/* Login Page Modern Styles */

/* Animated Background */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0b0f14 0%, #1a1f2e 25%, #2d3748 50%, #1a1f2e 75%, #0b0f14 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    z-index: -1;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Body */
body {
    background-color: #0b0f14;
    color: #e6edf3;
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
}

/* Glass Effect */
.glass {
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(148, 163, 184, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* Responsive Navigation - Always use hamburger menu */
@media (min-width: 0px) {
    .navbar-nav.me-auto {
        display: none !important;
    }
    
    .navbar-nav:not(.me-auto) {
        display: none !important;
    }
    
    .navbar .container {
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
        width: 100% !important;
    }
    
    .navbar-brand {
        order: 1 !important;
        margin-right: auto !important;
        margin-left: 0 !important;
    }
    
    .navbar-toggler {
        display: block !important;
        border: 1px solid rgba(148, 163, 184, 0.3);
        border-radius: 8px;
        padding: 0.5rem 0.75rem;
        transition: all 0.3s ease;
        margin-left: auto !important;
        margin-right: 0 !important;
        order: 2 !important;
    }
    
    .navbar-toggler:hover {
        background-color: rgba(125, 211, 252, 0.1);
        border-color: rgba(125, 211, 252, 0.5);
    }
    
    .navbar-toggler:focus {
        box-shadow: 0 0 0 3px rgba(125, 211, 252, 0.1);
    }
    
    .navbar-toggler-icon {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }
}

/* Login Card */
.login-card {
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    padding: 2.5rem;
    max-width: 400px;
    margin: 0 auto;
    animation: fadeInUp 0.6s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Login Header */
.login-header {
    margin-bottom: 2rem;
}

.login-icon {
    font-size: 3rem;
    color: #7dd3fc;
    text-shadow: 0 0 20px rgba(125, 211, 252, 0.5);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.login-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: #94a3b8;
    font-size: 1rem;
    font-weight: 400;
    margin: 0;
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, #7dd3fc, #0ea5e9, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Form Styles */
.login-form {
    margin-bottom: 1.5rem;
}

.form-group-modern {
    margin-bottom: 1.5rem;
}

.form-label-modern {
    color: #f1f5f9;
    font-weight: 500;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    font-size: 0.95rem;
}

.form-control-modern {
    background: rgba(2, 6, 23, 0.6);
    border: 1px solid rgba(148, 163, 184, 0.3);
    border-radius: 12px;
    color: #e6edf3;
    padding: 12px 16px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    width: 100%;
}

.form-control-modern:focus {
    background: rgba(2, 6, 23, 0.8);
    border-color: #7dd3fc;
    box-shadow: 0 0 0 3px rgba(125, 211, 252, 0.1);
    color: #e6edf3;
    outline: none;
}

.form-control-modern::placeholder {
    color: #94a3b8;
}

/* Pulse Button */
.pulse-btn {
    background: linear-gradient(135deg, #7dd3fc, #0ea5e9);
    border: none;
    color: #0b0f14;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: 12px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    font-size: 1rem;
}

.pulse-btn:hover {
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    color: #0b0f14;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(125, 211, 252, 0.3);
}

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

.pulse-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;
}

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

/* Register Link */
.register-link {
    margin-bottom: 1rem;
}

.register-link p {
    color: #94a3b8;
    font-size: 0.95rem;
    margin: 0;
}

.register-link-text {
    color: #7dd3fc;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.register-link-text:hover {
    color: #0ea5e9;
    text-decoration: underline;
}

/* Back Home Link */
.back-home {
    margin-top: 1rem;
}

.back-link {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.back-link:hover {
    color: #7dd3fc;
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .login-card {
        padding: 2rem;
        margin: 1rem;
    }
    
    .login-title {
        font-size: 1.8rem;
    }
    
    .login-icon {
        font-size: 2.5rem;
    }
}

@media (max-width: 576px) {
    .login-card {
        padding: 1.5rem;
        margin: 0.5rem;
    }
    
    .login-title {
        font-size: 1.6rem;
    }
    
    .login-icon {
        font-size: 2rem;
    }
    
    .form-control-modern {
        padding: 10px 14px;
    }
    
    .pulse-btn {
        padding: 10px 20px;
    }
}

/* Loading Animation */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading .pulse-btn {
    background: #6b7280;
    cursor: not-allowed;
}

/* Error States */
.form-control-modern.error {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.error-message {
    color: #ef4444;
    font-size: 0.85rem;
    margin-top: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Success States */
.form-control-modern.success {
    border-color: #10b981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* Focus States */
.form-control-modern:focus {
    animation: focusGlow 0.3s ease;
}

@keyframes focusGlow {
    0% { box-shadow: 0 0 0 3px rgba(125, 211, 252, 0.1); }
    50% { box-shadow: 0 0 0 6px rgba(125, 211, 252, 0.2); }
    100% { box-shadow: 0 0 0 3px rgba(125, 211, 252, 0.1); }
}