/**
 * Login Page Styles
 * Split-screen: brand panel (ring motif echoing the logo) + form panel.
 * Accent stays the indigo/violet already used for active/focus states across
 * the app (sidebar), so the entry point matches what the user sees right after.
 */

.login-page {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
}

/* ---------- Brand panel ---------- */

.login-brand {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    overflow: hidden;
    padding: var(--spacing-3xl);
    background: linear-gradient(160deg, #6366f1 0%, #5b3fa8 60%, #4c3491 100%);
}

.login-brand-rings {
    position: absolute;
    inset: 0;
}

.login-ring {
    position: absolute;
    border-radius: 50%;
    border-style: solid;
}

.login-ring-ghost {
    border-color: rgba(255, 255, 255, 0.14);
}

.login-ring-a {
    width: 520px;
    height: 520px;
    border-width: 48px;
    top: -180px;
    left: -160px;
}

.login-ring-b {
    width: 320px;
    height: 320px;
    border-width: 32px;
    bottom: -90px;
    left: 120px;
}

.login-ring-pink {
    width: 220px;
    height: 220px;
    border-width: 28px;
    border-color: rgba(236, 72, 153, 0.55);
    top: 12%;
    right: -70px;
}

.login-ring-orange {
    width: 150px;
    height: 150px;
    border-width: 22px;
    border-color: rgba(255, 152, 0, 0.55);
    top: 42%;
    right: 14%;
}

.login-ring-sky {
    width: 130px;
    height: 130px;
    border-width: 20px;
    border-color: rgba(56, 189, 248, 0.55);
    bottom: 14%;
    right: -20px;
}

.login-brand-copy {
    position: relative;
    z-index: 1;
    max-width: 420px;
    color: #fff;
}

.login-brand-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-md);
}

.login-brand-text {
    font-size: var(--font-size-md);
    line-height: var(--line-height-relaxed);
    color: rgba(255, 255, 255, 0.92);
}

/* ---------- Form panel ---------- */

.login-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    padding: var(--spacing-xl);
}

.login-panel-inner {
    width: 100%;
    max-width: 400px;
    opacity: 0;
    transform: translateY(12px);
    animation: loginPanelIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes loginPanelIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    margin-bottom: var(--spacing-xl);
}

.login-logo {
    max-width: 190px;
    height: auto;
    margin-bottom: var(--spacing-lg);
}

.login-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.login-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.login-form .form-group {
    margin-bottom: var(--spacing-lg);
}

.login-form .form-label {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.login-form .input-group {
    position: relative;
}

.login-form .input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: 16px;
    transition: color var(--transition-fast);
    z-index: 2;
}

.login-form .input-group:focus-within .input-icon {
    color: #6366f1;
}

.login-form .form-input {
    width: 100%;
    padding: 12px 16px 12px 44px;
    /* 16px+ evita o zoom automático do iOS Safari ao focar o campo */
    font-size: 16px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--border-radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    background: var(--bg-primary);
    color: var(--text-primary);
}

.login-form .form-input:focus {
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    outline: none;
}

.login-form .form-input::placeholder {
    color: var(--gray-400);
}

.password-toggle {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--border-radius-sm);
    transition: color var(--transition-fast), background var(--transition-fast);
    z-index: 2;
}

.password-toggle:hover {
    color: #6366f1;
    background: rgba(99, 102, 241, 0.08);
}

.password-toggle:focus-visible {
    outline: 2px solid #6366f1;
    outline-offset: 2px;
}

.login-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
}

.login-remember {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.login-remember input {
    cursor: pointer;
    width: 17px;
    height: 17px;
    accent-color: #6366f1;
}

.login-remember label {
    font-size: 14px;
    cursor: pointer;
    color: var(--text-primary);
    user-select: none;
}

.login-submit {
    width: 100%;
    padding: 13px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--border-radius-md);
    background: linear-gradient(135deg, #6366f1 0%, #764ba2 100%);
    border: none;
    color: white;
    cursor: pointer;
    transition: box-shadow var(--transition-fast), transform var(--transition-fast);
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.login-submit:hover:not(:disabled) {
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.login-submit:active:not(:disabled) {
    transform: translateY(1px);
}

.login-submit:focus-visible {
    outline: 2px solid #6366f1;
    outline-offset: 3px;
}

.login-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.login-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color-light);
}

.login-footer-text {
    font-size: 12px;
    color: var(--text-disabled);
    line-height: 1.6;
}

.login-alert {
    padding: 12px 14px;
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-lg);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: slideDown 0.25s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-alert i {
    font-size: 16px;
    flex-shrink: 0;
}

.login-alert-error {
    background: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}

.login-alert-success {
    background: #f0fdf4;
    color: #15803d;
    border: 1px solid #bbf7d0;
}

/* Seleção de texto e caret dentro do painel de login, no tom da marca */
.login-page ::selection {
    background: rgba(99, 102, 241, 0.25);
    color: var(--text-primary);
}

.login-form .form-input {
    caret-color: #6366f1;
}

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
    .login-page {
        display: block;
    }

    .login-brand {
        min-height: 200px;
        padding: var(--spacing-xl) var(--spacing-lg);
        justify-content: center;
    }

    .login-brand-copy {
        max-width: none;
    }

    .login-brand-title {
        font-size: var(--font-size-xl);
    }

    .login-brand-text {
        display: none;
    }

    .login-ring-a,
    .login-ring-b {
        display: none;
    }

    .login-panel {
        padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-2xl);
    }
}

@media (max-width: 480px) {
    .login-brand {
        min-height: 150px;
        padding: var(--spacing-lg);
    }

    .login-brand-title {
        font-size: var(--font-size-lg);
    }

    .login-logo {
        max-width: 160px;
    }

    .login-title {
        font-size: var(--font-size-xl);
    }
}

@media (prefers-reduced-motion: reduce) {
    .login-panel-inner {
        animation: none;
        opacity: 1;
        transform: none;
    }
}