.login-shell {
    display: flex; flex-direction: row;
    height: 100vh; width: 100vw;
    font-family: var(--font-body); overflow: hidden;
}

.login-brand {
    position: relative;
    width: 420px; min-width: 420px;
    background: var(--nav-bg);
    display: flex; align-items: stretch; overflow: hidden;
}
.login-brand-inner {
    position: relative; z-index: 2;
    display: flex; flex-direction: column;
    justify-content: center; gap: 48px;
    padding: 56px 48px; width: 100%;
}
.login-brand-grid {
    position: absolute; inset: 0; z-index: 1;
    background-image: radial-gradient(circle, var(--nav-border) 1px, transparent 1px);
    background-size: 28px 28px;
    -webkit-mask-image: linear-gradient(135deg, transparent 20%, black 60%, transparent 100%);
    mask-image: linear-gradient(135deg, transparent 20%, black 60%, transparent 100%);
}
.login-brand::before {
    content: ''; position: absolute;
    bottom: -80px; left: -60px;
    width: 340px; height: 340px;
    background: radial-gradient(circle, rgba(15,118,110,0.28) 0%, transparent 70%);
    z-index: 1; pointer-events: none;
}
.login-brand::after {
    content: ''; position: absolute;
    top: -60px; right: -80px;
    width: 260px; height: 260px;
    background: radial-gradient(circle, rgba(94,234,212,0.10) 0%, transparent 70%);
    z-index: 1; pointer-events: none;
}

.login-logo { display: flex; align-items: center; gap: 12px; animation: fade-up 500ms ease both; }
.login-logo-icon {
    width: 40px; height: 40px;
    background: var(--accent-primary);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-display);
    font-size: 15px; font-weight: 800; color: white;
    letter-spacing: -0.5px; flex-shrink: 0;
}
.login-logo-name { font-family: var(--font-display); font-size: 18px; font-weight: 700; color: var(--nav-logo-text); }

.login-brand-copy { animation: fade-up 500ms 80ms ease both; }
.login-brand-heading {
    font-family: var(--font-display);
    font-size: 30px; font-weight: 800;
    line-height: 1.2; color: var(--nav-text-active);
    margin-bottom: 12px; letter-spacing: -0.5px;
}
.login-brand-sub { font-size: 14px; color: var(--nav-text); line-height: 1.6; max-width: 280px; }

.login-feature-list { display: flex; flex-direction: column; gap: 14px; animation: fade-up 500ms 160ms ease both; }
.login-feature { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--nav-text); }
.login-feature-icon {
    width: 32px; height: 32px;
    border-radius: 8px;
    background: var(--nav-bg-hover);
    border: 1px solid var(--nav-border);
    display: flex; align-items: center; justify-content: center;
    color: var(--accent-secondary); flex-shrink: 0;
}

.login-form-panel {
    flex: 1;
    display: flex; align-items: center; justify-content: center;
    background: var(--surface-bg);
    padding: 40px 24px; overflow-y: auto;
    transition: background var(--transition-slow);
}
.login-form-wrap {
    width: 100%; max-width: 400px;
    display: flex; flex-direction: column; gap: 22px;
    animation: fade-up 400ms ease both;
}
.login-form-title { font-family: var(--font-display); font-size: 26px; font-weight: 800; color: var(--text-primary); letter-spacing: -0.4px; margin-bottom: 4px; }
.login-form-subtitle { font-size: 14px; color: var(--text-secondary); }

.login-alert {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 12px;
    background: rgba(239,68,68,0.08);
    border: 1px solid rgba(239,68,68,0.20);
    border-radius: var(--radius-md);
    font-size: 13px; color: var(--status-danger);
    animation: shake 300ms ease;
}
@keyframes shake { 0%,100% { transform: translateX(0); } 25% { transform: translateX(-6px); } 75% { transform: translateX(6px); } }
@keyframes fade-up { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

.login-fields { display: flex; flex-direction: column; gap: 14px; }
.login-input-wrap { position: relative; display: flex; align-items: center; transition: box-shadow var(--transition-fast); border-radius: var(--radius-md); }
.login-input-wrap.focused { box-shadow: var(--input-focus-shadow); }
.login-input-icon { position: absolute; left: 12px; color: var(--text-muted); display: flex; align-items: center; pointer-events: none; transition: color var(--transition-fast); }
.login-input-wrap.focused .login-input-icon { color: var(--accent-primary); }
.login-input { padding-left: 38px !important; padding-right: 38px !important; }
.login-eye-btn { position: absolute; right: 10px; background: none; border: none; cursor: pointer; color: var(--text-muted); display: flex; align-items: center; padding: 4px; border-radius: var(--radius-sm); transition: color var(--transition-fast); }
.login-eye-btn:hover { color: var(--text-primary); }

.login-options { display: flex; align-items: center; justify-content: space-between; }
.login-remember { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-secondary); cursor: pointer; }
.login-remember input { accent-color: var(--accent-primary); }

.login-submit {
    display: flex; align-items: center; justify-content: center; gap: 10px;
    width: 100%; height: 44px;
    background: var(--accent-primary); color: white;
    border: none; border-radius: var(--radius-md);
    font-family: var(--font-display); font-size: 14px; font-weight: 700;
    cursor: pointer; letter-spacing: 0.01em;
    transition: background var(--transition-fast), transform var(--transition-fast), opacity var(--transition-fast);
}
.login-submit:hover:not(:disabled) { background: var(--accent-primary-hover); transform: translateY(-1px); }
.login-submit:active:not(:disabled) { transform: translateY(0); }
.login-submit:disabled { opacity: 0.75; cursor: not-allowed; }

.login-divider {
    display: flex; align-items: center; gap: 12px;
    color: var(--text-muted); font-size: 12px;
    text-transform: uppercase; letter-spacing: 0.08em;
}
.login-divider::before, .login-divider::after {
    content: ""; flex: 1; height: 1px; background: var(--border);
}

.login-guest {
    display: flex; align-items: center; justify-content: center; gap: 10px;
    width: 100%; height: 44px;
    background: transparent; color: var(--text-primary);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    font-family: var(--font-display); font-size: 14px; font-weight: 600;
    cursor: pointer; letter-spacing: 0.01em;
    transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}
.login-guest:hover:not(:disabled) { background: var(--surface-bg); border-color: var(--accent-primary); transform: translateY(-1px); }
.login-guest:active:not(:disabled) { transform: translateY(0); }
.login-guest:disabled { opacity: 0.6; cursor: not-allowed; }

.login-footer-note { text-align: center; font-size: 12px; color: var(--text-muted); }

@media (max-width: 768px) {
    .login-brand { display: none; }
}