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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    background: rgba(255, 255, 255, 0.95);
    -webkit-backdrop-filter: blur(10px); /* Safari 9+ */
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    width: 100%;
    max-width: 400px;
    transition: transform 0.3s ease;
}

.container:hover {
    transform: translateY(-2px);
}

.form-container {
    padding: 40px;
}

.logo {
    text-align: center;
    margin-bottom: 25px;
}

.login-logo {
    width: 150px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 0px;
}

.login-title {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin: 0;
}

.form-title {
    text-align: center;
    color: #333;
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 30px;
    transition: all 0.3s ease;
}

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

.form-group label {
    display: block;
    color: #555;
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.form-group input {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e1e1e1;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #fafafa;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
}

.form-group.error input {
    border-color: #ff4757;
    background: #fff5f5;
}

.error-message {
    color: #c0392b; /* darker red for better contrast */
    font-size: 0.8rem;
    margin-top: 5px;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.error-message.show {
    opacity: 1;
    transform: translateY(0);
}

.forgot-password {
    text-align: right;
    margin-bottom: 30px;
}

.forgot-password a {
    color: #667eea;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.forgot-password a:hover {
    color: #764ba2;
    text-decoration: underline;
}

.btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

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

.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.divider {
    text-align: center;
    margin: 30px 0;
    position: relative;
    color: #999;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #e1e1e1;
}

.divider span {
    background: rgba(255, 255, 255, 0.95);
    padding: 0 20px;
    position: relative;
}

.signup-link {
    text-align: center;
    color: #666;
    font-size: 0.9rem;
}

.signup-link a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.signup-link a:hover {
    color: #764ba2;
}

/* Forgot Password Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.modal-content {
    background: white;
    border-radius: 20px;
    padding: 40px;
    max-width: 400px;
    width: 90%;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal.show .modal-content {
    transform: scale(1);
}

.modal-header {
    text-align: center;
    margin-bottom: 20px;
}

.modal-header h2 {
    color: #333;
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.modal-header p {
    color: #666;
    font-size: 0.9rem;
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 25px;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #999;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close-btn:hover {
    color: #333;
}

.success-message {
    background: #d4edda;
    color: #155724;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid #c3e6cb;
    display: none;
}

.success-message.show {
    display: block;
}

@media (max-width: 480px) {
    .form-container {
        padding: 30px 20px;
    }
    
    .logo h1 {
        font-size: 2rem;
    }
    
    .form-title {
        font-size: 1.5rem;
    }
}

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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

.link-button {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: 0;
    text-decoration: underline;
}

.password-wrapper {
    position: relative;
    width: 100%;
}

.password-wrapper input {
    width: 100%;
    padding-right: 40px; /* space for eye icon */
}

.toggle-password {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    font-size: 18px;
    color: #555;
}