/* =========================================================
   RESET E CONFIGURAÇÕES GERAIS
========================================================= */

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    width: 100%;
    min-height: 100%;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    width: 100%;
    min-height: 100vh;
    margin: 0;
    font-family:
        Inter,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Roboto,
        Helvetica,
        Arial,
        sans-serif;
    color: #1f2937;
    background: #f4f7fb;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    border: 0;
    background: none;
    cursor: pointer;
    font: inherit;
}

input,
select,
textarea {
    font: inherit;
}

img,
svg {
    display: block;
    max-width: 100%;
}

[hidden] {
    display: none !important;
}

/* =========================================================
   VARIÁVEIS
========================================================= */

:root {
    /* Cores principais */
    --primary: #dc2626;
    --primary-dark: #b91c1c;
    --primary-light: #fca5a5;
    --primary-bg: #fef2f2;

    --accent: #246bfd;
    --accent-hover: #1f57d6;

    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --surface-muted: #f1f5f9;

    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-muted: #94a3b8;
    --text-light: #f9fafb;

    --border: #e2e8f0;
    --border-strong: #cbd5e1;

    --success: #16a34a;
    --success-soft: #dcfce7;

    --warning: #e68a00;
    --warning-soft: #fef3c7;

    --danger: #dc3c4f;
    --danger-soft: #fee2e2;

    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.04), 0 4px 12px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 22px 60px rgba(15, 23, 42, 0.16);
    --shadow-xl: 0 32px 80px rgba(15, 23, 42, 0.20);

    /* Raios */
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    /* Transições */
    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
    --transition-slow: 0.4s ease;

    /* Espaçamentos */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;

    /* Gradiente do lado visual */
    --gradient-visual: linear-gradient(145deg, #1a1a2e 0%, #16213e 40%, #1a1a2e 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(220, 38, 38, 0.85) 0%, rgba(185, 28, 28, 0.75) 100%);
}

/* =========================================================
   ACESSIBILIDADE
========================================================= */

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
a:focus-visible {
    outline: 3px solid rgba(36, 107, 253, 0.30);
    outline-offset: 2px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* =========================================================
   LAYOUT PRINCIPAL
========================================================= */

.login-page {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
    background: var(--surface);
}

/* =========================================================
   LADO ESQUERDO — VISUAL
========================================================= */

.login-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-2xl);
    color: var(--text-light);
    background: var(--gradient-visual);
    overflow: hidden;
}

.visual-overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient-overlay);
    z-index: 1;
    opacity: 0.92;
}

/* Efeito de luz decorativa */
.login-visual::before {
    content: "";
    position: absolute;
    top: -20%;
    right: -20%;
    width: 80%;
    height: 80%;
    background: radial-gradient(circle at 70% 30%, rgba(239, 68, 68, 0.15), transparent 60%);
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}

.login-visual::after {
    content: "";
    position: absolute;
    bottom: -30%;
    left: -20%;
    width: 70%;
    height: 70%;
    background: radial-gradient(circle at 30% 70%, rgba(36, 107, 253, 0.10), transparent 50%);
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}

.visual-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
    max-width: 560px;
    width: 100%;
}

/* --- Brand no visual --- */

.brand {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: background var(--transition-base), transform var(--transition-fast);
    width: fit-content;
}

.brand:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: scale(1.02);
}

.brand-logo {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 900;
    letter-spacing: 0.04em;
    color: #fff;
    box-shadow: 0 8px 24px rgba(220, 38, 38, 0.30);
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand-text strong {
    font-size: 18px;
    font-weight: 700;
}

.brand-text small {
    font-size: 12px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.70);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* --- Mensagem central --- */

.visual-message {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.visual-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    align-self: flex-start;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.10);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: rgba(255, 255, 255, 0.90);
}

.visual-message h1 {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: #fff;
    margin: 0;
}

.visual-message p {
    font-size: 16px;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.78);
    max-width: 460px;
    margin: 0;
}

/* --- Features --- */

.visual-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-sm);
}

.visual-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: background var(--transition-base), transform var(--transition-fast);
}

.visual-feature:hover {
    background: rgba(255, 255, 255, 0.10);
    transform: translateX(4px);
}

.visual-feature > span {
    font-size: 28px;
    flex-shrink: 0;
    line-height: 1;
    margin-top: 2px;
}

.visual-feature div {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.visual-feature strong {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
}

.visual-feature p {
    font-size: 13px;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.72);
    margin: 0;
}

/* =========================================================
   LADO DIREITO — PAINEL DE LOGIN
========================================================= */

.login-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    background: var(--surface);
    min-height: 100vh;
}

.login-card {
    width: 100%;
    max-width: 440px;
    padding: var(--spacing-2xl) var(--spacing-xl);
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base);
}

.login-card:hover {
    box-shadow: var(--shadow-md);
}

/* --- Mobile brand (visível apenas em mobile) --- */

.mobile-brand {
    display: none;
    margin-bottom: var(--spacing-lg);
}

.mobile-brand .brand {
    background: transparent;
    backdrop-filter: none;
    border: none;
    padding: 0;
}

.mobile-brand .brand:hover {
    transform: none;
    background: transparent;
}

.mobile-brand .brand-logo {
    width: 40px;
    height: 40px;
    font-size: 14px;
}

.mobile-brand .brand-text strong {
    font-size: 16px;
    color: var(--text-primary);
}

.mobile-brand .brand-text small {
    color: var(--text-muted);
}

/* --- Cabeçalho do login --- */

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

.login-eyebrow {
    display: block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.login-header h2 {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-sm) 0;
}

.login-header p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
}

/* --- Mensagem de feedback --- */

.login-message {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-lg);
    font-size: 13px;
    font-weight: 600;
    display: none;
    border: 1px solid transparent;
    transition: opacity var(--transition-base);
}

.login-message:not([hidden]) {
    display: block;
}

.login-message.is-error {
    color: var(--danger);
    background: var(--danger-soft);
    border-color: #fecaca;
}

.login-message.is-success {
    color: var(--success);
    background: var(--success-soft);
    border-color: #bbf7d0;
}

/* --- Formulário --- */

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Grupos de campo */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.02em;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface-soft);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-wrapper:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.12);
    background: var(--surface);
}

.input-wrapper.is-invalid {
    border-color: var(--danger);
    box-shadow: 0 0 0 4px rgba(220, 60, 79, 0.12);
}

.input-icon {
    display: grid;
    place-items: center;
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    font-size: 18px;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.input-wrapper:focus-within .input-icon {
    color: var(--primary);
}

.input-wrapper input {
    width: 100%;
    height: 44px;
    padding: 0 var(--spacing-md) 0 0;
    border: 0;
    background: transparent;
    font-size: 15px;
    color: var(--text-primary);
    outline: none;
}

.input-wrapper input::placeholder {
    color: var(--text-muted);
    font-size: 14px;
}

.input-wrapper input:-webkit-autofill {
    background-color: transparent !important;
    -webkit-box-shadow: 0 0 0 1000px var(--surface-soft) inset;
}

.password-toggle {
    flex-shrink: 0;
    padding: 0 var(--spacing-md);
    height: 44px;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-muted);
    background: transparent;
    border: 0;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.password-toggle:hover {
    color: var(--text-primary);
}

.password-toggle:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: 4px;
}

.form-error {
    display: block;
    min-height: 20px;
    font-size: 12px;
    font-weight: 600;
    color: var(--danger);
    margin-top: var(--spacing-xs);
}

/* --- Opções do login --- */

.login-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.remember-field {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}

.remember-field input[type="checkbox"] {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    accent-color: var(--primary);
    cursor: pointer;
}

.forgot-password-button {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    background: none;
    border: 0;
    cursor: pointer;
    transition: color var(--transition-fast), text-decoration var(--transition-fast);
}

.forgot-password-button:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.forgot-password-button:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: 4px;
}

/* --- Botão de login --- */

.login-button {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    min-height: 52px;
    padding: 0 var(--spacing-lg);
    background: var(--primary);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    border-radius: var(--radius-sm);
    border: 0;
    cursor: pointer;
    transition: background var(--transition-base), transform var(--transition-fast), box-shadow var(--transition-base);
    box-shadow: 0 8px 24px rgba(220, 38, 38, 0.20);
}

.login-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(220, 38, 38, 0.30);
}

.login-button:active {
    transform: translateY(0);
}

.login-button:disabled {
    opacity: 0.70;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.login-button:focus-visible {
    outline: 3px solid rgba(220, 38, 38, 0.30);
    outline-offset: 2px;
}

#login-button-text {
    transition: opacity var(--transition-fast);
}

.button-loader {
    display: inline-block;
    width: 22px;
    height: 22px;
    border: 3px solid rgba(255, 255, 255, 0.30);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    flex-shrink: 0;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* --- Ajuda --- */

.login-help {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-sm);
    background: var(--surface-soft);
    border: 1px solid var(--border);
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-secondary);
}

.login-help > span {
    font-size: 18px;
    flex-shrink: 0;
    margin-top: 1px;
}

.login-help p {
    margin: 0;
}

/* --- Rodapé do card --- */

.login-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.login-footer a {
    font-weight: 600;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.login-footer a:hover {
    color: var(--primary);
    text-decoration: underline;
}

.login-footer span {
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* =========================================================
   LOADER DE PÁGINA
========================================================= */

.page-loading {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: grid;
    place-items: center;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.page-loading[hidden] {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.page-loading-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-2xl) var(--spacing-xl);
    background: var(--surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-width: 360px;
    text-align: center;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 5px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
}

.page-loading-card strong {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.page-loading-card p {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
}

/* =========================================================
   ANIMAÇÕES ADICIONAIS
========================================================= */

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

.login-card {
    animation: fadeInUp 0.5s ease both;
}

.visual-content {
    animation: fadeInUp 0.6s ease both;
}

/* =========================================================
   RESPONSIVIDADE
========================================================= */

/* --- Tablets e telas médias --- */
@media (max-width: 1100px) {
    .login-page {
        grid-template-columns: 1fr;
        min-height: 100vh;
    }

    .login-visual {
        display: none;
    }

    .login-panel {
        min-height: 100vh;
        padding: var(--spacing-2xl) var(--spacing-xl);
        background: #f8fafc;
    }

    .login-card {
        max-width: 480px;
        padding: var(--spacing-xl) var(--spacing-lg);
        background: var(--surface);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-md);
        animation: fadeInUp 0.5s ease both;
    }

    .mobile-brand {
        display: block;
    }

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

    .login-header h2 {
        font-size: 24px;
    }

    .login-button {
        min-height: 48px;
        font-size: 15px;
    }
}

/* --- Celular --- */
@media (max-width: 640px) {
    .login-panel {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .login-card {
        padding: var(--spacing-lg) var(--spacing-md);
        border-radius: var(--radius-sm);
        box-shadow: var(--shadow-sm);
    }

    .login-header h2 {
        font-size: 22px;
    }

    .login-header p {
        font-size: 13px;
    }

    .login-options {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .remember-field {
        font-size: 14px;
    }

    .forgot-password-button {
        font-size: 14px;
        align-self: flex-start;
    }

    .login-button {
        min-height: 48px;
        font-size: 15px;
    }

    .login-footer {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--spacing-sm);
    }

    .page-loading-card {
        padding: var(--spacing-lg) var(--spacing-md);
        margin: var(--spacing-md);
        width: calc(100% - 32px);
    }

    .input-wrapper input {
        height: 40px;
        font-size: 14px;
    }

    .input-icon {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    .password-toggle {
        height: 40px;
        font-size: 12px;
        padding: 0 var(--spacing-sm);
    }

    .visual-features {
        display: none;
    }

    .visual-message {
        display: none;
    }
}

/* --- Celular muito pequeno --- */
@media (max-width: 380px) {
    .login-card {
        padding: var(--spacing-md);
    }

    .login-header h2 {
        font-size: 20px;
    }

    .login-button {
        font-size: 14px;
        min-height: 44px;
    }
}

/* =========================================================
   MOVIMENTO REDUZIDO
========================================================= */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* =========================================================
   IMPRESSÃO
========================================================= */

@media print {
    .login-visual {
        display: none;
    }
    .login-panel {
        padding: 0;
        min-height: auto;
    }
    .login-card {
        box-shadow: none;
        border: 1px solid #ccc;
        max-width: 100%;
    }
    .login-button {
        background: #000 !important;
        color: #fff !important;
    }
    .page-loading {
        display: none !important;
    }
}