    font-weight: 800;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid rgba(239, 68, 68, 0.2);
    text-decoration: none;
    transition: var(--tr-normal);
}

#nav-pomo-badge:hover {
    background: rgba(239, 68, 68, 0.2);
    transform: scale(1.05);
}

/* Glass Components */
.glass-card {
    background: var(--surface);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-bright);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: var(--tr-normal);
}

.glass-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.glass-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, transparent 100%);
    pointer-events: none;
    z-index: 1;
}

.glass-card > * {
    position: relative;
    z-index: 2;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 0.85rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--tr-spring);
    border: 1px solid transparent;
    text-decoration: none;
    font-family: inherit;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 8px 20px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 28px var(--primary-glow);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-bright);
    color: var(--text);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* Typography Utilities */
.highlight {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 900;
}

.text-gradient {
    background: linear-gradient(to bottom right, #fff 30%, var(--text-dim) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: 0.6s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.confetti {
    position: fixed;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    z-index: 9999;
    pointer-events: none;
}

/* Toast System */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-bright);
    color: white;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 10000;
    transform: translateX(120%);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast.show {
    transform: translateX(0);
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2.5rem;
}

/* RTL Adjustments */
[dir="rtl"] .nav-logo { font-family: 'Tajawal', sans-serif; }
[dir="rtl"] .toast { right: auto; left: 2rem; transform: translateX(-120%); }
[dir="rtl"] .toast.show { transform: translateX(0); }

/* Responsive */
@media (max-width: 1024px) {
    nav { padding: 0 2rem; }
    .nav-links { gap: 1.5rem; }
}

@media (max-width: 768px) {
    nav { padding: 0 1.5rem; }
    .nav-links { display: none; }
    .nav-user span { display: none; }
    .container { padding: 0 1.5rem; }
}