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

body {
    background: #0f172a;
    color: #e2e8f0;
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
}

.wrapper {
    width: 100%;
    min-height: 100vh;
}

.site-header {
    background: #111827;
    border-bottom: 1px solid #1e293b;
    padding: 30px;
}

.branding h1 {
    font-size: 32px;
    margin-bottom: 10px;
}

.branding p {
    color: #94a3b8;
}

.main-nav {
    background: #0b1220;
    border-bottom: 1px solid #1e293b;
    padding: 15px 30px;
}

.main-nav a {
    color: #cbd5e1;
    text-decoration: none;
    margin-right: 20px;
    font-size: 15px;
}

.main-nav a:hover {
    color: #ffffff;
}

.hero {
    max-width: 1100px;
    margin: 0 auto;
    padding: 60px 30px;
}

.hero-content h2 {
    font-size: 42px;
    margin-bottom: 25px;
}

.hero-content p {
    margin-bottom: 20px;
    color: #cbd5e1;
}

.info-box,
.login-box,
.card,
.auth-box {
    background: #111827;
    border: 1px solid #1e293b;
    padding: 25px;
    margin-top: 30px;
}

.info-box h3,
.login-box h3,
.card h3 {
    margin-bottom: 15px;
}

.info-box ul {
    margin-left: 20px;
}

.button,
button {
    display: inline-block;
    background: #2563eb;
    color: white;
    text-decoration: none;
    border: none;
    padding: 12px 18px;
    cursor: pointer;
    margin-top: 15px;
}

.button:hover,
button:hover {
    background: #1d4ed8;
}

.auth-container {
    display: flex;
    justify-content: center;
    padding: 80px 20px;
}

.auth-box {
    width: 100%;
    max-width: 420px;
}

.auth-box h2 {
    margin-bottom: 25px;
}

.auth-box label {
    display: block;
    margin-top: 15px;
    margin-bottom: 8px;
}

.auth-box input {
    width: 100%;
    padding: 12px;
    background: #0f172a;
    border: 1px solid #334155;
    color: white;
}

.dashboard {
    max-width: 1200px;
    margin: 0 auto;
    padding: 50px 30px;
}

.dashboard h2 {
    margin-bottom: 30px;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.site-footer {
    border-top: 1px solid #1e293b;
    margin-top: 60px;
    padding: 30px;
    color: #64748b;
    text-align: center;
}

.error-box {
    background: #7f1d1d;
    border: 1px solid #991b1b;
    color: #fecaca;
    padding: 12px;
    margin-bottom: 20px;
}