/*
 * ═══════════════════════════════════════════════════
 *  Auth Core — 登录页样式（用户登录 & 管理员登录共用）
 * ═══════════════════════════════════════════════════
 */
body.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
body.login-page::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(14,165,233,0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 100%, rgba(16,185,129,0.03) 0%, transparent 40%);
    pointer-events: none;
}

.login-card {
    width: 420px;
    padding: 40px 36px;
    border-radius: var(--radius-2xl);
    background: rgba(14, 22, 40, 0.8);
    border: 1px solid var(--border-color-card);
    backdrop-filter: blur(16px);
    position: relative;
    z-index: 1;
    box-shadow: 0 8px 40px rgba(0,0,0,0.3);
}

.login-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--border-color);
}
.login-brand-icon {
    width: 40px; height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 16px rgba(14,165,233,0.2);
}
.login-brand-icon svg { width: 22px; height: 22px; fill: #fff; }
.login-brand-name {
    font-family: var(--font-mono);
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-heading);
    letter-spacing: 0.8px;
}
.login-brand-sub {
    font-size: 10px;
    color: var(--color-text-dim);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 500;
    margin-top: 2px;
}

.login-card h1, .login-card h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text-heading);
    margin-bottom: 6px;
}
.login-card .subtitle {
    color: var(--color-text-muted);
    font-size: 13px;
    margin-bottom: 24px;
}

.login-card label {
    display: block;
    margin-top: 20px;
    margin-bottom: 7px;
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-muted);
    letter-spacing: 0.8px;
    text-transform: uppercase;
    font-family: var(--font-mono);
}

.login-card input[type=text],
.login-card input[type=password] {
    width: 100%;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color-input);
    background: var(--color-bg-input);
    color: var(--color-text-bright);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: all 0.15s;
}
.login-card input:focus {
    border-color: var(--border-color-focus);
    box-shadow: 0 0 0 3px rgba(14,165,233,0.06);
}
.login-card input::placeholder { color: var(--color-text-faint); }

.captcha-row {
    display: flex;
    gap: 12px;
    align-items: stretch;
}
.captcha-row input {
    flex: 1;
}
.captcha-image-btn {
    width: 132px;
    padding: 0;
    border: 1px solid var(--border-color-input);
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.06);
    cursor: pointer;
    overflow: hidden;
}
.captcha-image-btn img {
    display: block;
    width: 100%;
    height: 100%;
}

/* ── 短信验证码：获取按钮 + 提示 ── */
.sms-send-btn {
    width: 132px;
    padding: 0 10px;
    border: 1px solid var(--border-color-input);
    border-radius: var(--radius-md);
    background: rgba(14, 165, 233, 0.10);
    color: var(--color-primary-text);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s, color 0.15s, border-color 0.15s, opacity 0.15s;
}
.sms-send-btn:hover:not(:disabled) {
    background: rgba(14, 165, 233, 0.18);
    border-color: var(--border-color-focus);
}
.sms-send-btn:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}
.sms-hint {
    margin-top: 8px;
    font-size: 12px;
    color: var(--color-text-muted);
    line-height: 1.5;
}
.sms-hint span {
    font-family: var(--font-mono);
    color: var(--color-text-bright);
}

.login-btn {
    margin-top: 28px;
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    letter-spacing: 0.3px;
    box-shadow: var(--shadow-primary);
    transition: all 0.15s;
}
.login-btn:hover {
    box-shadow: var(--shadow-primary-hover);
    transform: translateY(-1px);
}

/* ── 登录页提示 ── */
.login-hint, .login-alert {
    margin-top: 16px;
    border-radius: var(--radius-lg);
    padding: 10px 14px;
    font-size: 13px;
    border-left: 3px solid;
}
.login-hint {
    background: rgba(14,165,233,0.06);
    color: var(--color-primary-text);
    border-left-color: var(--color-primary);
}
.login-alert {
    background: var(--color-danger-bg);
    color: var(--color-danger-light);
    border-left-color: var(--color-danger);
}
.login-alert.logout {
    background: var(--color-success-bg);
    color: var(--color-success-light);
    border-left-color: var(--color-secondary);
}

.login-card code {
    font-family: var(--font-mono);
    font-size: 12px;
    background: rgba(14,165,233,0.06);
    color: var(--color-text-heading);
    padding: 2px 7px;
    border-radius: var(--radius-xs);
}