/* Login Page Styles */
:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --dark-bg: #0f172a;
    --dark-bg-2: #1e293b;
    --text-light: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
}

/* Base Styles */
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-light);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Animated Background */
.login-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-bg-2) 100%);
    z-index: -1;
}

.login-bg::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
    transform-origin: center;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Navbar */
.navbar {
    background-color: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: 1px;
}

/* Login Card */
.login-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    animation: fadeIn 0.5s ease-out;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.login-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.login-card .card-header {
    background: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 2rem;
    text-align: center;
}

.login-card .card-header h3 {
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.login-card .card-header p {
    color: var(--text-muted);
    margin-bottom: 0;
}

.login-card .card-body {
    padding: 2rem;
}

/* Form Elements */
.form-label {
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.input-group {
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.input-group:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.input-group-text {
    background: transparent;
    border: none;
    color: var(--text-muted);
}

.form-control {
    background: transparent;
    border: none;
    color: var(--text-light);
    padding: 0.75rem;
}

.form-control:focus {
    background: transparent;
    color: var(--text-light);
    box-shadow: none;
}

.form-control::placeholder {
    color: var(--text-muted);
}

/* Password Toggle Button */
#togglePassword {
    background: transparent;
    border: none;
    color: var(--text-muted);
    transition: all 0.3s ease;
}

#togglePassword:hover {
    color: var(--primary-color);
}

/* Remember Me Checkbox */
.form-check-input {
    background-color: transparent;
    border-color: var(--border-color);
}

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

.form-check-label {
    color: var(--text-muted);
}

/* Submit Button */
.btn-primary {
    background: var(--primary-color);
    border: none;
    padding: 0.75rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

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

/* Alert Messages */
.alert {
    border: none;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    animation: slideIn 0.3s ease-out;
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: #fca5a5;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: #6ee7b7;
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: #fcd34d;
}

/* Registration Link */
.registration-text {
    color: var(--text-muted);
    margin-top: 1.5rem;
}

.registration-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Loading Spinner */
.spinner-border {
    width: 1rem;
    height: 1rem;
    border-width: 0.2em;
    color: var(--text-light);
}

/* Responsive Design */
@media (max-width: 768px) {
    .login-card {
        margin: 1rem;
    }
    
    .login-card .card-header {
        padding: 1.5rem;
    }
    
    .login-card .card-body {
        padding: 1.5rem;
    }
}

.text-accent {
    color: var(--primary-light);
    font-weight: 500;
    letter-spacing: 0.3px;
}