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

:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --accent: #8b5cf6;
    --success: #10b981;
    --danger: #ef4444;
    --border: #334155;
    --hero-gradient-center: #1e1b4b;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; padding: 0; margin: 0; }
* { box-sizing: border-box; }

/* --- NAVBAR --- */
.navbar {
    background-color: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(10px);
    height: 70px;
    padding: 0 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: padding 0.3s ease, background-color 0.3s ease;
}

.navbar.scrolled {
    padding: 10px 5%;
    background-color: rgba(15, 23, 42, 0.95);
}

.logo { 
    font-size: 1.5rem; 
    font-weight: 700; 
    background: linear-gradient(45deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links { display: flex; gap: 20px; }
.nav-links a { color: var(--text-muted); font-weight: 500; padding: 5px 10px; border-radius: 5px; }
.nav-links a:hover { color: var(--primary); background: rgba(255,255,255,0.05); }
.nav-links a.active { color: var(--primary); background: rgba(99, 102, 241, 0.1); }

.hamburger { display: none; font-size: 1.5rem; cursor: pointer; color: var(--text-color); }

.user-info { display: flex; align-items: center; gap: 15px; }
.avatar { width: 35px !important; height: 35px !important; border-radius: 50%; object-fit: cover; border: 2px solid var(--primary); }

/* --- BUTTONS --- */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-align: center;
    justify-content: center;
}

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

.btn-secondary { background-color: var(--card-bg); color: var(--text-color); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--primary); }

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

.btn-sm { padding: 5px 10px; font-size: 0.85rem; }

/* --- FORMS --- */
.form-control {
    width: 100%;
    padding: 10px;
    border-radius: 5px;
    border: 1px solid var(--border);
    background: var(--bg-color);
    color: var(--text-color);
    margin-bottom: 10px;
}
.form-group { margin-bottom: 15px; }
.form-group label { display: block; margin-bottom: 5px; color: var(--text-muted); }

/* --- FOOTER --- */
.footer {
    background-color: var(--card-bg);
    padding: 60px 5% 20px;
    margin-top: 80px;
    border-top: 1px solid var(--border);
}
.footer-content { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; margin-bottom: 40px; }
.footer-section h3 { color: var(--primary); margin-bottom: 20px; font-size: 1.2rem; }
.footer-section p, .footer-section a { color: var(--text-muted); font-size: 0.9rem; display: block; margin-bottom: 10px; }
.footer-section a:hover { color: var(--primary); }
.social-links { display: flex; gap: 15px; }
.social-icon { font-size: 1.5rem; color: var(--text-muted); transition: 0.3s; }
.social-icon:hover { color: var(--primary); transform: translateY(-3px); }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid var(--border); color: var(--text-muted); font-size: 0.85rem; }

/* --- MODALS --- */
.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}
.modal-content {
    background: var(--card-bg);
    margin: 10% auto;
    padding: 30px;
    border: 1px solid var(--border);
    width: 90%;
    max-width: 500px;
    border-radius: 15px;
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.close-modal { position: absolute; top: 15px; right: 20px; color: var(--text-muted); font-size: 24px; cursor: pointer; }
.close-modal:hover { color: var(--danger); }

/* --- NOTIFICATIONS & USER MENU --- */
.notif-wrapper { position: relative; margin-right: 15px; }
.notif-icon-box { position: relative; cursor: pointer; font-size: 1.2rem; color: var(--text-muted); }
.notif-badge { position: absolute; top: -5px; right: -5px; background: var(--danger); color: white; font-size: 0.7rem; padding: 2px 5px; border-radius: 50%; }

.user-menu-container { position: relative; display: inline-block; }
.user-avatar-trigger { cursor: pointer; display: flex; align-items: center; gap: 10px; padding: 5px; border-radius: 8px; transition: 0.2s; }
.user-avatar-trigger:hover { background: rgba(255,255,255,0.05); }

.notif-dropdown, .user-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    margin-top: 10px;
    right: 0;
    width: 300px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    z-index: 1001;
    animation: slideDown 0.2s ease;
}
.user-dropdown { width: 200px; }

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .hamburger { display: block; }
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--card-bg);
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border);
    }
    .nav-links.active { display: flex; }
}

/* --- UTILS --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.success-msg { background: rgba(16, 185, 129, 0.2); color: var(--success); padding: 10px; border-radius: 5px; border: 1px solid var(--success); margin-bottom: 15px; }
.error-msg { background: rgba(239, 68, 68, 0.2); color: var(--danger); padding: 10px; border-radius: 5px; border: 1px solid var(--danger); margin-bottom: 15px; }