:root {
    --itesp-green: #5a9e3a;
    --itesp-green-dark: #477e2d;
    --itesp-anthracite: #1c1e1c;
    --itesp-gray-100: #f5f6f4;
    --itesp-gray-300: #d8dbd6;
    --itesp-gray-600: #6b706a;
    --itesp-error: #c0392b;
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --font-mono: 'DM Mono', monospace;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--font-body);
    background: var(--itesp-gray-100);
    color: var(--itesp-anthracite);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.auth-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 24px rgba(0, 0, 0, 0.08);
    padding: 2.5rem;
    width: 100%;
    max-width: 380px;
}

.auth-card h1 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.4rem;
    margin: 0 0 0.25rem;
    color: var(--itesp-anthracite);
}

.auth-card .subtitle {
    color: var(--itesp-gray-600);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
}

input[type="email"],
input[type="password"],
input[type="text"] {
    width: 100%;
    padding: 0.65rem 0.75rem;
    border: 1px solid var(--itesp-gray-300);
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

input:focus {
    outline: none;
    border-color: var(--itesp-green);
    box-shadow: 0 0 0 3px rgba(90, 158, 58, 0.15);
}

button, .btn {
    width: 100%;
    background: var(--itesp-green);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 0.7rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: background 0.15s ease;
}

button:hover, .btn:hover { background: var(--itesp-green-dark); }

.divider {
    text-align: center;
    color: var(--itesp-gray-600);
    font-size: 0.8rem;
    margin: 1.25rem 0;
}

.btn-secondary {
    background: transparent;
    color: var(--itesp-anthracite);
    border: 1px solid var(--itesp-gray-300);
}

.btn-secondary:hover { background: var(--itesp-gray-100); }

.error-box {
    background: #fdecea;
    color: var(--itesp-error);
    border: 1px solid #f5c6c0;
    border-radius: 8px;
    padding: 0.6rem 0.8rem;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.success-box {
    background: #eef7ea;
    color: var(--itesp-green-dark);
    border: 1px solid #cfe6c2;
    border-radius: 8px;
    padding: 0.6rem 0.8rem;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.links { text-align: center; margin-top: 1rem; font-size: 0.85rem; }
.links a { color: var(--itesp-green-dark); text-decoration: none; }
.links a:hover { text-decoration: underline; }