/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Login Container */
.login-container {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Animated Background Shapes */
.login-background {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    overflow: hidden;
    z-index: 0;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 500px;
    height: 500px;
    top: -250px;
    right: -250px;
    animation-delay: 0s;
}

.shape-2 {
    width: 400px;
    height: 400px;
    bottom: -200px;
    left: -200px;
    animation-delay: 2s;
}

.shape-3 {
    width: 300px;
    height: 300px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(30px, -30px) rotate(120deg);
    }
    66% {
        transform: translate(-20px, 20px) rotate(240deg);
    }
}

/* Login Form Section */
.login-form-section {
    background: white;
    padding: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.login-box {
    width: 100%;
    max-width: 450px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.login-box.animate-in {
    opacity: 1;
    transform: translateY(0);
}

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

.logo-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
    animation: pulse 2s infinite;
}

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

.brand-title {
    font-size: 2rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 0.5rem;
}

.brand-subtitle {
    font-size: 0.95rem;
    color: #718096;
    margin: 0;
}

/* Welcome Text */
.welcome-text {
    text-align: center;
    margin-bottom: 2rem;
}

.welcome-text h2 {
    font-size: 1.75rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 0.5rem;
}

.welcome-text p {
    font-size: 1rem;
    color: #718096;
}

/* Form Styles */
.login-form {
    margin-bottom: 2rem;
}

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

.form-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 0.5rem;
    display: block;
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #a0aec0;
    font-size: 1.1rem;
    z-index: 2;
}

.form-control {
    width: 100%;
    padding: 0.875rem 3rem;
    font-size: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    transition: all 0.3s ease;
    background: #f7fafc;
}

.form-control:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.toggle-password {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #a0aec0;
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0.5rem;
    z-index: 2;
    transition: color 0.3s ease;
}

.toggle-password:hover {
    color: #667eea;
}

/* Form Options */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.form-check-input {
    width: 1.2rem;
    height: 1.2rem;
    border: 2px solid #cbd5e0;
    border-radius: 4px;
    cursor: pointer;
}

.form-check-input:checked {
    background-color: #667eea;
    border-color: #667eea;
}

.form-check-label {
    font-size: 0.95rem;
    color: #4a5568;
    margin-right: 0.5rem;
    cursor: pointer;
}

.forgot-password {
    font-size: 0.95rem;
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.forgot-password:hover {
    color: #764ba2;
}

/* Login Button */
.btn-login {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

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

/* Login Footer */
.login-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #e2e8f0;
}

.login-footer p {
    font-size: 0.875rem;
    color: #a0aec0;
}

/* Branding Section */
.branding-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.branding-content {
    text-align: center;
    color: white;
    padding: 3rem;
    position: relative;
    z-index: 2;
}

.branding-icon {
    font-size: 6rem;
    margin-bottom: 2rem;
    animation: float 3s ease-in-out infinite;
}

.branding-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.features-list {
    max-width: 400px;
    margin: 0 auto;
}

.feature-item {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 1rem;
    margin-bottom: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    text-align: right;
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(-10px);
}

.feature-item i {
    font-size: 1.5rem;
    margin-left: 1rem;
    color: #ffd700;
}

.feature-item span {
    font-size: 1.1rem;
    font-weight: 500;
}

.branding-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 1;
}

/* Alert Styles */
.alert {
    border-radius: 12px;
    border: none;
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
}

.alert-danger {
    background-color: #fed7d7;
    color: #c53030;
}

/* Responsive Design */
@media (max-width: 991px) {
    .login-form-section {
        min-height: 100vh;
    }
    
    .login-box {
        padding: 1rem;
    }
    
    .brand-title {
        font-size: 1.5rem;
    }
    
    .welcome-text h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 576px) {
    .login-form-section {
        padding: 2rem 1rem;
    }
    
    .logo-icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }
    
    .brand-title {
        font-size: 1.25rem;
    }
    
    .brand-subtitle {
        font-size: 0.85rem;
    }
    
    .welcome-text h2 {
        font-size: 1.25rem;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

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

.loading {
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid white;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
    display: inline-block;
    margin-right: 10px;
}