/* ============================================
   LOGIN MODERNO 2026 - ZENY ERP
   Design System: Glassmorphism + Gradientes
   ============================================ */

:root {
    /* Cores do Design System */
    --primary-500: #6366f1;
    --primary-600: #4f46e5;
    --primary-700: #4338ca;
    --success-500: #22c55e;
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;

    /* Sombras */
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

    /* Transições */
    --transition: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

body.login-page {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    overflow: hidden;
    height: 100vh;
    position: relative;
}

/* ============================================
   BACKGROUND PROFISSIONAL
   ============================================ */

.login-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    z-index: 0;
}

.login-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(236, 72, 153, 0.3) 0%, transparent 50%);
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* Elementos decorativos sutis */
.login-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
    display: none; /* Esconder partículas */
}

.particle {
    position: absolute;
    background: rgba(99, 102, 241, 0.08);
    border-radius: 2px;
    animation: floatSubtle linear infinite;
}

.particle:nth-child(1) { width: 4px; height: 40px; left: 10%; animation-duration: 25s; animation-delay: 0s; }
.particle:nth-child(2) { width: 3px; height: 30px; left: 25%; animation-duration: 30s; animation-delay: 5s; }
.particle:nth-child(3) { width: 5px; height: 50px; left: 45%; animation-duration: 35s; animation-delay: 10s; }
.particle:nth-child(4) { width: 3px; height: 35px; left: 60%; animation-duration: 28s; animation-delay: 3s; }
.particle:nth-child(5) { width: 4px; height: 45px; left: 75%; animation-duration: 32s; animation-delay: 8s; }
.particle:nth-child(6) { width: 3px; height: 30px; left: 85%; animation-duration: 27s; animation-delay: 12s; }
.particle:nth-child(7) { width: 4px; height: 40px; left: 95%; animation-duration: 29s; animation-delay: 6s; }

@keyframes floatSubtle {
    0% {
        transform: translateY(100vh) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 0.15;
    }
    90% {
        opacity: 0.15;
    }
    100% {
        transform: translateY(-100px) translateX(20px);
        opacity: 0;
    }
}

/* ============================================
   CONTAINER PRINCIPAL
   ============================================ */

.login-container {
    position: relative;
    z-index: 10;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

/* ============================================
   CARD DE LOGIN - GLASSMORPHISM
   ============================================ */

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 24px;
    box-shadow:
        0 8px 32px 0 rgba(31, 38, 135, 0.15),
        0 0 0 1px rgba(255, 255, 255, 0.18);
    width: 100%;
    max-width: 1100px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    overflow: hidden;
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   LADO ESQUERDO - ILUSTRAÇÃO
   ============================================ */

.login-visual {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.login-visual::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.login-logo {
    position: relative;
    z-index: 2;
    margin-bottom: 2rem;
    text-align: center;
}

.login-logo img {
    max-width: 180px;
    height: auto;
}

.login-illustration {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 400px;
}

.login-illustration svg {
    width: 100%;
    height: auto;
}

.login-visual-text {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    margin-top: 2rem;
}

.login-visual-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.login-visual-subtitle {
    font-size: 1rem;
    opacity: 0.9;
    font-weight: 400;
}

/* ============================================
   LADO DIREITO - FORMULÁRIO
   ============================================ */

.login-form-wrapper {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-header {
    margin-bottom: 2.5rem;
}

.login-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.login-subtitle {
    font-size: 0.95rem;
    color: var(--gray-600);
}

/* ============================================
   FORMULÁRIO
   ============================================ */

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.form-label i {
    font-size: 1rem;
    color: var(--primary-500);
}

.form-input-wrapper {
    position: relative;
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    padding-left: 3rem;
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    font-size: 0.95rem;
    color: var(--gray-900);
    background: white;
    transition: all var(--transition);
    outline: none;
}

.form-input::placeholder {
    color: var(--gray-500);
}

.form-input:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-input.is-invalid {
    border-color: #ef4444;
}

.form-input.is-invalid:focus {
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

.input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.25rem;
    color: var(--gray-500);
    transition: color var(--transition);
    pointer-events: none;
}

.form-input:focus + .input-icon {
    color: var(--primary-500);
}

.form-error {
    font-size: 0.8125rem;
    color: #ef4444;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-top: 0.25rem;
}

.form-error i {
    font-size: 0.875rem;
}

/* ============================================
   CHECKBOX E ESQUECI SENHA
   ============================================ */

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: -0.5rem;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    border: 2px solid var(--gray-300);
    border-radius: 4px;
    cursor: pointer;
    accent-color: var(--primary-500);
}

.form-checkbox label {
    font-size: 0.875rem;
    color: var(--gray-700);
    cursor: pointer;
    user-select: none;
}

.forgot-password {
    font-size: 0.875rem;
    color: var(--primary-600);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition);
}

.forgot-password:hover {
    color: var(--primary-700);
    text-decoration: underline;
}

/* ============================================
   BOTÃO DE LOGIN
   ============================================ */

.btn-login {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

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

.btn-login i {
    font-size: 1.25rem;
}

/* Estado de loading */
.btn-login.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn-login.loading i {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ============================================
   FOOTER
   ============================================ */

.login-footer {
    margin-top: 2rem;
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-200);
}

.login-footer-text {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.login-footer-link {
    color: var(--primary-600);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition);
}

.login-footer-link:hover {
    color: var(--primary-700);
    text-decoration: underline;
}

/* ============================================
   SUPORTE
   ============================================ */

.login-support {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-700);
}

.login-support i {
    font-size: 1.125rem;
    color: var(--primary-500);
}

.login-support a {
    color: var(--primary-600);
    text-decoration: none;
    font-weight: 600;
}

.login-support a:hover {
    text-decoration: underline;
}

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

@media (max-width: 992px) {
    .login-card {
        grid-template-columns: 1fr;
        max-width: 500px;
    }

    .login-visual {
        display: none;
    }

    .login-form-wrapper {
        padding: 2.5rem 2rem;
    }
}

@media (max-width: 640px) {
    .login-container {
        padding: 1rem;
    }

    .login-card {
        border-radius: 16px;
    }

    .login-form-wrapper {
        padding: 2rem 1.5rem;
    }

    .login-title {
        font-size: 1.75rem;
    }

    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .login-support {
        bottom: 1rem;
        left: 1rem;
        right: 1rem;
        transform: none;
        justify-content: center;
    }
}

/* ============================================
   MODAL RECUPERAR SENHA
   ============================================ */

.modal-recuperar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.modal-recuperar-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.modal-recuperar-content {
    position: relative;
    background: white;
    border-radius: 16px;
    width: 90%;
    max-width: 480px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-recuperar-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-recuperar-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
}

.modal-recuperar-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-500);
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all var(--transition);
}

.modal-recuperar-close:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

.modal-recuperar-body {
    padding: 2rem;
}

.modal-recuperar-footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

.btn-modal {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-modal.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
}

.btn-modal.btn-secondary:hover {
    background: var(--gray-200);
}

.btn-modal.btn-primary {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-modal.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

/* ============================================
   ANIMAÇÕES DE ENTRADA
   ============================================ */

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-delay-1 { animation-delay: 0.1s; animation-fill-mode: both; }
.fade-in-delay-2 { animation-delay: 0.2s; animation-fill-mode: both; }
.fade-in-delay-3 { animation-delay: 0.3s; animation-fill-mode: both; }
.fade-in-delay-4 { animation-delay: 0.4s; animation-fill-mode: both; }