:root {
    --primary: #d4af37;
    --primary-dark: #b8941f;
    --dark: #0a0e14;
    --dark-soft: #1a1f2e;
    --gray: #8b92a6;
    --gray-light: #a0b3c5;
    --white: #ffffff;
    --shadow-lg: 0 24px 42px -12px rgba(0,0,0,0.15);
    --transition: all 0.3s ease;
    --border-radius: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-soft) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    position: relative;
    overflow: hidden;
}

/* Animated Background Pattern */
body::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(212,175,55,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
    animation: slidePattern 20s linear infinite;
}

@keyframes slidePattern {
    0% { transform: translateY(0); }
    100% { transform: translateY(40px); }
}

.login-container {
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
}

.login-card {
    background: var(--white);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(212, 175, 55, 0.2);
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Logo/Brand Section */
.brand {
    text-align: center;
    margin-bottom: 2rem;
}

.brand-icon {
    width: 70px;
    height: 70px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.brand-icon i {
    font-size: 2.5rem;
    color: var(--dark);
}

.brand h2 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

.brand p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* Form Elements */
.form-label {
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

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

.input-icon {
    position: relative;
}

.input-icon i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
    font-size: 1rem;
    z-index: 1;
}

.form-control {
    border: 2px solid #eef3f7;
    border-radius: 12px;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    font-size: 1rem;
    transition: var(--transition);
    width: 100%;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem rgba(212, 175, 55, 0.25);
    outline: none;
}

.form-control::placeholder {
    color: var(--gray-light);
    font-size: 0.9rem;
}

/* Remember Me Checkbox */
.form-check {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.form-check-input {
    width: 1.2rem;
    height: 1.2rem;
    margin-right: 0.5rem;
    border: 2px solid #eef3f7;
    cursor: pointer;
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.form-check-label {
    color: var(--gray);
    font-size: 0.95rem;
    cursor: pointer;
    user-select: none;
}

/* Login Button */
.btn-login {
    background-color: var(--primary);
    color: var(--dark);
    border: none;
    border-radius: 40px;
    padding: 0.9rem;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    box-shadow: 0 8px 16px -6px rgba(212, 175, 55, 0.3);
    width: 100%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-login:hover {
    background-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 15px 25px -8px rgba(212, 175, 55, 0.4);
}

.btn-login i {
    font-size: 1.1rem;
    transition: var(--transition);
}

.btn-login:hover i {
    transform: translateX(5px);
}

/* Back to Site Link */
.back-link {
    text-align: center;
    margin-top: 1.5rem;
}

.back-link a {
    color: var(--gray-light);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.back-link a:hover {
    color: var(--primary);
}

/* Alert Message */
.alert {
    border-radius: 12px;
    padding: 1rem;
    margin-top: 1rem;
    display: none;
}

.alert.show {
    display: block;
    animation: fadeIn 0.3s ease;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Loading Spinner */
.spinner {
    display: none;
    width: 1.2rem;
    height: 1.2rem;
    border: 2px solid var(--white);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.btn-login.loading .spinner {
    display: inline-block;
}

.btn-login.loading span {
    opacity: 0.7;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Password Toggle Icon */
.password-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--gray);
    z-index: 2;
}

/* Responsive */
@media (max-width: 480px) {
    .login-card {
        padding: 2rem 1.5rem;
    }

    .brand h2 {
        font-size: 1.5rem;
    }

    .brand-icon {
        width: 60px;
        height: 60px;
    }

    .brand-icon i {
        font-size: 2rem;
    }
}

/* Footer Credit */
.credit {
    position: absolute;
    bottom: 1rem;
    left: 0;
    right: 0;
    text-align: center;
    color: var(--gray-light);
    font-size: 0.85rem;
    z-index: 1;
}

.credit a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

.credit a:hover {
    color: var(--primary-light);
}
/* Brand Section - Professional Design */
.brand {
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
}

/* Logo Container */
.brand-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.2rem;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Professional Logo Image Styling */
.logo-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
    box-shadow: 0 8px 20px rgba(212, 175, 55, 0.2);
    transition: var(--transition);
    background: var(--white);
    padding: 4px; /* Creates a subtle border effect */
    border: 2px solid rgba(212, 175, 55, 0.3);
}

/* Optional: Add a subtle glow effect on hover */
.brand:hover .logo-image {
    transform: scale(1.02);
    border-color: var(--primary);
    box-shadow: 0 12px 28px rgba(212, 175, 55, 0.3);
}

/* Brand Title */
.brand-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.6rem;
    color: var(--dark);
    margin-bottom: 0.25rem;
    letter-spacing: -0.5px;
}

/* Brand Subtitle */
.brand-subtitle {
    color: var(--gray);
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 1px;
    text-transform: uppercase;
    position: relative;
    display: inline-block;
    padding: 0 15px;
}

/* Decorative lines for subtitle (optional) */
.brand-subtitle::before,
.brand-subtitle::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 20px;
    height: 1px;
    background: rgba(212, 175, 55, 0.3);
}

.brand-subtitle::before {
    left: -15px;
}

.brand-subtitle::after {
    right: -15px;
}