body, html {
    min-height: 100%;
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: #e2e8f0;
    overflow: hidden;
}

.login-bg {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

.login-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="0.5" fill="white" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0px, 0px) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

.login-form-professional {
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3), 0 1px 0 rgba(255,255,255,0.1) inset;
    padding: 3rem 2.5rem;
    max-width: 420px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s ease;
}

.login-form-professional:hover {
    transform: translateY(-2px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.4), 0 1px 0 rgba(255,255,255,0.1) inset;
}

.logo-professional {
    width: 140px;
    margin-bottom: 2rem;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
    transition: all 0.3s ease;
}

.logo-professional:hover {
    transform: scale(1.02);
}

.input-group-professional {
    width: 100%;
    margin-bottom: 1.5rem;
    position: relative;
}

.input-label-professional {
    display: block;
    margin-bottom: 0.5em;
    font-weight: 600;
    color: #cbd5e0;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

input[type="text"], input[type="password"], input[type="email"] {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid transparent;
    border-radius: 12px;
    font-size: 1rem;
    background: rgba(45, 55, 72, 0.8);
    color: #e2e8f0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-sizing: border-box;
    font-weight: 500;
}

input[type="text"]::placeholder, input[type="password"]::placeholder, input[type="email"]::placeholder {
    color: #718096;
}

input[type="text"]:focus, input[type="password"]:focus, input[type="email"]:focus {
    border-color: #667eea;
    outline: none;
    background: rgba(45, 55, 72, 0.95);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
    transform: translateY(-1px);
}

input[type="text"]:hover, input[type="password"]:hover, input[type="email"]:hover {
    background: rgba(45, 55, 72, 0.9);
    transform: translateY(-1px);
}

.login-btn-professional {
    width: 100%;
    padding: 1.25rem 2rem;
    background: linear-gradient(135deg, #4682b4 0%, #5f9ea0 100%);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    margin-top: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 0.95rem;
    box-shadow: 0 8px 20px rgba(70, 130, 180, 0.4);
}

.login-btn-professional::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;
}

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

.login-btn-professional:hover, .login-btn-professional:focus {
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(70, 130, 180, 0.5);
    background: linear-gradient(135deg, #36648b 0%, #4f8a8c 100%);
}

.login-btn-professional:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(70, 130, 180, 0.4);
}

.register-btn-professional {
    display: block;
    width: 100%;
    margin-top: 1.2em;
    padding: 0.7em;
    background: rgba(45, 55, 72, 0.6);
    color: #667eea;
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: 5px;
    font-size: 1em;
    text-align: center;
    text-decoration: none;
    font-weight: 500;
    transition: background 0.2s, color 0.2s;
}
.register-btn-professional:hover, .register-btn-professional:focus {
    background: #667eea;
    color: #fff;
}

.success-message {
    color: #065f46;
    background: linear-gradient(135deg, rgba(209, 250, 229, 0.9) 0%, rgba(167, 243, 208, 0.9) 100%);
    border: 1px solid #6ee7b7;
    border-radius: 12px;
    font-size: 0.95rem;
    text-align: center;
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.15);
    backdrop-filter: blur(10px);
}

.error-message {
    color: #fecaca;
    background: linear-gradient(135deg, rgba(254, 226, 226, 0.1) 0%, rgba(254, 202, 202, 0.1) 100%);
    border: 1px solid rgba(248, 113, 113, 0.3);
    border-radius: 12px;
    font-size: 0.95rem;
    text-align: center;
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.15);
    backdrop-filter: blur(10px);
}

/* Add some responsive design */
@media (max-width: 480px) {
    .login-form-professional {
        padding: 2rem 1.5rem;
        margin: 1rem;
        border-radius: 20px;
    }
    
    .logo-professional {
        width: 120px;
        margin-bottom: 1.5rem;
    }
    
    input[type="text"], input[type="password"], input[type="email"] {
        padding: 0.9rem 1rem;
        font-size: 0.95rem;
    }
    
    .login-btn-professional {
        padding: 1rem 1.5rem;
        font-size: 0.9rem;
    }
}

/* Add a subtle animation for the form appearance */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-form-professional {
    animation: slideIn 0.6s ease-out;
}