:root {
    --auth-bg-1: #f2eee2;
    --auth-bg-2: #e1ece9;
    --auth-bg-3: #f9f6ec;
    --auth-card: rgba(255, 255, 255, 0.9);
    --auth-border: rgba(21, 37, 43, 0.14);
    --auth-ink: #15252b;
    --auth-soft: #5a6a71;
    --auth-accent: #cf6a2b;
    --auth-accent-dark: #b95c22;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: 'IBM Plex Sans', sans-serif;
    color: var(--auth-ink);
    background:
        radial-gradient(circle at 9% 14%, rgba(27, 127, 136, 0.12), transparent 35%),
        radial-gradient(circle at 90% 82%, rgba(207, 106, 43, 0.15), transparent 40%),
        linear-gradient(145deg, var(--auth-bg-1), var(--auth-bg-2) 58%, var(--auth-bg-3));
    display: grid;
    place-items: center;
    padding: 1.2rem;
}

.auth-card {
    width: min(440px, 100%);
    background: var(--auth-card);
    border: 1px solid var(--auth-border);
    border-radius: 24px;
    padding: 1.6rem;
    box-shadow: 0 20px 45px rgba(21, 37, 43, 0.14);
    backdrop-filter: blur(10px);
}

.brand {
    margin-bottom: 1.15rem;
}

.brand h1 {
    margin: 0 0 0.35rem;
    font-family: 'Sora', sans-serif;
    font-size: 1.9rem;
    letter-spacing: -0.03em;
}

.brand p {
    margin: 0;
    color: var(--auth-soft);
}

.label {
    display: block;
    font-size: 0.84rem;
    font-weight: 700;
    color: var(--auth-soft);
    margin-bottom: 0.35rem;
    margin-top: 0.8rem;
}

.input {
    width: 100%;
    border: 1px solid var(--auth-border);
    border-radius: 12px;
    padding: 0.72rem 0.8rem;
    font-size: 1rem;
    outline: none;
    background: rgba(255, 255, 255, 0.95);
}

.input:focus {
    border-color: var(--auth-accent);
    box-shadow: 0 0 0 3px rgba(207, 106, 43, 0.17);
}

.error-box {
    margin-top: 0.9rem;
    border-radius: 10px;
    border: 1px solid rgba(181, 47, 47, 0.4);
    background: rgba(181, 47, 47, 0.1);
    padding: 0.68rem 0.8rem;
    color: #7c1d1d;
    font-size: 0.9rem;
}

.auth-btn {
    width: 100%;
    margin-top: 1rem;
    border: 0;
    border-radius: 12px;
    padding: 0.78rem 0.9rem;
    color: #fff;
    background: linear-gradient(135deg, var(--auth-accent), #e18942);
    font-size: 0.98rem;
    font-weight: 700;
    cursor: pointer;
}

.auth-btn:hover {
    background: linear-gradient(135deg, var(--auth-accent-dark), #d67634);
}

.note {
    margin-top: 0.95rem;
    color: var(--auth-soft);
    font-size: 0.88rem;
    line-height: 1.45;
}

.helper-actions {
    margin-top: 1rem;
    display: flex;
    gap: 0.6rem;
}

.helper-actions a,
.helper-actions button {
    border: 1px solid var(--auth-border);
    background: #fff;
    border-radius: 10px;
    padding: 0.54rem 0.74rem;
    font-size: 0.9rem;
    text-decoration: none;
    color: var(--auth-ink);
    cursor: pointer;
}