:root {
    --accent: #256c40;
    --accent-strong: #1c5130;
    --surface: #ffffff;
    --surface-soft: #f3f8f4;
    --text: #143224;
    --muted: #6b7a72;
    --danger: #b3261e;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Inter", sans-serif;
}

body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background:
        radial-gradient(circle at 12% 10%, rgba(255, 255, 255, 0.18) 0, transparent 34%),
        radial-gradient(circle at 90% 88%, rgba(255, 255, 255, 0.12) 0, transparent 32%),
        linear-gradient(140deg, #103a24 0%, #1a6b40 52%, #0c2d1d 100%);
}

.auth-card {
    width: 100%;
    max-width: 430px;
    border-radius: 24px;
    overflow: hidden;
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 26px 56px rgba(8, 26, 16, 0.35);
}

.auth-header {
    padding: 30px 28px 24px;
    color: #fff;
    text-align: center;
    background:
        linear-gradient(160deg, rgba(37, 108, 64, 0.95), rgba(20, 50, 36, 0.95)),
        radial-gradient(circle at top right, rgba(255, 255, 255, 0.24) 0, transparent 40%);
}

.auth-logo {
    width: 68px;
    height: 68px;
    margin: 0 auto 14px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.17);
    border: 1px solid rgba(255, 255, 255, 0.22);
    backdrop-filter: blur(4px);
}

.auth-logo svg {
    width: 34px;
    height: 34px;
    color: #fff;
}

.auth-header h1 {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 6px;
}

.auth-header p {
    font-size: 14px;
    opacity: 0.92;
}

.auth-body {
    padding: 30px 28px 24px;
    background: var(--surface);
}

.auth-body h2 {
    text-align: center;
    font-size: 20px;
    color: var(--text);
    margin-bottom: 22px;
}

.auth-form .input-group {
    position: relative;
    margin-bottom: 16px;
}

.auth-form .input-group input {
    width: 100%;
    height: 52px;
    border-radius: 14px;
    border: 1px solid #d4ded8;
    background: var(--surface-soft);
    padding: 18px 14px 0;
    outline: none;
    font-size: 15px;
    color: var(--text);
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.auth-form .input-group input:focus {
    border-color: rgba(37, 108, 64, 0.65);
    box-shadow: 0 0 0 4px rgba(37, 108, 64, 0.14);
    background: #fff;
}

.auth-form .input-group label {
    position: absolute;
    top: 17px;
    left: 14px;
    font-size: 14px;
    color: var(--muted);
    pointer-events: none;
    transition: all 0.18s ease;
}

.auth-form .input-group input:focus + label,
.auth-form .input-group input:not(:placeholder-shown) + label {
    top: 8px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--accent);
}

.auth-form .input-group input::placeholder {
    color: transparent;
}

.auth-btn {
    width: 100%;
    height: 50px;
    border: none;
    border-radius: 14px;
    margin-top: 8px;
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: transform 0.1s ease, filter 0.2s ease;
}

.auth-btn:hover {
    filter: brightness(1.06);
}

.auth-btn:active {
    transform: translateY(1px);
}

#message {
    margin-top: 14px;
    min-height: 20px;
    text-align: center;
    font-size: 13px;
    font-weight: 600;
}

#message.success {
    color: var(--accent);
}

#message.error {
    color: var(--danger);
}

.auth-footer {
    padding: 18px 28px 24px;
    text-align: center;
    border-top: 1px solid #edf2ee;
    background: #fbfdfb;
}

.auth-footer .footer-text {
    color: var(--muted);
    font-size: 14px;
    margin-right: 4px;
}

.auth-footer a {
    color: var(--accent);
    font-weight: 700;
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}

@media (max-width: 480px) {
    body {
        padding: 14px;
    }

    .auth-body,
    .auth-header,
    .auth-footer {
        padding-left: 18px;
        padding-right: 18px;
    }
}