/* ========================================
   TELA DE LOGIN - DESIGN PREMIUM
   ======================================== */

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    background: #0f172a;
}

/* Background com Gradiente Animado */
.login-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(147, 51, 234, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(236, 72, 153, 0.2) 0%, transparent 50%);
    animation: gradientMove 15s ease-in-out infinite;
}

@keyframes gradientMove {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(5%, 5%) rotate(120deg); }
    66% { transform: translate(-5%, 5%) rotate(240deg); }
}

/* Grid Pattern */
.login-page::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

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

.login-container {
    width: 100%;
    max-width: 480px;
    position: relative;
    z-index: 10;
}

.login-card {
    background: rgba(255, 255, 255, 0.98);
    border-radius: 32px;
    box-shadow: 
        0 0 0 1px rgba(255, 255, 255, 0.1),
        0 30px 80px rgba(0, 0, 0, 0.4),
        0 10px 40px rgba(59, 130, 246, 0.2);
    padding: 3.5rem 3rem;
    animation: cardEntrance 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
}

/* Brilho sutil no topo do card */
.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(59, 130, 246, 0.5) 20%,
        rgba(147, 51, 234, 0.5) 50%,
        rgba(236, 72, 153, 0.5) 80%,
        transparent 100%
    );
}

/* Glow effect nos cantos */
.login-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

@keyframes cardEntrance {
    0% {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ========================================
   LOGO E BRANDING
   ======================================== */

.logo-container {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.logo {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin: 0 auto 1.5rem;
    border-radius: 24px;
    box-shadow: 
        0 10px 30px rgba(59, 130, 246, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
    position: relative;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #ec4899 100%);
    animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.logo:hover {
    transform: translateY(-8px) rotate(5deg) scale(1.05);
    box-shadow: 
        0 15px 40px rgba(59, 130, 246, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.2);
}

/* Anel de glow ao redor da logo */
.logo-container::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -60%);
    width: 140px;
    height: 140px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
    z-index: -1;
}

@keyframes pulse {
    0%, 100% { 
        transform: translate(-50%, -60%) scale(1);
        opacity: 0.5;
    }
    50% { 
        transform: translate(-50%, -60%) scale(1.1);
        opacity: 0.8;
    }
}

.brand-name {
    font-size: 2.25rem;
    font-weight: 900;
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
    text-shadow: 0 2px 10px rgba(59, 130, 246, 0.2);
    position: relative;
}

.brand-tagline {
    font-size: 1rem;
    color: var(--gray-600);
    margin: 0;
    font-weight: 500;
    letter-spacing: 0.3px;
}

/* ========================================
   FORMULÁRIO DE AUTENTICAÇÃO
   ======================================== */

.auth-form {
    width: 100%;
    position: relative;
    z-index: 1;
}

.auth-form .form-group {
    margin-bottom: 1.75rem;
    position: relative;
}

.auth-form label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--gray-700);
    letter-spacing: 0.3px;
}

/* Ícones nos labels */
.auth-form label::before {
    content: '●';
    color: #3b82f6;
    font-size: 0.5rem;
}

.auth-form input {
    width: 100%;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: linear-gradient(to bottom, #ffffff 0%, #f8fafc 100%);
    box-shadow: 
        0 1px 2px rgba(0, 0, 0, 0.05),
        inset 0 1px 1px rgba(255, 255, 255, 0.9);
}

.auth-form input:focus {
    background: #ffffff;
    border-color: #3b82f6;
    box-shadow: 
        0 0 0 4px rgba(59, 130, 246, 0.1),
        0 4px 12px rgba(59, 130, 246, 0.15);
    transform: translateY(-2px);
}

.auth-form input::placeholder {
    color: var(--gray-400);
    font-weight: 400;
}

/* Efeito de shine ao focar */
.auth-form .form-group::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(59, 130, 246, 0.1) 50%, 
        transparent 100%
    );
    transform: translateX(-100%);
    transition: transform 0.6s;
    pointer-events: none;
    border-radius: 16px;
}

.auth-form .form-group:focus-within::after {
    transform: translateX(100%);
}

.auth-form .btn {
    width: 100%;
    padding: 1.125rem;
    font-size: 1.0625rem;
    font-weight: 700;
    margin-top: 1rem;
    border-radius: 16px;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #ec4899 100%);
    background-size: 200% 200%;
    border: none;
    color: white;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 10px 25px rgba(59, 130, 246, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.2) inset;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
}

/* Efeito de brilho no botão */
.auth-form .btn::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, 
        transparent 30%, 
        rgba(255, 255, 255, 0.3) 50%, 
        transparent 70%
    );
    transform: rotate(45deg);
    animation: buttonShine 3s linear infinite;
}

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

.auth-form .btn:hover {
    transform: translateY(-4px);
    box-shadow: 
        0 15px 35px rgba(59, 130, 246, 0.4),
        0 5px 15px rgba(147, 51, 234, 0.3);
    background-position: 100% 50%;
}

.auth-form .btn:active {
    transform: translateY(-2px);
}

.form-footer {
    margin-top: 2.5rem;
    text-align: center;
    font-size: 0.9375rem;
    color: var(--gray-600);
    padding-top: 2rem;
    border-top: 1px solid var(--gray-200);
}

.form-footer a {
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    transition: all var(--transition-fast);
    position: relative;
}

.form-footer a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    transition: width 0.3s;
}

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

/* ========================================
   MODAL DE CADASTRO
   ======================================== */

.modal {
    backdrop-filter: blur(8px);
    background-color: rgba(15, 23, 42, 0.8);
}

.modal-content {
    border-radius: 28px;
    max-width: 520px;
    box-shadow: 
        0 0 0 1px rgba(255, 255, 255, 0.1),
        0 30px 80px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.modal-header {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #ec4899 100%);
    color: white;
    padding: 2rem 2.5rem;
    position: relative;
    overflow: hidden;
}

/* Efeito de partículas no header */
.modal-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 20px 20px;
    animation: particles 20s linear infinite;
}

@keyframes particles {
    0% { transform: translate(0, 0); }
    100% { transform: translate(20px, 20px); }
}

.modal-header h2 {
    color: white;
    font-size: 1.75rem;
    font-weight: 800;
    margin: 0;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.close-modal {
    color: white;
    opacity: 0.9;
    font-size: 2rem;
    font-weight: 300;
    transition: all var(--transition-fast);
    position: relative;
    z-index: 1;
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.close-modal:hover {
    opacity: 1;
    transform: rotate(90deg);
    background: rgba(255, 255, 255, 0.2);
}

.modal-content .auth-form {
    padding: 2.5rem;
    background: #ffffff;
}

.modal-content .form-group select {
    padding: 1rem 1.25rem;
    font-size: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    background: linear-gradient(to bottom, #ffffff 0%, #f8fafc 100%);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-content .form-group select:focus {
    background-color: var(--white);
    border-color: #3b82f6;
    box-shadow: 
        0 0 0 4px rgba(59, 130, 246, 0.1),
        0 4px 12px rgba(59, 130, 246, 0.15);
    transform: translateY(-2px);
}

/* ========================================
   AÇÕES DO FORMULÁRIO (Modal)
   ======================================== */

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2.5rem;
}

.form-actions .btn {
    flex: 1;
    padding: 1rem;
    border-radius: 16px;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-actions .btn-secondary {
    background: linear-gradient(to bottom, #ffffff 0%, #f1f5f9 100%);
    color: var(--gray-700);
    border: 2px solid #e2e8f0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.form-actions .btn-secondary:hover {
    background: linear-gradient(to bottom, #f8fafc 0%, #e2e8f0 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}

.form-actions .btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    color: white;
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
    border: none;
}

.form-actions .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(59, 130, 246, 0.4);
}

/* ========================================
   CAMPO DE SENHA MESTRA
   ======================================== */

#managementPasswordGroup {
    background: linear-gradient(135deg, 
        rgba(239, 68, 68, 0.05) 0%, 
        rgba(220, 38, 38, 0.08) 100%
    );
    border: 2px solid rgba(239, 68, 68, 0.3);
    border-radius: 16px;
    padding: 1.5rem;
    margin-top: 1.5rem;
    position: relative;
    overflow: hidden;
}

/* Ícone de alerta animado */
#managementPasswordGroup::before {
    content: '⚠️';
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    animation: warningPulse 2s ease-in-out infinite;
}

@keyframes warningPulse {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.1); opacity: 1; }
}

#managementPasswordGroup label {
    color: #dc2626;
    font-weight: 800;
}

#managementPasswordGroup label::before {
    content: '🔒';
    font-size: 1rem;
}

#managementPasswordGroup input {
    border-color: rgba(239, 68, 68, 0.4);
    background: rgba(255, 255, 255, 0.9);
}

#managementPasswordGroup input:focus {
    border-color: #dc2626;
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15);
}

#managementPasswordGroup small {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
    font-weight: 600;
}

/* ========================================
   RESPONSIVIDADE
   ======================================== */

@media (max-width: 640px) {
    .login-page {
        padding: 1rem;
    }

    .login-card {
        padding: 2.5rem 2rem;
        border-radius: 24px;
    }
    
    .brand-name {
        font-size: 1.875rem;
    }
    
    .logo {
        width: 80px;
        height: 80px;
    }

    .logo-container::before {
        width: 120px;
        height: 120px;
    }

    .auth-form input,
    .auth-form .btn {
        padding: 0.875rem 1rem;
        font-size: 0.9375rem;
    }

    .modal-content {
        width: 95%;
        margin: 0 0.5rem;
    }

    .modal-content .auth-form {
        padding: 2rem 1.5rem;
    }

    .modal-header {
        padding: 1.5rem 1.75rem;
    }

    .form-actions {
        flex-direction: column;
    }
}

/* ========================================
   ESTADOS HIDDEN
   ======================================== */

.hidden {
    display: none !important;
}

/* ========================================
   LOADING STATE
   ======================================== */

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn:disabled::before {
    animation: none;
}

/* ========================================
   PÁGINA DE CADASTRO (register.html)
   ======================================== */

.page-intro {
    text-align: center;
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--gray-100);
    position: relative;
}

.page-intro::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    border-radius: 2px;
}

.form-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.form-description {
    font-size: 1rem;
    color: var(--gray-600);
    margin: 0;
}

/* Input hints */
.input-hint {
    display: block;
    margin-top: 0.625rem;
    font-size: 0.8125rem;
    color: var(--gray-500);
    line-height: 1.6;
    padding-left: 0.5rem;
    border-left: 2px solid var(--gray-300);
}

.input-hint strong {
    color: var(--gray-700);
    font-weight: 700;
}