/* Reset e Variáveis */
:root {
    --primary-color: #0446a5;
    --primary-dark: #033a8a;
    --primary-light: #0a5bc4;
    --text-primary: #1a1a1a;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --border-color: #e5e7eb;
    --error-color: #ef4444;
    --success-color: #10b981;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

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

body {
    font-family: 'Quicksand', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--primary-color);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    color: var(--text-primary);
    line-height: 1.6;
}

/* Container Principal */
.login-container {
    position: relative;
    width: 100%;
    max-width: 440px;
    z-index: 1;
}

/* Card de Login */
.login-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-xl);
    padding: 3rem 2.5rem;
    box-shadow: var(--shadow-xl);
    position: relative;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

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

.logo-container {
    margin-bottom: 1.5rem;
}

.logo {
    max-width: 120px;
    height: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.login-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.login-subtitle {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* Formulário */
.login-form {
    margin-bottom: 2rem;
}

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

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.input-wrapper {
    position: relative;
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 3rem;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.2s ease;
    font-family: inherit;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(4, 70, 165, 0.1);
}

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

.input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    pointer-events: none;
    transition: color 0.2s ease;
}

.form-input:focus + .input-icon,
.form-input:not(:placeholder-shown) + .input-icon {
    color: var(--primary-color);
}

/* Botão */
.btn-primary {
    width: 100%;
    padding: 0.875rem 1.5rem;
    background: var(--primary-color);
    color: #ffffff !important;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(4, 70, 165, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary::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: left 0.5s ease;
}

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

.btn-primary:hover {
    opacity: 0.9;
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px -1px rgba(4, 70, 165, 0.3);
}

.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-primary .btn-text {
    color: #ffffff !important;
}

.btn-loader {
    display: flex;
    align-items: center;
}

.spinner {
    animation: spin 1s linear infinite;
}

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

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

.footer-text {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.footer-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

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

/* Decoração de Fundo */
.background-decoration {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(4, 70, 165, 0.1) 0%, rgba(4, 70, 165, 0.05) 100%);
    filter: blur(60px);
    animation: float 20s ease-in-out infinite;
}

.circle-1 {
    width: 400px;
    height: 400px;
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.circle-2 {
    width: 300px;
    height: 300px;
    bottom: -150px;
    left: -150px;
    animation-delay: 5s;
}

.circle-3 {
    width: 250px;
    height: 250px;
    top: 50%;
    left: 10%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

/* Responsivo */
@media (max-width: 640px) {
    .login-card {
        padding: 2rem 1.5rem;
    }
    
    .login-title {
        font-size: 1.75rem;
    }
    
    .logo {
        max-width: 100px;
    }
}

/* Animações de entrada */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-card {
    animation: fadeInUp 0.6s ease-out;
}

/* Estados de erro */
.form-input.error {
    border-color: var(--error-color);
}

.form-input.error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.error-message {
    color: var(--error-color);
    font-size: 0.8125rem;
    margin-top: 0.5rem;
    display: none;
}

.form-input.error ~ .error-message {
    display: block;
}