:root {
    --login-green: #0f172a;
    --login-green-dark: #3b5ccc;
    --login-green-light: #234085;
    --login-bg: #f4f7f6;
    --login-text: #1a202c;
    --login-muted: #718096;
    --login-border: #e2e8f0;
    --login-card-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
    --instance-active-bg: #fff5f0;
    --instance-active-border: #2d3748;
    --instance-idle-bg: #f8fafc;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body.login-page {
    height: 100%;
    margin: 0;
}

body.login-page {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--login-text);
    background: var(--login-bg);
}

.login-shell {
    display: flex;
    min-height: 100vh;
}

.login-brand {
    flex: 1 1 50%;
    background: linear-gradient(145deg, var(--login-green) 0%, var(--login-green-dark) 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: stretch;
}

.login-brand::before {
    content: '';
    position: absolute;
    width: 520px;
    height: 520px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.login-brand-inner {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 100%;
    padding: 48px 56px;
}

.login-brand-logo .brand-name {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: 0.06em;
}

.login-brand-content {
    max-width: 420px;
}

.login-brand-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.18);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    margin-bottom: 22px;
}

.login-brand-content h1 {
    font-size: clamp(1.75rem, 3vw, 2.35rem);
    font-weight: 800;
    line-height: 1.2;
    margin: 0 0 16px;
}

.login-brand-content p {
    font-size: 0.95rem;
    line-height: 1.65;
    opacity: 0.92;
    margin: 0;
}

.login-brand-footer {
    font-size: 0.78rem;
    opacity: 0.75;
    margin: 0;
}

.login-main {
    flex: 1 1 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 24px;
    background: var(--login-bg);
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: 20px;
    padding: 36px 32px 32px;
    box-shadow: var(--login-card-shadow);
}

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

.login-card-header h2 {
    font-size: 1.65rem;
    font-weight: 800;
    margin: 0 0 6px;
    color: var(--login-text);
}

.login-card-header p {
    margin: 0;
    color: var(--login-muted);
    font-size: 0.92rem;
}

.login-field {
    margin-bottom: 18px;
}

.login-field label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--login-text);
    margin-bottom: 8px;
}

.login-field input {
    width: 100%;
    border: 1px solid var(--login-border);
    border-radius: 12px;
    padding: 12px 14px;
    font-size: 0.92rem;
    color: var(--login-text);
    background: #fff;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.login-field input:focus {
    outline: none;
    border-color: var(--login-green);
    box-shadow: 0 0 0 3px rgba(36, 161, 72, 0.15);
}

.login-password-wrap {
    position: relative;
}

.login-password-wrap input {
    padding-right: 44px;
}

.login-toggle-pw {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    background: transparent;
    color: var(--login-muted);
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
}

.login-toggle-pw:hover {
    color: var(--login-green);
    background: rgba(36, 161, 72, 0.08);
}

.login-options {
    margin-bottom: 8px;
}

.login-options .form-check-label {
    font-size: 0.86rem;
    color: var(--login-muted);
}

.login-error {
    min-height: 20px;
    font-size: 0.82rem;
    color: #e53935;
    margin: 4px 0 10px;
}

.login-notice {
    background: rgba(255, 193, 7, 0.14);
    border: 1px solid rgba(255, 193, 7, 0.45);
    color: #8a6d1d;
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 0.84rem;
    line-height: 1.45;
    margin-bottom: 16px;
}

.login-notice[hidden] {
    display: none !important;
}

.btn-login {
    width: 100%;
    border: none;
    border-radius: 12px;
    padding: 13px 16px;
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(180deg, var(--login-green-light) 0%, var(--login-green) 100%);
    transition: transform 0.12s, box-shadow 0.12s, opacity 0.12s;
}

.btn-login:hover:not(:disabled) {
    color: #fff;
    box-shadow: 0 8px 20px rgba(36, 161, 72, 0.28);
    transform: translateY(-1px);
}

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

.login-2fa-banner {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 14px;
    border-radius: 12px;
    background: rgba(36, 161, 72, 0.08);
    margin-bottom: 18px;
}

.login-2fa-banner i {
    font-size: 1.4rem;
    color: var(--login-green);
}

.login-2fa-banner strong {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.login-2fa-banner p {
    margin: 0;
    font-size: 0.82rem;
    color: var(--login-muted);
}

.login-totp-input {
    text-align: center;
    letter-spacing: 0.35em;
    font-size: 1.2rem !important;
    font-weight: 700;
}

.btn-link-login {
    width: 100%;
    margin-top: 10px;
    border: none;
    background: transparent;
    color: var(--login-muted);
    font-size: 0.86rem;
    padding: 8px;
    cursor: pointer;
}

.btn-link-login:hover {
    color: var(--login-green);
}

/* Modal instância */
.instance-picker-dialog {
    max-width: 480px;
}

.instance-picker-content {
    border: none;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.18);
}

.instance-picker-header {
    border-bottom: 1px solid var(--login-border);
    padding: 18px 22px;
}

.instance-picker-header .modal-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--login-text);
}

.instance-picker-header .modal-title i {
    color: #25d366;
    font-size: 1.1rem;
}

.instance-picker-body {
    padding: 16px 22px 22px;
}

.instance-picker-subtitle {
    font-size: 0.84rem;
    color: var(--login-muted);
    margin: 0 0 14px;
}

.instance-picker-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 360px;
    overflow-y: auto;
}

.instance-picker-loading,
.instance-picker-empty {
    padding: 24px 12px;
    text-align: center;
    color: var(--login-muted);
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.instance-picker-item {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--login-border);
    border-radius: 14px;
    background: var(--instance-idle-bg);
    cursor: pointer;
    text-align: left;
    transition: border-color 0.15s, background 0.15s, transform 0.12s;
}

.instance-picker-item:hover {
    border-color: var(--instance-active-border);
    background: #fff;
    transform: translateY(-1px);
}

.instance-picker-item.active {
    border: 2px solid var(--instance-active-border);
    background: var(--instance-active-bg);
    cursor: default;
}

.instance-picker-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(37, 211, 102, 0.14);
    color: #25d366;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.instance-picker-icon.disconnected {
    background: rgba(255, 61, 90, 0.1);
    color: #ff3d5a;
}

.instance-picker-info {
    flex: 1;
    min-width: 0;
}

.instance-picker-name {
    font-weight: 700;
    font-size: 0.92rem;
    color: var(--login-text);
}

.instance-picker-meta {
    font-size: 0.76rem;
    color: var(--login-muted);
    margin-top: 2px;
}

.instance-picker-badge {
    font-size: 0.68rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 999px;
    background: #ffe8d6;
    color: var(--instance-active-border);
    flex-shrink: 0;
}

/* Usuários recentes */
.recent-users {
    margin-bottom: 20px;
    animation: loginFadeIn 0.35s ease forwards;
}

.recent-users-label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--login-muted);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.recent-users-list {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.recent-user-chip {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    position: relative;
    padding: 4px;
    border-radius: 12px;
    border: 2px solid transparent;
    background: transparent;
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
    min-width: 64px;
}

.recent-user-chip:hover {
    border-color: rgba(15, 23, 42, 0.2);
    background: rgba(15, 23, 42, 0.04);
    transform: translateY(-2px);
}

.recent-user-chip.selected {
    border-color: var(--login-green);
    background: rgba(15, 23, 42, 0.06);
}

.recent-user-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.02em;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.12);
}

.recent-user-name {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--login-text);
    max-width: 72px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: center;
}

.recent-user-remove {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: none;
    background: #e74c3c;
    color: #fff;
    font-size: 0.55rem;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.7);
    transition: opacity 0.2s ease, transform 0.2s ease;
    cursor: pointer;
    padding: 0;
}

.recent-user-chip:hover .recent-user-remove {
    opacity: 1;
    transform: scale(1);
}

.recent-user-badge {
    position: absolute;
    bottom: 18px;
    right: 2px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--login-green);
    color: #fff;
    font-size: 0.45rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.d-none {
    display: none !important;
}

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

/* Modal salvar neste computador */
.save-device-dialog {
    max-width: 400px;
}

.save-device-content {
    border: none;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.18);
}

.save-device-header {
    border-bottom: 1px solid var(--login-border);
    padding: 18px 22px 14px;
}

.save-device-header .modal-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--login-text);
}

.save-device-content .modal-body {
    padding: 12px 22px 22px;
}

.save-device-modal {
    padding: 0.25rem 0 0.5rem;
}

.save-device-user {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.85rem 1rem;
    background: #f4f6fb;
    border-radius: 14px;
    margin-bottom: 1.25rem;
}

.save-device-avatar {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.25);
}

.save-device-account {
    font-size: 1rem;
    font-weight: 700;
    color: var(--login-text);
    margin: 0;
}

.save-device-hint {
    font-size: 0.78rem;
    color: var(--login-muted);
    margin: 2px 0 0;
}

.save-device-options {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.save-device-option {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    width: 100%;
    padding: 0.85rem 1rem;
    border: 2px solid var(--login-border);
    border-radius: 14px;
    background: #fff;
    cursor: pointer;
    text-align: left;
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}

.save-device-option:hover {
    border-color: var(--login-green);
    background: rgba(15, 23, 42, 0.04);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.1);
}

.save-device-option-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    background: #eef2fa;
    color: var(--login-green);
    flex-shrink: 0;
}

.save-device-option-icon--primary {
    background: var(--login-green);
    color: #fff;
}

.save-device-option-text {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.save-device-option-text strong {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--login-text);
}

.save-device-option-text small {
    font-size: 0.75rem;
    color: var(--login-muted);
}

.save-device-option-arrow {
    color: #c0c9dc;
    font-size: 0.85rem;
    flex-shrink: 0;
    transition: color 0.2s ease, transform 0.2s ease;
}

.save-device-option:hover .save-device-option-arrow {
    color: var(--login-green);
    transform: translateX(2px);
}

.save-device-skip {
    display: block;
    width: 100%;
    margin-top: 1rem;
    padding: 0.5rem;
    border: none;
    background: none;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--login-muted);
    text-decoration: underline;
    cursor: pointer;
}

.save-device-skip:hover {
    color: var(--login-text);
}

.login-apps-notice {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--login-border);
    text-align: center;
}

.login-apps-notice-title {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin: 0 0 8px;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--login-muted);
}

.login-apps-notice-title i {
    color: var(--login-green);
}

.login-apps-notice-text {
    margin: 0;
    font-size: 0.82rem;
    line-height: 1.55;
    color: var(--login-muted);
}

.login-apps-notice-text strong {
    color: var(--login-text);
    font-weight: 700;
}

@media (max-width: 900px) {
    .login-shell {
        flex-direction: column;
    }

    .login-brand {
        min-height: 220px;
    }

    .login-brand-inner {
        padding: 32px 24px;
        gap: 24px;
    }

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

    .login-main {
        padding: 24px 16px 40px;
        margin-top: -24px;
    }

    .login-card {
        box-shadow: 0 12px 32px rgba(15, 23, 42, 0.1);
    }
}