/* ===== 登录页面 ===== */

html {
    height: 100%;
}
body.login-page {
    margin: 0;
    min-height: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    display: grid;
    place-items: center;
    padding: 24px;
    box-sizing: border-box;
    font-size: 16px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { opacity: 0.8; }

.login-wrap { width: 100%; max-width: 380px; }

.login-header { text-align: center; margin-bottom: 48px; }
.login-header .logo {
    font-family: 'Instrument Serif', serif;
    font-size: 28px;
    letter-spacing: -0.02em;
    display: block;
    margin-bottom: 12px;
}
.login-header .logo span { color: var(--accent); }
.login-header p { font-size: 14px; color: var(--muted); }

.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-size: 12px;
    color: var(--muted);
    letter-spacing: 0.06em;
    margin-bottom: 6px;
}
.form-group input {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    font-family: inherit;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    outline: none;
    transition: border-color 0.2s;
    -webkit-appearance: none;
}
.form-group input::placeholder { color: #c8c3be; }
.form-group input:focus { border-color: var(--accent); }

.options-row {
    display: flex;
    align-items: center;
    margin: 20px 0 28px;
}
.toggle-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--muted);
    cursor: pointer;
    user-select: none;
}
.toggle-wrap input { display: none; }
.toggle-track {
    width: 38px;
    height: 20px;
    background: var(--border);
    border-radius: 100px;
    position: relative;
    transition: background 0.25s;
}
.toggle-track::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 14px;
    height: 14px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.25s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.toggle-wrap input:checked + .toggle-track { background: var(--accent); }
.toggle-wrap input:checked + .toggle-track::after { transform: translateX(18px); }

.btn-login {
    width: 100%;
    padding: 14px;
    font-size: 15px;
    font-family: inherit;
    font-weight: 500;
    color: #fff;
    background: var(--accent);
    border: none;
    border-radius: 100px;
    cursor: pointer;
    transition: all 0.25s;
    letter-spacing: 0.04em;
}
.btn-login:hover {
    background: #d06838;
    box-shadow: 0 4px 20px rgba(196,90,42,0.3);
    transform: translateY(-1px);
}
.btn-login:active { transform: translateY(0); }

.divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 32px 0;
    color: var(--muted);
    font-size: 12px;
}
.divider::before, .divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.social-login { display: flex; justify-content: center; gap: 20px; }
.social-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
}
.social-btn:hover { border-color: var(--accent); transform: translateY(-2px); }

.footer-links {
    text-align: center;
    margin-top: 32px;
    font-size: 13px;
    color: var(--muted);
}

.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: rgba(44,40,37,0.85);
    color: #fff;
    padding: 12px 28px;
    border-radius: 8px;
    font-size: 14px;
    opacity: 0;
    transition: all 0.3s;
    pointer-events: none;
    z-index: 999;
    white-space: nowrap;
}
.toast.show { opacity: 1; transform: translate(-50%, -50%) scale(1); }