* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background:
        radial-gradient(circle at top, rgba(255,255,255,0.8), transparent 35%),
        linear-gradient(135deg, #f7f1ea 0%, #f2e9e1 45%, #efe5dd 100%);
    color: #2b1f1a;
}

.card {
    background: rgba(255,255,255,0.9);
    border: 1px solid rgba(140, 45, 25, 0.08);
    border-radius: 22px;
    box-shadow: 0 20px 40px rgba(54, 34, 25, 0.12);
    backdrop-filter: blur(10px);
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 700;
    color: #2b1f1a;
    font-size: 0.92rem;
}

input {
    width: 100%;
    padding: 0.8rem 0.9rem;
    border: 1px solid #e7ddd4;
    border-radius: 12px;
    font-size: 0.96rem;
    background: rgba(255,255,255,0.86);
    transition: all 0.2s ease;
}

input:focus {
    outline: none;
    border-color: rgba(140, 45, 25, 0.45);
    box-shadow: 0 0 0 4px rgba(140, 45, 25, 0.08);
}

button {
    width: 100%;
    padding: 0.9rem 1rem;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, #8C2D19 0%, #6E2212 100%);
    color: #fff;
    font-weight: 800;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 18px 25px rgba(140,45,25,0.18);
}

button:hover {
    transform: translateY(-1px);
    box-shadow: 0 20px 28px rgba(140,45,25,0.22);
}

.alert {
    margin-bottom: 1rem;
    padding: 0.85rem 1rem;
    border-radius: 12px;
    font-size: 0.9rem;
}

.alert-error {
    background: #fff0f1;
    color: #a53333;
    border: 1px solid rgba(165, 51, 51, 0.12);
}

.auth-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1.5rem;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    padding: 2.1rem 1.8rem;
}

.auth-title {
    margin: 0 0 1.3rem;
    text-align: center;
    color: #2b1f1a;
    font-size: clamp(1.8rem, 4vw, 2.3rem);
    letter-spacing: -0.04em;
}