/* Variáveis CSS para cores profissionais */
        :root {
            --primary-color: #2563eb; /* Azul médico profissional */
            --primary-hover: #1d4ed8;
            --secondary-color: #0ea5e9; /* Azul claro */
            --accent-color: #10b981; /* Verde médico */
            --danger-color: #ef4444; /* Vermelho para erros */
            --text-primary: #1f2937;
            --text-secondary: #6b7280;
            --text-light: #9ca3af;
            --bg-primary: #ffffff;
            --bg-secondary: #f8fafc;
            --border-color: #e5e7eb;
            --border-focus: #3b82f6;
            --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);
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            /* Nova imagem de fundo e ajustes */
            background: 
              
    linear-gradient(135deg, rgba(37, 99, 235, 0.9) 0%, rgba(59, 130, 246, 0.8) 100%),
    url('https://images.pexels.com/photos/1267320/pexels-photo-1267320.jpeg?auto=compress&cs=tinysrgb&w=1920&h=1080&fit=crop')
    center/cover no-repeat;
display: flex;

            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-primary);
            line-height: 1.6;
        }

        .login-wrapper {
            width: 100%;
            max-width: 480px;
            padding: 2rem;
            position: relative;
        }

        .login-container {
            background: var(--bg-primary);
            border-radius: 20px;
            box-shadow: var(--shadow-xl);
            overflow: hidden;
            position: relative;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .login-header {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            padding: 3rem 2.5rem 2rem;
            text-align: center;
            color: white;
            position: relative;
            overflow: hidden;
        }

        .login-header::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
            animation: pulse 4s ease-in-out infinite;
        }

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

        .clinic-icon { /* Renomeado para 'system-icon' no HTML para refletir o novo contexto */
            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 1.5rem;
            backdrop-filter: blur(10px);
            border: 2px solid rgba(255, 255, 255, 0.3);
        }

        .clinic-icon i { /* Renomeado para 'system-icon' no HTML */
            font-size: 2.5rem;
            color: white;
        }

        .login-header h2 {
            margin: 0;
            font-size: 2rem;
            font-weight: 600;
            letter-spacing: -0.025em;
            position: relative;
            z-index: 1;
        }

        .login-header p {
            margin: 0.5rem 0 0;
            opacity: 0.9;
            font-size: 1rem;
            font-weight: 400;
            position: relative;
            z-index: 1;
        }

        .login-form {
            padding: 2.5rem;
        }

        .input-group {
            margin-bottom: 1.5rem;
            position: relative;
        }

        .input-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
            color: var(--text-primary);
            font-size: 0.875rem;
            letter-spacing: 0.025em;
        }

        .input-wrapper {
            position: relative;
        }

        .input-wrapper i {
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 1.125rem;
            transition: color 0.3s ease;
        }

        .input-group input[type="text"],
        .input-group input[type="password"] {
            width: 100%;
            padding: 1rem 1rem 1rem 3rem;
            border: 2px solid var(--border-color);
            border-radius: 12px;
            font-size: 1rem;
            font-weight: 400;
            background: var(--bg-secondary);
            transition: all 0.3s ease;
            color: var(--text-primary);
        }

        .input-group input[type="text"]:focus,
        .input-group input[type="password"]:focus {
            outline: none;
            border-color: var(--border-focus);
            background: var(--bg-primary);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
        }

        .input-group input[type="text"]:focus + i,
        .input-group input[type="password"]:focus + i {
            color: var(--border-focus);
        }

        .input-group input[type="text"]:focus ~ i,
        .input-group input[type="password"]:focus ~ i {
            color: var(--border-focus);
        }

        .input-wrapper:focus-within i {
            color: var(--border-focus);
        }

        .options {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            font-size: 0.875rem;
        }

        .checkbox-wrapper {
            display: flex;
            align-items: center;
            cursor: pointer;
            color: var(--text-secondary);
            transition: color 0.3s ease;
        }

        .checkbox-wrapper:hover {
            color: var(--text-primary);
        }

        .checkbox-wrapper input[type="checkbox"] {
            margin-right: 0.5rem;
            width: 1.125rem;
            height: 1.125rem;
            cursor: pointer;
            accent-color: var(--primary-color);
        }

        .forgot-password {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            padding: 0.25rem 0;
        }

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

        .login-button {
            width: 100%;
            padding: 1rem 2rem;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }

        .login-button::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;
        }

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

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

        .login-button:active {
            transform: translateY(0);
            box-shadow: var(--shadow-md);
        }

        .signup-link {
            margin-top: 2rem;
            text-align: center;
            font-size: 0.9rem;
            color: var(--text-secondary);
            padding-top: 2rem;
            border-top: 1px solid var(--border-color);
        }

        .signup-link a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
        }

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

        .error-message {
            background: linear-gradient(135deg, #fef2f2, #fee2e2);
            color: var(--danger-color);
            border: 1px solid #fecaca;
            padding: 1rem;
            margin-bottom: 1.5rem;
            border-radius: 12px;
            text-align: center;
            font-weight: 500;
            font-size: 0.875rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            animation: slideIn 0.3s ease-out;
        }

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

        .error-message i {
            font-size: 1.125rem;
        }

        /* Responsive Design */
        @media (max-width: 640px) {
            .login-wrapper {
                padding: 1rem;
            }
            
            .login-header {
                padding: 2rem 1.5rem 1.5rem;
            }
            
            .login-form {
                padding: 1.5rem;
            }
            
            .options {
                flex-direction: column;
                gap: 1rem;
                align-items: flex-start;
            }
        }

        /* Animações suaves */
        .login-container {
            animation: fadeInUp 0.6s ease-out;
        }

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

        /* Developer Credit Styles */
        .developer-credit {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background: rgba(255, 255, 255, 0.95);
            color: var(--text-secondary);
            padding: 0.75rem 1rem;
            border-radius: 25px;
            font-size: 0.8rem;
            font-weight: 500;
            box-shadow: var(--shadow-md);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all 0.3s ease;
            z-index: 1000;
        }

        .developer-credit:hover {
            background: rgba(255, 255, 255, 1);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .developer-credit i {
            color: var(--primary-color);
            margin-right: 0.5rem;
        }

        @media (max-width: 640px) {
            .developer-credit {
                bottom: 10px;
                right: 10px;
                font-size: 0.75rem;
                padding: 0.5rem 0.75rem;
            }
        }