/* GLOBAL SETTINGS */
body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background-color: #0f172a;
    color: white;
}

/* NAVBAR */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
    background: #020617;
    border-bottom: 1px solid #1e293b;
}

.notification {
    background: #1e293b;
    color: #f8fafc;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    min-width: 250px;
}

.logo {
    font-size: 22px;
    font-weight: 700;
}
.nav-links a {
    margin-left: 20px;
    text-decoration: none;
    color: white;
    font-weight: 500;
}
.nav-links a:hover {
    color: #6366f1;
}

/* CONTAINER LAYOUT */
.container {
    display: flex;
    height: calc(100vh - 60px); /* full height minus navbar */
}

/* SIDEBAR */
.sidebar {
    width: 250px;
    background: #020617;
    border-right: 1px solid #1e293b;
    padding: 20px;
    display: flex;
    flex-direction: column;
}
.sidebar-title {
    font-weight: 600;
    margin-bottom: 20px;
}
.empty-chat {
    color: #64748b;
    text-align: center;
    margin-top: 100px;
}

/* HERO SECTION */
.hero {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
}

.hero h1 {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(90deg, #818cf8, #c084fc);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
    margin: 0;
}

.hero p {
    color: #94a3b8;
    font-size: 18px;
    margin-top: 15px;
}

/* BUTTONS */
.btn {
    padding: 12px 25px;
    border-radius: 8px;
    text-decoration: none;
    margin: 10px;
    display: inline-block;
    font-weight: 500;
    transition: 0.2s;
}
.btn-primary {
    background: #6366f1;
    color: white;
}
.btn-primary:hover {
    background: #4f46e5;
}
.btn-outline {
    border: 1px solid #334155;
    color: white;
}
.btn-outline:hover {
    background: #1e293b;
}

/* FORM INPUTS */
input[type="text"],
input[type="password"],
input[type="email"] {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #334155;
    background: #0f172a;
    color: white;
    margin-bottom: 15px;
}
input::placeholder {
    color: #64748b;
}

.notification{
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: 6px;
    color: white;
    font-weight: 500;
    z-index: 1000;
}

.notification.error{
    background: #ef4444;
}

.notification.success{
    background: #22c55e;
}