:root {
    --primary-color: #4361ee;
    --primary-dark: #3a56d4;
    --secondary-color: #3f37c9;
    --accent-color: #4895ef;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --success-color: #4cc9f0;
    --danger-color: #f72585;
    --warning-color: #f8961e;
    --gray-color: #6c757d;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: #f5f7fa;
    color: var(--dark-color);
    line-height: 1.6;
}

/* Landing Page Styles */
.landing-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    margin-right: 10px;
    font-size: 1.8rem;
}

nav a {
    text-decoration: none;
    color: var(--dark-color);
    margin-left: 20px;
    font-weight: 500;
    transition: var(--transition);
}

nav a:hover {
    color: var(--primary-color);
}

.btn-login {
    background-color: var(--primary-color);
    color: white;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 80px 0;
}

.hero-content {
    flex: 1;
    padding-right: 40px;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--gray-color);
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    animation: float 6s ease-in-out infinite;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

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

.features {
    padding: 80px 0;
}

.features h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--gray-color);
}

/* Login Page Styles */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #4361ee, #3f37c9);
    padding: 20px;
}

.login-card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    padding: 40px;
    width: 100%;
    max-width: 450px;
    animation: fadeInUp 0.6s ease-out;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.login-header h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.login-header p {
    color: var(--gray-color);
}

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

.form-group input {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

.form-group label {
    position: absolute;
    left: 15px;
    top: 15px;
    color: var(--gray-color);
    transition: var(--transition);
    pointer-events: none;
}

.form-group input:focus + label,
.form-group input:valid + label {
    top: -10px;
    left: 10px;
    font-size: 0.8rem;
    background-color: white;
    padding: 0 5px;
    color: var(--primary-color);
}

.alert {
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    font-weight: 500;
}

.alert.error {
    background-color: #fde8e8;
    color: var(--danger-color);
    border-left: 4px solid var(--danger-color);
}

/* Dashboard Styles */
.dashboard-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background-color: white;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    padding: 20px 0;
    position: fixed;
    height: 100%;
}

.sidebar-header {
    display: flex;
    align-items: center;
    padding: 0 20px 20px;
    border-bottom: 1px solid #eee;
    margin-bottom: 20px;
}

.sidebar-header i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 10px;
}

.sidebar-header span {
    font-size: 1.2rem;
    font-weight: 600;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
}

.sidebar-nav a {
    padding: 12px 20px;
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
}

.sidebar-nav a i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.sidebar-nav a:hover {
    background-color: #f5f7fa;
    color: var(--primary-color);
}

.sidebar-nav a.active {
    background-color: rgba(67, 97, 238, 0.1);
    color: var(--primary-color);
    border-left: 3px solid var(--primary-color);
}

.main-content {
    flex: 1;
    margin-left: 250px;
    padding: 30px;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.content-header h1 {
    font-size: 1.8rem;
    font-weight: 600;
}

.search-bar {
    position: relative;
    width: 300px;
}

.search-bar input {
    width: 100%;
    padding: 10px 15px 10px 40px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
}

.search-bar i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-color);
}

.password-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.password-card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 20px;
    transition: var(--transition);
    display: flex;
    align-items: center;
}

.password-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.password-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(67, 97, 238, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.password-details {
    flex: 1;
}

.password-details h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.password-details p {
    font-size: 0.9rem;
    color: var(--gray-color);
    margin-bottom: 10px;
}

.password-hidden {
    display: flex;
    align-items: center;
}

.password-hidden span {
    letter-spacing: 3px;
    margin-right: 10px;
}

.btn-reveal {
    background: none;
    border: none;
    color: var(--gray-color);
    cursor: pointer;
    transition: var(--transition);
}

.btn-reveal:hover {
    color: var(--primary-color);
}

.password-actions {
    display: flex;
    flex-direction: column;
}

.btn-edit, .btn-delete {
    background: none;
    border: none;
    padding: 5px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition);
}

.btn-edit {
    color: var(--gray-color);
    margin-bottom: 10px;
}

.btn-edit:hover {
    color: var(--success-color);
}

.btn-delete {
    color: var(--gray-color);
}

.btn-delete:hover {
    color: var(--danger-color);
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
}

.empty-state i {
    font-size: 3rem;
    color: var(--gray-color);
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.empty-state p {
    color: var(--gray-color);
    margin-bottom: 20px;
}

/* Add Password Form */
.form-container {
    max-width: 600px;
    margin: 0 auto;
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

.password-input {
    display: flex;
}

.password-input input {
    flex: 1;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.btn-generate {
    background-color: #f0f2f5;
    border: 1px solid #ddd;
    border-left: none;
    border-top-right-radius: var(--border-radius);
    border-bottom-right-radius: var(--border-radius);
    padding: 0 15px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.btn-generate:hover {
    background-color: #e2e6ea;
}

.btn-generate i {
    margin-right: 5px;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 30px;
}

.btn-secondary {
    background-color: white;
    color: var(--gray-color);
    padding: 12px 24px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    transition: var(--transition);
    border: 1px solid #ddd;
    cursor: pointer;
    margin-right: 15px;
}

.btn-secondary:hover {
    background-color: #f8f9fa;
}

.btn-back {
    display: inline-flex;
    align-items: center;
    color: var(--gray-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.btn-back i {
    margin-right: 5px;
}

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

/* Animations */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

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

/* Responsive Styles */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 60px 0;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: 40px;
    }
}

@media (max-width: 768px) {
    .dashboard-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        position: relative;
        height: auto;
        margin-bottom: 20px;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .content-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .search-bar {
        width: 100%;
        margin-top: 15px;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .login-card {
        padding: 30px 20px;
    }
}