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

:root {
    /* Brand */
    --navy-950: #0B1220;
    --navy-900: #0F172A;
    --navy-800: #1E293B;
    --navy-700: #334155;
    --gold: #D4AF37;
    --gold-dark: #B8952E;
    --gold-light: #FBF3D9;

    /* Semantic */
    --primary-color: #0F172A;
    --primary-hover: #1E293B;
    --secondary-color: #F8FAFC;
    --success-color: #059669;
    --success-light: #D1FAE5;
    --danger-color: #DC2626;
    --danger-light: #FEE2E2;
    --warning-color: #D97706;
    --warning-light: #FEF3C7;
    --info-color: #0284C7;
    --info-light: #E0F2FE;

    /* Neutrals */
    --light-bg: #ffffff;
    --light-gray: #F8FAFC;
    --medium-gray: #E2E8F0;
    --dark-gray: #64748B;
    --text-dark: #0F172A;
    --text-muted: #64748B;
    --border-color: #E2E8F0;

    /* Elevation */
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 6px 16px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 20px 44px rgba(15, 23, 42, 0.14);

    /* Shape */
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 16px;
    --radius-pill: 999px;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--light-gray);
    color: var(--text-dark);
    line-height: 1.6;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}

.wrapper {
    min-height: 100vh;
    background-color: var(--light-gray);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--gold-dark);
}

button, input[type="button"], input[type="submit"] {
    background-color: var(--navy-900);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    transition: background-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
    box-shadow: var(--shadow-sm);
    letter-spacing: 0.2px;
}

button:hover, input[type="button"]:hover, input[type="submit"]:hover {
    background-color: var(--navy-800);
    box-shadow: var(--shadow-md);
}

button:active, input[type="button"]:active, input[type="submit"]:active {
    transform: translateY(1px);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: 15px;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.01em;
}

h1 { font-size: 30px; }
h2 { font-size: 24px; }
h3 { font-size: 20px; }
h4 { font-size: 16px; }
h5 { font-size: 15px; }
h6 { font-size: 14px; }

p {
    margin-bottom: 10px;
    color: var(--text-dark);
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--navy-900);
    color: white;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 13px;
    box-shadow: var(--shadow-sm);
    letter-spacing: 0.2px;
}

.btn:hover {
    background-color: var(--navy-800);
    box-shadow: var(--shadow-md);
    color: white;
}

.btn-gold {
    background-color: var(--gold);
    color: var(--navy-900);
}

.btn-gold:hover {
    background-color: var(--gold-dark);
    color: var(--navy-900);
}

.btn-secondary {
    background-color: white;
    color: var(--text-dark);
    border: 1px solid var(--border-color);
    box-shadow: none;
}

.btn-secondary:hover {
    background-color: var(--light-gray);
    border-color: var(--dark-gray);
}

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

.btn-success:hover {
    background-color: #047857;
}

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

.btn-danger:hover {
    background-color: #B91C1C;
}

.btn-warning {
    background-color: var(--warning-color);
}

.btn-warning:hover {
    background-color: #B45309;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-lg {
    padding: 13px 28px;
    font-size: 15px;
}

.alert {
    padding: 14px 16px;
    margin-bottom: 20px;
    border-radius: var(--radius-sm);
    border-left: 4px solid;
    font-size: 13px;
}

.alert-success {
    background-color: var(--success-light);
    border-color: var(--success-color);
    color: #065F46;
}

.alert-danger {
    background-color: var(--danger-light);
    border-color: var(--danger-color);
    color: #991B1B;
}

.alert-warning {
    background-color: var(--warning-light);
    border-color: var(--warning-color);
    color: #92400E;
}

.alert-info {
    background-color: var(--info-light);
    border-color: var(--info-color);
    color: #075985;
}

.text-muted, .muted {
    color: var(--text-muted);
    font-size: 13px;
}

.text-center {
    text-align: center;
}

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.p-1 { padding: 8px; }
.p-2 { padding: 16px; }
.p-3 { padding: 24px; }
.p-4 { padding: 32px; }

/* Login */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(circle at 15% 15%, rgba(212, 175, 55, 0.12), transparent 40%),
        linear-gradient(160deg, var(--navy-950) 0%, var(--navy-900) 55%, var(--navy-800) 100%);
    padding: 20px;
}

.login-container form {
    background-color: white;
    width: 100%;
    max-width: 380px;
    padding: 40px 36px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.login-container h2 {
    color: var(--navy-900);
    font-size: 22px;
    margin-bottom: 4px;
    letter-spacing: 0.02em;
}

.login-container h2::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background-color: var(--gold);
    margin: 14px auto 26px;
    border-radius: var(--radius-pill);
}

.login-container input {
    width: 100%;
    padding: 12px 14px;
    margin-bottom: 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    transition: all 0.2s ease;
}

.login-container input:focus {
    outline: none;
    border-color: var(--navy-900);
    box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.08);
}

.login-container button {
    width: 100%;
    padding: 12px;
    margin-top: 6px;
    background-color: var(--navy-900);
    font-size: 14px;
}

.login-container button:hover {
    background-color: var(--gold-dark);
}