/* Login Page Styles - Enhanced with Limitless Integration */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #dddfe4 0%, #fdfbff 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

/* Animated background particles */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.login-container {
    background: rgba(255, 255, 255, 0.95);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    padding: 50px 40px;
    border-radius: 20px;
    box-shadow: 
        0 25px 45px rgba(0, 0, 0, 0.1),
        0 0 0 1px rgba(255, 255, 255, 0.2);
    width: 100%;
    max-width: 420px;
    position: relative;
    transform: translateY(0);
    transition: transform 0.3s ease;
    z-index: 1;
}

.login-container:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 35px 65px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(255, 255, 255, 0.3);
}

.system-title {
    text-align: center;
    color: #666;
    margin-bottom: 15px;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.system-title i {
    color: #7B1E22;
}

.login-container h2 {
    text-align: center;
    color: #333;
    margin-bottom: 35px;
    font-size: 32px;
    font-weight: 700;
    position: relative;
}

.login-container h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #7B1E22 0%, #A52A2A 100%);
    border-radius: 2px;
}

.form-group {
    margin-bottom: 25px;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group label i {
    color: #7B1E22;
}

.form-group input.form-control {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e1e1e1;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
    position: relative;
}

.form-group input.form-control:focus {
    outline: none;
    border-color: #7B1E22;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 0 0 3px rgba(123, 30, 34, 0.1);
    transform: translateY(-2px);
}

.form-group input.form-control:valid {
    border-color: #28a745;
}

.form-group input.form-control.is-invalid {
    border-color: #dc3545;
}

.invalid-feedback {
    display: block;
    color: #dc3545;
    font-size: 12px;
    margin-top: 5px;
}

/* Password wrapper for toggle button */
.password-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    padding: 5px;
    transition: color 0.3s ease;
}

.password-toggle:hover {
    color: #7B1E22;
}

/* Remember me checkbox */
.form-check {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.form-check-input {
    margin-right: 8px;
    transform: scale(1.1);
}

.form-check-label {
    font-size: 14px;
    color: #666;
    text-transform: none;
    letter-spacing: normal;
    font-weight: 500;
}

.login-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #7B1E22 0%, #A52A2A 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

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

.login-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(123, 30, 34, 0.3);
}

.login-btn:active {
    transform: translateY(-1px);
}

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

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

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Error messages */
.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid #f5c6cb;
    font-size: 14px;
    transition: opacity 0.3s ease;
}

/* Success messages */
.success-message {
    background: #d4edda;
    color: #155724;
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid #c3e6cb;
    font-size: 14px;
    transition: opacity 0.3s ease;
}

/* Forgot password link */
.forgot-password {
    text-align: center;
    margin-top: 20px;
}

.forgot-password a {
    color: #7B1E22;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.forgot-password a:hover {
    color: #A52A2A;
    text-decoration: underline;
}

/* Limitless icons integration */
.mr-1 { margin-right: 0.25rem; }
.mr-2 { margin-right: 0.5rem; }

/* Responsive design */
@media (max-width: 480px) {
    .login-container {
        padding: 30px 25px;
        margin: 10px;
    }
    
    .login-container h2 {
        font-size: 26px;
    }
    
    .form-group input.form-control {
        padding: 12px 15px;
        font-size: 14px;
    }
    
    .login-btn {
        padding: 12px;
        font-size: 14px;
    }
}

@media (max-width: 360px) {
    body {
        padding: 10px;
    }
    
    .login-container {
        padding: 25px 20px;
    }
}

/* Form Alert Styles */
.form-alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    animation: slideInFromTop 0.3s ease-out;
}

.form-alert.alert-error {
    background: linear-gradient(135deg, #ff6b6b, #ee5a52);
    color: white;
    border: 1px solid rgba(238, 90, 82, 0.3);
}

.form-alert.alert-success {
    background: linear-gradient(135deg, #51cf66, #40c057);
    color: white;
    border: 1px solid rgba(64, 192, 87, 0.3);
}

@keyframes slideInFromTop {
    0% {
        transform: translateY(-20px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Enhanced Input Validation States */
.form-group input.is-valid {
    border-color: #51cf66;
    background-image: linear-gradient(135deg, rgba(81, 207, 102, 0.1), rgba(64, 192, 87, 0.05));
}

.form-group input.is-invalid {
    border-color: #ff6b6b;
    background-image: linear-gradient(135deg, rgba(255, 107, 107, 0.1), rgba(238, 90, 82, 0.05));
    animation: shake 0.3s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Validation Error Messages */
.validation-error {
    color: #ff6b6b;
    font-size: 12px;
    margin-top: 5px;
    font-weight: 500;
    animation: fadeInUp 0.3s ease-out;
}

@keyframes fadeInUp {
    0% {
        transform: translateY(10px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Submit Button States */
.login-btn.btn-disabled {
    background: linear-gradient(135deg, #ccc, #999);
    cursor: not-allowed;
    opacity: 0.6;
}

.login-btn.btn-enabled {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    cursor: pointer;
    opacity: 1;
}

.login-btn:disabled {
    pointer-events: none;
}

/* Field Focus States */
.form-group.field-focused input {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.2);
}

.form-group.field-filled label {
    color: #667eea;
    transform: scale(0.9);
}

/* Real-time validation indicators */
.form-group input:not(:placeholder-shown):valid {
    background-image: linear-gradient(135deg, rgba(81, 207, 102, 0.05), transparent);
}

.form-group input:not(:placeholder-shown):invalid {
    background-image: linear-gradient(135deg, rgba(255, 107, 107, 0.05), transparent);
}