:root {
    --perplan-primary: #0A3E15;
    --perplan-primary-light: #0F5520;
    --perplan-primary-dark: #062810;
    --perplan-accent: #1a7f37;
    --color-success: #22c55e;
    --color-error: #ef4444;
    --color-warning: #f59e0b;
    
    --text-primary: #1a1a1a;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    
    --bg-white: #ffffff;
    --bg-light: #f9fafb;
    --bg-gray: #f3f4f6;
    
    --border-color: #e5e7eb;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-light);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Container Principal */
.login-container {
    display: grid;
    grid-template-columns: 50% 50%;
    min-height: 100vh;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-base);
}

.login-container.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* Lado Esquerdo - Branding */
.login-left {
    background: linear-gradient(135deg, var(--perplan-primary) 0%, var(--perplan-primary-dark) 100%);
    padding: 60px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.login-left::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: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.branding-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 480px;
}

.logo {
    width: 120px;
    height: auto;
    margin-bottom: 40px;
    filter: brightness(0) invert(1);
}

.welcome-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
    line-height: 1.2;
}

.welcome-subtitle {
    font-size: 1.125rem;
    color: rgba(255,255,255,0.85);
    margin-bottom: 48px;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 16px;
    color: white;
    font-size: 1.05rem;
    padding: 16px 24px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--border-radius-sm);
    backdrop-filter: blur(10px);
    transition: var(--transition-base);
}

.feature-item:hover {
    background: rgba(255,255,255,0.15);
    transform: translateX(8px);
}

.feature-item i {
    font-size: 1.5rem;
    color: var(--color-success);
}

.illustration {
    margin-top: 40px;
    opacity: 0.6;
}

.illustration svg {
    width: 100%;
    max-width: 400px;
    height: auto;
}

/* Lado Direito - Formulário */
.login-right {
    background: var(--bg-white);
    padding: 60px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 80px;
}

.form-wrapper {
    width: 100%;
    max-width: 460px;
}

.form-header {
    margin-bottom: 40px;
}

.form-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-header p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Alertas */
.alert {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 24px;
    font-size: 0.9rem;
    animation: slideDown 0.3s ease-out;
}

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

.alert-error {
    background: #fef2f2;
    color: var(--color-error);
    border: 1px solid #fecaca;
}

.alert-success {
    background: #f0fdf4;
    color: var(--color-success);
    border: 1px solid #bbf7d0;
}

/* Formulário */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 18px;
    color: var(--text-light);
    font-size: 1rem;
    pointer-events: none;
    transition: var(--transition-base);
}

.form-input {
    width: 100%;
    padding: 14px 18px 14px 50px;
    font-size: 0.95rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-white);
    color: var(--text-primary);
    transition: var(--transition-base);
    font-family: inherit;
}

.form-input:focus {
    outline: none;
    border-color: var(--perplan-primary);
    box-shadow: 0 0 0 4px rgba(10, 62, 21, 0.1);
}

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

.form-input::placeholder {
    color: var(--text-light);
}

.input-error {
    border-color: var(--color-error);
}

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

.error-message {
    font-size: 0.85rem;
    color: var(--color-error);
    margin-top: 4px;
}

.toggle-password {
    position: absolute;
    right: 18px;
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 8px;
    transition: var(--transition-base);
}

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

/* Opções do Formulário */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: -8px;
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
}

.checkbox-wrapper input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--perplan-primary);
}

.checkbox-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.forgot-password {
    font-size: 0.9rem;
    color: var(--perplan-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-base);
}

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

/* Botão de Login */
.btn-login {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--perplan-primary) 0%, var(--perplan-primary-light) 100%);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
    margin-top: 8px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--perplan-primary-light) 0%, var(--perplan-accent) 100%);
}

.btn-login:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-login i {
    transition: var(--transition-base);
}

.btn-login:hover i {
    transform: translateX(4px);
}

/* Divider */
.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 32px 0;
    color: var(--text-light);
    font-size: 0.85rem;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-color);
}

.divider span {
    padding: 0 16px;
}

/* Login Social */
.social-login {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-base);
    color: var(--text-primary);
}

.btn-social:hover {
    border-color: var(--perplan-primary);
    background: var(--bg-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-social i {
    font-size: 1.1rem;
}

.btn-google:hover {
    border-color: #4285f4;
    color: #4285f4;
}

.btn-microsoft:hover {
    border-color: #00a4ef;
    color: #00a4ef;
}

/* Footer */
.form-footer {
    margin-top: 40px;
    text-align: center;
}

.form-footer p {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .login-container {
        grid-template-columns: 1fr;
    }
    
    .login-left {
        display: none;
    }
    
    .login-right {
        padding: 40px 24px;
    }
}

@media (max-width: 640px) {
    .login-right {
        padding: 32px 20px;
    }
    
    .form-wrapper {
        max-width: 100%;
    }
    
    .form-header h2 {
        font-size: 1.75rem;
    }
    
    .social-login {
        grid-template-columns: 1fr;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}

/* Animações adicionais */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-group {
    animation: fadeInUp 0.5s ease-out backwards;
}

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.2s; }
.btn-login { animation: fadeInUp 0.5s ease-out 0.3s backwards; }