/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0d6efd 0%, #6610f2 50%, #6f42c1 100%);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    color: #333;
}

/* Login Container */
.login-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* Header Section */
.login-header {
    text-align: center;
    margin-bottom: 30px;
    width: 100%;
}

.logo-section {
    background: rgba(255, 255, 255, 0.95);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.logo-icon {
    font-size: 3rem;
    color: #0d6efd;
    margin-bottom: 15px;
    display: block;
}

.main-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #0d6efd;
    margin: 0 0 10px 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.subtitle {
    font-size: 1.1rem;
    color: #6c757d;
    margin: 0;
    font-weight: 500;
}

/* Form Container */
.login-form-container {
    background: rgba(255, 255, 255, 0.98);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    width: 100%;
    max-width: 450px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.form-header {
    text-align: center;
    margin-bottom: 30px;
}

.form-header h2 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #0d6efd;
    margin: 0 0 8px 0;
}

.form-subtitle {
    color: #6c757d;
    margin: 0;
    font-size: 0.95rem;
}

/* Form Styles */
.login-form {
    width: 100%;
}

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

.form-group label {
    display: flex;
    align-items: center;
    font-weight: 600;
    color: #495057;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.icon-input {
    margin-right: 8px;
    color: #0d6efd;
    width: 16px;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #f8f9fa;
    box-sizing: border-box;
}

.form-group input:focus {
    outline: none;
    border-color: #0d6efd;
    background: white;
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
    transform: translateY(-1px);
}

.form-group input::placeholder {
    color: #adb5bd;
}

/* Button Styles */
.login-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #0d6efd 0%, #6610f2 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 10px;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(13, 110, 253, 0.3);
}

.login-btn:active {
    transform: translateY(0);
}

.login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Error Message */
.error-message {
    margin-top: 20px;
    padding: 12px 16px;
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    color: white;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: none;
}

.error-message:not(:empty) {
    display: block;
}

/* Footer */
.login-footer {
    margin-top: 30px;
    text-align: center;
    width: 100%;
}

.footer-content {
    background: rgba(255, 255, 255, 0.9);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.footer-content p {
    margin: 0;
    color: #6c757d;
    font-size: 0.9rem;
}

.footer-version {
    margin-top: 5px !important;
    font-size: 0.8rem !important;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .login-container {
        padding: 15px;
    }

    .logo-section {
        padding: 25px;
    }

    .main-title {
        font-size: 2rem;
    }

    .login-form-container {
        padding: 30px 25px;
        margin: 0 10px;
    }

    .form-header h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .logo-section {
        padding: 20px;
    }

    .main-title {
        font-size: 1.8rem;
    }

    .login-form-container {
        padding: 25px 20px;
    }

    .form-group input {
        padding: 12px 14px;
    }

    .login-btn {
        padding: 14px;
    }
}

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

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

/* Focus states for accessibility */
.login-btn:focus,
.form-group input:focus {
    outline: 2px solid #0d6efd;
    outline-offset: 2px;
}