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

:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --secondary: #ec4899;
    --dark: #0f172a;
    --light: #f8fafc;
    --gray: #64748b;
    --glass: rgba(255, 255, 255, 0.7);
    --glass-dark: rgba(15, 23, 42, 0.8);
    --rounded-xl: 1rem;
    --rounded-2xl: 1.5rem;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --gradient: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

@keyframes slideUp {
    from { transform: translateY(30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.fadeIn { animation: fadeIn 0.8s ease-out forwards; }
.slideUp { animation: slideUp 0.8s ease-out forwards; }

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background: var(--glass);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: color 0.3s;
}

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

.btn {
    padding: 0.8rem 1.8rem;
    border-radius: var(--rounded-xl);
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    display: inline-block;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: white;
}

/* Hero Section */
.hero {
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem 5%;
    background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.1), transparent),
                radial-gradient(circle at bottom left, rgba(236, 72, 153, 0.1), transparent);
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-content h1 span {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

/* Categories Section */
.section {
    padding: 5rem 5%;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.grid-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.category-card {
    background: white;
    padding: 2rem;
    border-radius: var(--rounded-2xl);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: var(--shadow);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.category-card i {
    font-size: 2.5rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
}

.category-card:hover {
    transform: translateY(-10px);
    background: var(--gradient);
    color: white;
}

.category-card:hover i {
    -webkit-text-fill-color: white;
}

/* Task Cards */
.grid-tasks {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.task-card {
    background: white;
    border-radius: var(--rounded-2xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
    position: relative;
    border: 1px solid rgba(0,0,0,0.05);
}

.task-card:hover {
    transform: scale(1.02);
}

.task-header {
    padding: 1.5rem;
    border-bottom: 1px solid #f1f5f9;
}

.task-badge {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.task-body {
    padding: 1.5rem;
}

.task-footer {
    padding: 1rem 1.5rem;
    background: #f8fafc;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Forms */
.auth-container {
    max-width: 450px;
    margin: 5rem auto;
    background: white;
    padding: 3rem;
    border-radius: var(--rounded-2xl);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0,0,0,0.05);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.8rem 1rem;
    border-radius: var(--rounded-xl);
    border: 1px solid #e2e8f0;
    outline: none;
    transition: border-color 0.3s;
}

.form-control:focus {
    border-color: var(--primary);
}

/* Dashboard Layout */
.dashboard-container {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: white;
    padding: 2rem;
    border-right: 1px solid #f1f5f9;
}

.sidebar-menu {
    list-style: none;
    margin-top: 3rem;
}

.sidebar-menu li {
    margin-bottom: 1rem;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: var(--rounded-xl);
    text-decoration: none;
    color: var(--gray);
    transition: all 0.3s;
}

.sidebar-menu a.active, .sidebar-menu a:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
}

.main-content {
    padding: 3rem;
    background: #f8fafc;
}

/* Messages */
.chat-box {
    height: 500px;
    background: white;
    border-radius: var(--rounded-2xl);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.chat-header {
    padding: 1.5rem;
    background: white;
    border-bottom: 1px solid #f1f5f9;
}

.chat-messages {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.message {
    max-width: 70%;
    padding: 1rem 1.5rem;
    border-radius: 1.2rem;
    position: relative;
}

.message.sent {
    align-self: flex-end;
    background: var(--primary);
    color: white;
    border-bottom-right-radius: 0.2rem;
}

.message.received {
    align-self: flex-start;
    background: #f1f5f9;
    border-bottom-left-radius: 0.2rem;
}

.chat-footer {
    padding: 1.5rem;
    border-top: 1px solid #f1f5f9;
}

/* Footer */
footer {
    background: var(--dark);
    color: white;
    padding: 5rem 5% 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-logo {
    color: white;
    text-decoration: none;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    display: block;
}

.footer-links h4 {
    margin-bottom: 1.5rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: white;
}

@media (max-width: 768px) {
    .dashboard-container {
        grid-template-columns: 1fr;
    }
    .sidebar {
        display: none;
    }
    .hero-content h1 {
        font-size: 2.5rem;
    }
    nav {
        padding: 1rem 5%;
    }
    .nav-links {
        display: none;
    }
}