/* 登录页 */

body {
    display: block;
    overflow: auto;
}

.login-shell {
    position: relative;
    width: 100%;
    min-height: 100vh;
    padding: 28px;
    background:
        radial-gradient(circle at 16% 18%, rgba(var(--accent-rgb), 0.18), transparent 28%),
        radial-gradient(circle at 82% 14%, rgba(var(--accent-secondary-rgb), 0.16), transparent 24%),
        linear-gradient(135deg, #eefaf8 0%, #f8fffe 48%, #eff4ff 100%);
    overflow: hidden;
}

[data-theme="dark"] .login-shell {
    background:
        radial-gradient(circle at 16% 18%, rgba(var(--accent-rgb), 0.2), transparent 28%),
        radial-gradient(circle at 82% 14%, rgba(var(--accent-secondary-rgb), 0.16), transparent 24%),
        linear-gradient(135deg, #07111a 0%, #0d1720 50%, #111d28 100%);
}

.login-shell::before,
.login-shell::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.login-shell::before {
    width: 420px;
    height: 420px;
    right: -120px;
    top: -140px;
    border: 1px solid rgba(var(--accent-rgb), 0.12);
}

.login-shell::after {
    width: 300px;
    height: 300px;
    left: -100px;
    bottom: -120px;
    border: 1px solid rgba(var(--accent-secondary-rgb), 0.12);
}

.login-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(20, 122, 103, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(20, 122, 103, 0.05) 1px, transparent 1px);
    background-size: 68px 68px;
    mask-image: radial-gradient(circle at center, black 28%, transparent 80%);
    -webkit-mask-image: radial-gradient(circle at center, black 28%, transparent 80%);
    opacity: 0.48;
}

.login-layout {
    position: relative;
    z-index: 1;
    width: min(1240px, 100%);
    min-height: calc(100vh - 56px);
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(380px, 440px);
    gap: 28px;
    align-items: center;
}

.login-stage {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.login-stage-card {
    padding: 34px 34px 30px;
    border-radius: 32px;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.28), transparent 42%),
        linear-gradient(135deg, #1bc7a5 0%, #46d1f7 52%, #6b8cff 100%);
    color: #ffffff;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.14);
}

.login-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    padding: 7px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.16);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.login-stage-card h1 {
    margin: 0;
    font-family: var(--font-display);
    font-size: clamp(2rem, 1.8rem + 0.8vw, 2.8rem);
    line-height: 1.14;
}

.login-stage-desc {
    margin: 16px 0 0;
    max-width: 620px;
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.95rem;
    line-height: 1.8;
}

.login-highlights {
    display: grid;
    gap: 12px;
    margin-top: 26px;
}

.login-highlight {
    display: grid;
    grid-template-columns: 50px 1fr;
    gap: 14px;
    align-items: start;
    padding: 16px 18px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.login-highlight > span {
    width: 50px;
    height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.18);
    color: #fff8ef;
    font-size: 1rem;
}

.login-highlight strong {
    display: block;
    margin-bottom: 4px;
    font-size: 0.94rem;
}

.login-highlight p {
    margin: 0;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.76);
    line-height: 1.75;
}

.login-stage-note {
    padding: 0 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.login-panel {
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.login-card {
    position: relative;
    padding: 34px 30px 30px;
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.28);
    box-shadow: 0 28px 60px rgba(17, 27, 33, 0.12);
}

[data-theme="dark"] .login-card {
    background: rgba(16, 24, 29, 0.78);
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 28px 60px rgba(0, 0, 0, 0.34);
}

.login-card::before {
    content: '';
    position: absolute;
    inset: 16px 16px auto;
    height: 2px;
    border-radius: 999px;
    background: var(--gradient-primary);
    opacity: 0.7;
}

.login-header {
    text-align: center;
    margin-bottom: 28px;
}

.login-icon {
    width: 68px;
    height: 68px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    border-radius: 24px;
    background: linear-gradient(135deg, #18c6a4 0%, #54c8ff 55%, #6b8cff 100%);
    color: #fffef9;
    font-size: 1.5rem;
    box-shadow: 0 18px 34px rgba(var(--accent-rgb), 0.2);
}

.login-header h2 {
    margin: 0;
    font-family: var(--font-display);
    font-size: 1.48rem;
    color: var(--text-primary);
}

.login-header p {
    margin: 6px 0 0;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.login-card .alert {
    margin-bottom: 14px;
}

.login-card .input-group-text {
    border-right: none;
    border-radius: 16px 0 0 16px;
}

.login-card .form-control {
    border-left: none;
    border-radius: 0 16px 16px 0;
}

.login-card .input-group:focus-within .input-group-text {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-login {
    min-height: 48px;
    margin-top: 6px;
    border-radius: 16px;
    font-size: 0.9rem;
    box-shadow: 0 12px 24px rgba(var(--accent-rgb), 0.18);
}

.login-footer {
    margin-top: 18px;
    text-align: center;
}

.login-footer p {
    margin: 0;
    font-size: 0.75rem;
    color: var(--text-muted);
}

@media (max-width: 991.98px) {
    .login-layout {
        grid-template-columns: 1fr;
        min-height: auto;
        padding: 24px 0;
    }

    .login-stage {
        order: 2;
    }

    .login-panel {
        order: 1;
    }
}

@media (max-width: 767.98px) {
    .login-shell {
        padding: 16px;
    }

    .login-layout {
        gap: 18px;
    }

    .login-stage-card,
    .login-card {
        padding: 26px 20px 22px;
        border-radius: 24px;
    }

    .login-highlight {
        grid-template-columns: 42px 1fr;
        padding: 14px;
        border-radius: 18px;
    }

    .login-highlight > span {
        width: 42px;
        height: 42px;
        border-radius: 14px;
    }
}

/* ========================================
   Claude Warm Login Override
   ======================================== */

.login-shell {
    background: #f5f4ed;
}

[data-theme="dark"] .login-shell {
    background: #141413;
}

.login-shell::before,
.login-shell::after,
.login-grid {
    display: none;
}

.login-layout {
    width: min(1160px, 100%);
    gap: 24px;
}

.login-stage-card {
    background: #141413;
    color: #faf9f5;
    border: 1px solid #30302e;
    border-radius: 24px;
    box-shadow: none;
    animation: loginStageReveal 0.56s var(--ease-out) both;
}

[data-theme="dark"] .login-stage-card {
    background: #1b1b19;
    border-color: #30302e;
}

.login-kicker {
    background: rgba(255, 255, 255, 0.08);
    font-family: var(--font-sans);
    letter-spacing: 0.08em;
}

.login-stage-card h1 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.22;
}

.login-stage-desc {
    color: rgba(250, 249, 245, 0.8);
}

.login-highlight {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    transition: transform var(--dur), background var(--dur), border-color var(--dur);
}

.login-highlight > span {
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.08);
}

.login-highlight:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
}

.login-stage-note {
    color: var(--text-secondary);
}

.login-card {
    background: #faf9f5;
    border: 1px solid var(--border-default);
    border-radius: 24px;
    box-shadow: var(--shadow-xs);
    animation: loginCardReveal 0.58s var(--ease-out) both;
    animation-delay: 0.08s;
}

[data-theme="dark"] .login-card {
    background: #1f1f1d;
    border-color: #30302e;
    box-shadow: none;
}

.login-card::before {
    display: none;
}

.login-icon {
    background: #e8e6dc;
    color: var(--accent);
    box-shadow: none;
    animation: loginIconFloat 3.6s ease-in-out infinite;
}

[data-theme="dark"] .login-icon {
    background: #30302e;
    color: #f5f4ed;
}

.login-header h2 {
    font-family: var(--font-display);
    font-weight: 600;
}

.login-card .input-group-text,
.login-card .form-control {
    background: var(--bg-input);
    border-color: var(--border-default);
}

.btn-login {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: none;
}

.btn-login:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

@keyframes loginStageReveal {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes loginCardReveal {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes loginIconFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-4px);
    }
}