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

:root {
    --color-green: #afbc20;
    --color-dark-gray: #545962;
    --color-light-gray: #f5f5f7;
    --color-medium-gray: #e0e0e2;
    --color-text-primary: #2c2c2e;
    --color-text-secondary: #6c6c70;
    --color-white: #ffffff;
    --color-error: #e63946;
    --color-success: #06d6a0;
    --color-warning: #ffd166;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    background: linear-gradient(135deg, var(--color-light-gray) 0%, var(--color-medium-gray) 100%);
    color: var(--color-text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-box {
    background: var(--color-white);
    padding: 48px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 440px;
    animation: fadeInUp 0.5s ease-out;
}

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

.logo-container {
    text-align: center;
    margin-bottom: 32px;
}

.logo {
    max-width: 280px;
    height: auto;
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.02);
}

h1 {
    font-size: 28px;
    font-weight: 600;
    color: var(--color-text-primary);
    text-align: center;
    margin-bottom: 32px;
    line-height: 1.2;
}

h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 20px;
    line-height: 1.2;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.input-group input {
    width: 100%;
    padding: 14px 16px;
    font-size: 16px;
    border: 2px solid var(--color-medium-gray);
    border-radius: var(--radius-sm);
    background: var(--color-white);
    color: var(--color-text-primary);
    transition: var(--transition);
    outline: none;
}

.input-group input:focus {
    border-color: var(--color-green);
    box-shadow: 0 0 0 4px rgba(175, 188, 32, 0.1);
}

.input-group input::placeholder {
    color: var(--color-text-secondary);
    opacity: 0.6;
}

.btn {
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: var(--color-green);
    color: var(--color-dark-gray);
    width: 100%;
    margin-top: 8px;
}

.btn-primary:hover {
    background: #9ca81c;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: var(--color-dark-gray);
    color: var(--color-white);
}

.btn-secondary:hover {
    background: #3e4248;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-edit {
    background: var(--color-warning);
    color: var(--color-dark-gray);
    padding: 10px 20px;
    font-size: 14px;
}

.btn-edit:hover {
    background: #f5c255;
}

.btn-delete {
    background: var(--color-error);
    color: var(--color-white);
    padding: 10px 20px;
    font-size: 14px;
}

.btn-delete:hover {
    background: #d62839;
}

.error-message {
    margin-top: 16px;
    padding: 12px 16px;
    background: rgba(230, 57, 70, 0.1);
    border-left: 4px solid var(--color-error);
    border-radius: var(--radius-sm);
    color: var(--color-error);
    font-size: 14px;
    animation: shake 0.4s ease-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.footer-link {
    text-align: center;
    margin-top: 24px;
}

.footer-link a {
    color: var(--color-dark-gray);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
    border-bottom: 2px solid transparent;
}

.footer-link a:hover {
    color: var(--color-green);
    border-bottom-color: var(--color-green);
}

.dashboard-container {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--color-light-gray) 0%, var(--color-medium-gray) 100%);
}

.dashboard-header {
    background: var(--color-white);
    padding: 20px 40px;
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo-container-small {
    display: flex;
    align-items: center;
}

.logo-small {
    max-width: 160px;
    height: auto;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.username {
    font-size: 14px;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.dashboard-main {
    padding: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.dashboard-card {
    background: var(--color-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    animation: fadeInUp 0.5s ease-out;
}

.add-password-section {
    border-bottom: 2px solid var(--color-light-gray);
    padding-bottom: 32px;
    margin-bottom: 32px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 20px;
    margin-bottom: 20px;
}

.passwords-list-section h2 {
    margin-bottom: 24px;
}

.passwords-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-secondary);
}

.empty-state p {
    font-size: 16px;
}

.password-item {
    background: var(--color-light-gray);
    padding: 24px;
    border-radius: var(--radius-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
    border: 2px solid transparent;
}

.password-item:hover {
    border-color: var(--color-green);
    box-shadow: var(--shadow-sm);
}

.password-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.password-value,
.password-url {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.password-value strong,
.password-url strong {
    color: var(--color-text-primary);
    margin-right: 8px;
}

.mono {
    font-family: 'Monaco', 'Courier New', monospace;
    background: var(--color-white);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 13px;
    color: var(--color-green);
    font-weight: 600;
}

.url-link {
    color: var(--color-green);
    text-decoration: none;
    transition: var(--transition);
}

.url-link:hover {
    text-decoration: underline;
}

.password-actions {
    display: flex;
    gap: 12px;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease-out;
}

.modal.active {
    display: flex;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--color-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 500px;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: scale(0.9) translateY(-20px);
        opacity: 0;
    }
    to {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

.modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.modal-actions .btn {
    flex: 1;
}

.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 24px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    font-size: 14px;
    font-weight: 500;
    z-index: 2000;
    display: none;
    animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.notification.success {
    background: var(--color-success);
    color: var(--color-white);
}

.notification.error {
    background: var(--color-error);
    color: var(--color-white);
}

.notification.show {
    display: block;
}

@media (max-width: 768px) {
    .login-box {
        padding: 32px 24px;
    }

    .dashboard-header {
        padding: 16px 20px;
        flex-direction: column;
        gap: 16px;
    }

    .dashboard-main {
        padding: 20px;
    }

    .dashboard-card {
        padding: 24px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .password-item {
        flex-direction: column;
        align-items: stretch;
    }

    .password-actions {
        width: 100%;
    }

    .password-actions .btn {
        flex: 1;
    }

    h1 {
        font-size: 24px;
    }

    h2 {
        font-size: 18px;
    }
}