/* Reset e configurações básicas */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores principais */
    --primary-blue: #1e3a8a;
    --primary-blue-light: #3b82f6;
    --secondary-blue: #1e1b4b;
    --accent-blue: #67e8f9;
    --accent-blue-dark: #06b6d4;
    
    /* Cores neutras */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Estados */
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transições */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #dbeafe 100%);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Container principal */
.login-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: 1rem 0;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 100;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    width: 60px;
    height: 60px;
    background-color: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.2rem;
    animation: float 12s ease-in-out infinite;
}

.logo-section h1 {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, #8CC63F, #FFFFFF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-info {
    text-align: right;
}

.system-version {
    font-size: 0.9rem;
    color: var(--gray-300);
    font-weight: 500;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    z-index: 10;
}

/* Login Card */
.login-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    width: 100%;
    max-width: 450px;
    position: relative;
    animation: slideInUp 0.8s ease-out;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-blue-dark), var(--primary-blue));
    border-radius: 24px 24px 0 0;
}

/* Login Header */
.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-logo {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--white);
    margin: 0 auto 1.5rem;
    box-shadow: var(--shadow-lg);
    animation: pulse 2s ease-in-out infinite;
}

.login-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
}

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

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

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

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

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

.input-container input:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.input-container input:focus + .floating-label,
.input-container input:not(:placeholder-shown) + .floating-label {
    transform: translateY(-2.5rem) scale(0.85);
    color: var(--primary-blue);
    background: var(--white);
    padding: 0 0.5rem;
}

.floating-label {
    position: absolute;
    left: 3rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-500);
    font-size: 1rem;
    pointer-events: none;
    transition: var(--transition);
    z-index: 1;
}

.input-icon {
    position: absolute;
    left: 1rem;
    color: var(--gray-400);
    font-size: 1.1rem;
    z-index: 2;
    transition: var(--transition);
}

.input-container input:focus ~ .input-icon {
    color: var(--primary-blue);
}

.password-toggle {
    position: absolute;
    right: 1rem;
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0.5rem;
    border-radius: 6px;
    transition: var(--transition);
    z-index: 2;
}

.password-toggle:hover {
    color: var(--primary-blue);
    background: rgba(59, 130, 246, 0.1);
}

.input-border {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--primary-blue));
    transition: var(--transition);
    border-radius: 0 0 12px 12px;
}

.input-container input:focus ~ .input-border {
    width: 100%;
}

.error-message {
    color: var(--error);
    font-size: 0.85rem;
    margin-left: 0.5rem;
    opacity: 0;
    transform: translateY(-10px);
    transition: var(--transition);
}

.error-message.show {
    opacity: 1;
    transform: translateY(0);
}

/* Form Options */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0.5rem 0;
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--gray-700);
}

.checkbox-container input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-300);
    border-radius: 4px;
    position: relative;
    transition: var(--transition);
}

.checkmark::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 6px;
    height: 10px;
    border: solid var(--white);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) scale(0);
    transition: var(--transition);
}

.checkbox-container input[type="checkbox"]:checked + .checkmark {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
}

.checkbox-container input[type="checkbox"]:checked + .checkmark::after {
    transform: rotate(45deg) scale(1);
}

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

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

/* Login Button */
.login-btn {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-dark));
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1rem;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.login-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: var(--transition);
}

.login-btn:hover::before {
    left: 100%;
}

.btn-loading {
    display: none;
}

.login-btn.loading .btn-text,
.login-btn.loading .btn-icon {
    display: none;
}

.login-btn.loading .btn-loading {
    display: block;
}

/* Divider */
.login-divider {
    text-align: center;
    margin: 2rem 0 1.5rem;
    position: relative;
}

.login-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gray-200);
}

.login-divider span {
    background: var(--white);
    padding: 0 1rem;
    color: var(--gray-500);
    font-size: 0.9rem;
    position: relative;
    z-index: 1;
}

/* Alternative Login */
.alternative-login {
    display: flex;
    gap: 1rem;
}

.alt-login-btn {
    flex: 1;
    background: var(--white);
    border: 2px solid var(--gray-200);
    color: var(--gray-700);
    padding: 0.75rem 1rem;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.alt-login-btn:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    background: rgba(59, 130, 246, 0.05);
}

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

.system-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* Background Elements */
.background-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.floating-element {
    position: absolute;
    color: rgba(59, 130, 246, 0.1);
    font-size: 3rem;
    animation: float 8s ease-in-out infinite;
}

.element-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.element-2 {
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.element-3 {
    bottom: 30%;
    left: 20%;
    animation-delay: 4s;
}

.element-4 {
    top: 40%;
    right: 30%;
    animation-delay: 6s;
}

/* Success Modal */
.success-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    background: var(--white);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-xl);
    text-align: center;
    z-index: 1000;
    transition: var(--transition);
    min-width: 300px;
}

.success-modal.show {
    transform: translate(-50%, -50%) scale(1);
}

.success-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--success), #059669);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--white);
    margin: 0 auto 1.5rem;
    animation: successPulse 1s ease-out;
}

.success-modal h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
}

.success-modal p {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--gray-200);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--success), #059669);
    width: 0;
    transition: width 3s ease-out;
}

.success-modal.show .progress-fill {
    width: 100%;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

/* Animações */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

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

@keyframes successPulse {
    0% { transform: scale(0); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        padding: 0 1rem;
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .login-card {
        padding: 2rem 1.5rem;
        margin: 1rem 0;
    }
    
    .logo-section h1 {
        font-size: 1.5rem;
    }
    
    .login-header h2 {
        font-size: 1.5rem;
    }
    
    .alternative-login {
        flex-direction: column;
    }
    
    .floating-element {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 1.5rem 1rem;
        border-radius: 16px;
    }
    
    .login-logo {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }
    
    .form-options {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .floating-element {
        display: none;
    }
}

/* Estados de erro */
.input-container.error input {
    border-color: var(--error);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

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

.input-container.error .floating-label {
    color: var(--error);
}

/* Estados de sucesso */
.input-container.success input {
    border-color: var(--success);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.input-container.success .input-icon {
    color: var(--success);
}

/* Loading states */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

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

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--secondary-blue), var(--primary-blue));
}