:root {
    --primary: #0057D9;
    --secondary: #00C97B;
    --accent: #FF6B35;
    --light-gray: #F8F9FA;
    --medium-gray: #6C757D;
    --dark: #2C3E50;
    --white: #FFFFFF;
    --error: #DC3545;
    --success: #28A745;
    --shadow: 0 10px 40px rgba(44, 62, 80, 0.1);
    --shadow-hover: 0 20px 60px rgba(44, 62, 80, 0.15);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--white);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Login Container */
.login-container {
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow);
    overflow: hidden;
    width: 100%;
    max-width: 400px;
    position: relative;
    animation: slideUp 0.6s ease;
}

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

/* Header */
.login-header {
    background: var(--primary);
    color: white;
    padding: 2rem;
    text-align: center;
    position: relative;
}

.login-header::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 20px;
    background: var(--white);
    border-radius: 20px 20px 0 0;
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: block;
}

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

/* Form */
.login-form {
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--dark);
    font-weight: 500;
    font-size: 0.9rem;
}

.form-input {
    width: 100%;
    padding: 1rem;
    padding-left: 3rem;
    border: 2px solid #E9ECEF;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--white);
    color: var(--dark);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 87, 217, 0.1);
    transform: translateY(-2px);
}

.form-input:valid {
    border-color: var(--success);
}

/* Input wrapper para ícones */
.input-wrapper {
    position: relative;
}

.password-wrapper {
    position: relative;
}

/* Input Icons - Centralizado verticalmente */
.input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--medium-gray);
    font-size: 1.1rem;
    transition: color 0.3s ease;
    z-index: 2;
    pointer-events: none;
}

/* Quando o wrapper é usado, o ícone fica dentro dele */
.input-wrapper .input-icon,
.password-wrapper .input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--medium-gray);
    font-size: 1.1rem;
    transition: color 0.3s ease;
    z-index: 2;
    pointer-events: none;
}

.form-input:focus ~ .input-icon,
.input-wrapper .form-input:focus ~ .input-icon,
.password-wrapper .form-input:focus ~ .input-icon {
    color: var(--primary);
}

/* Toggle password visibility */
.toggle-password {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--medium-gray);
    z-index: 10;
    padding: 5px;
    transition: color 0.3s ease;
    font-size: 1.1rem;
}

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

/* Ajuste do padding para input com toggle password */
.password-wrapper .form-input {
    padding-right: 3rem;
}

/* Link esqueceu senha */
.forgot-password-link {
    display: inline-block;
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.forgot-password-link:hover {
    color: #003db3;
    text-decoration: underline;
}

/* Submit Button */
.btn-login {
    width: 100%;
    padding: 1rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.btn-login:hover {
    background: #003db3;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

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

.btn-login:disabled {
    background: var(--medium-gray);
    cursor: not-allowed;
    transform: none;
}

/* Loading state */
.btn-login.loading {
    color: transparent;
}

.btn-login.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid transparent;
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Links */
.form-links {
    text-align: center;
    margin-top: 1.5rem;
}

.form-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    position: relative;
}

.form-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 50%;
    background: var(--primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.form-link:hover::after {
    width: 100%;
}

.form-link:hover {
    color: #003db3;
}

/* Divider */
.divider {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
    color: var(--medium-gray);
    font-size: 0.9rem;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #E9ECEF;
}

.divider::before {
    margin-right: 1rem;
}

.divider::after {
    margin-left: 1rem;
}

/* Alert Messages */
.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    border: none;
    animation: slideDown 0.3s ease;
}

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

.alert-error {
    background: rgba(220, 53, 69, 0.1);
    color: var(--error);
    border-left: 4px solid var(--error);
}

.alert-success {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success);
    border-left: 4px solid var(--success);
}

/* Footer */
.login-footer {
    text-align: center;
    padding: 1rem 2rem 2rem;
    color: var(--medium-gray);
    font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 480px) {
    .login-container {
        margin: 10px;
        border-radius: 15px;
    }
    
    .login-header {
        padding: 1.5rem;
    }
    
    .login-form {
        padding: 1.5rem;
    }
    
    .logo {
        font-size: 1.8rem;
    }
}

/* Accessibility */
.form-input:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

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

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --light-gray: #1a1a1a;
        --white: #2d2d2d;
        --dark: #ffffff;
        --medium-gray: #b0b0b0;
    }
    
    .form-input {
        background: #3a3a3a;
        border-color: #4a4a4a;
        color: white;
    }
    
    .form-input:focus {
        border-color: var(--primary);
    }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary);
}

/* Type selector para cadastro */
.type-selector {
    display: flex;
    background: #f8f9fa;
    border-radius: 12px;
    padding: 4px;
    margin-bottom: 2rem;
}

.type-option {
    flex: 1;
    padding: 12px;
    text-align: center;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    color: #666;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.type-option.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 87, 217, 0.3);
}

.type-option:hover:not(.active) {
    background: #e9ecef;
    color: #495057;
}

@media (max-width: 480px) {
    .type-option {
        font-size: 0.9rem;
        padding: 10px 8px;
    }
    
    .type-option i {
        font-size: 0.8rem;
    }
}