/* style.css - Versão Profissional com Tema Educacional */

/* Importação de Fontes */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Poppins:wght@300;400;500;600;700&display=swap');

/* Reset e Variáveis */
:root {
    --primary: #4361ee;
    --primary-light: #4895ef;
    --primary-dark: #3f37c9;
    --secondary: #f72585;
    --success: #4cc9f0;
    --warning: #f8961e;
    --danger: #f94144;
    --dark: #1e2b3c;
    --light: #f8f9fa;
    --gray: #adb5bd;
    --border: #dee2e6;
    --gradient-1: linear-gradient(135deg, #4361ee 0%, #3a0ca3 100%);
    --gradient-2: linear-gradient(135deg, #f72585 0%, #b5179e 100%);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
}

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

body {
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Container principal com fundo animado */
.container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
}

/* Elementos decorativos animados */
.container::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(45deg);
    top: -50%;
    left: -50%;
    animation: shine 20s linear infinite;
}

.container::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    top: -100px;
    right: -100px;
    animation: float 15s ease-in-out infinite;
}

/* Partículas flutuantes */
.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    pointer-events: none;
}

@keyframes shine {
    0% {
        transform: rotate(45deg) translateY(-50%);
    }
    100% {
        transform: rotate(45deg) translateY(50%);
    }
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0);
    }
    50% {
        transform: translate(50px, 50px);
    }
}

/* Card de Login */
.login-wrapper {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 480px;
    padding: 20px;
    animation: fadeInUp 0.8s ease-out;
}

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

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Header do Login */
.login-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 40px 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.login-header::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 20s linear infinite;
}

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

.logo-wrapper {
    position: relative;
    z-index: 2;
}

.logo-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    border: 3px solid rgba(255, 255, 255, 0.5);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 20px 10px rgba(255, 255, 255, 0.2);
    }
}

.logo-icon i {
    font-size: 40px;
    color: white;
}

.login-header h1 {
    color: white;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 5px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.login-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 15px;
    font-weight: 400;
}

/* Corpo do Login */
.login-body {
    padding: 40px 30px;
}

/* Estilo dos Campos */
.input-group {
    margin-bottom: 25px;
    position: relative;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--dark);
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s;
}

.input-group label i {
    color: var(--primary);
    margin-right: 8px;
    width: 18px;
}

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

.input-wrapper i {
    position: absolute;
    left: 15px;
    color: var(--gray);
    font-size: 16px;
    transition: all 0.3s;
    z-index: 2;
}

.input-wrapper input,
.input-wrapper select {
    width: 100%;
    padding: 14px 15px 14px 45px;
    border: 2px solid var(--border);
    border-radius: 15px;
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    background: white;
    transition: all 0.3s;
    color: var(--dark);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

/* Estilo personalizado para select */
.input-wrapper select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 16px;
}

.input-wrapper select:hover {
    cursor: pointer;
    background-color: #f8f9fa;
}

.input-wrapper input:hover,
.input-wrapper select:hover {
    border-color: var(--primary-light);
}

.input-wrapper input:focus,
.input-wrapper select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(67, 97, 238, 0.1);
    outline: none;
}

.input-wrapper input:focus + i,
.input-wrapper select:focus + i {
    color: var(--primary);
}

/* Placeholder styling */
.input-wrapper input::placeholder {
    color: var(--gray);
    font-weight: 300;
}

/* Mensagem de erro */
.error-message {
    background: #fee;
    color: var(--danger);
    padding: 15px 20px;
    border-radius: 15px;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-left: 4px solid var(--danger);
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.error-message i {
    font-size: 18px;
}

/* Botão de Login */
.btn-login-wrapper {
    margin-top: 30px;
}

.btn-login {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 15px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.btn-login::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;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(102, 126, 234, 0.4);
}

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

.btn-login i {
    font-size: 18px;
    transition: transform 0.3s;
}

.btn-login:hover i {
    transform: translateX(5px);
}

/* Footer do Login */
.login-footer {
    margin-top: 30px;
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.login-footer a {
    color: var(--gray);
    text-decoration: none;
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s;
    padding: 8px 15px;
    border-radius: 30px;
    background: var(--light);
}

.login-footer a:hover {
    color: var(--primary);
    background: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.login-footer a i {
    font-size: 12px;
}

/* Informações extras */
.login-info {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray);
    font-size: 12px;
    background: var(--light);
    padding: 8px 15px;
    border-radius: 30px;
}

.info-item i {
    color: var(--primary);
    font-size: 14px;
}

/* Loading state */
.btn-login.loading {
    pointer-events: none;
    opacity: 0.8;
}

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

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

/* Responsividade */
@media (max-width: 768px) {
    .login-wrapper {
        padding: 15px;
    }
    
    .login-header {
        padding: 30px 20px;
    }
    
    .logo-icon {
        width: 60px;
        height: 60px;
    }
    
    .logo-icon i {
        font-size: 30px;
    }
    
    .login-header h1 {
        font-size: 24px;
    }
    
    .login-body {
        padding: 30px 20px;
    }
    
    .input-wrapper input,
    .input-wrapper select {
        padding: 12px 15px 12px 40px;
    }
    
    .info-item {
        padding: 6px 12px;
        font-size: 11px;
    }
}

@media (max-width: 480px) {
    .login-info {
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }
    
    .info-item {
        width: 100%;
        justify-content: center;
    }
}

/* Animações de foco */
.input-wrapper {
    position: relative;
}

.input-wrapper .focus-border {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: all 0.3s;
    transform: translateX(-50%);
}

.input-wrapper input:focus ~ .focus-border,
.input-wrapper select:focus ~ .focus-border {
    width: 100%;
}

/* Tooltip de ajuda */
.help-tip {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
    cursor: help;
    font-size: 14px;
    z-index: 3;
}

.help-tip:hover {
    color: var(--primary);
}

/* Efeito de vidro no card */
.glass-effect {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

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

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

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

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