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

:root {
    /* Earthy Green Palette */
    --timberwolf: #dad7cd;
    --sage: #a3b18a;
    --fern-green: #588157;
    --hunter-green: #3a5a40;
    --brunswick-green: #344e41;

    /* Primary colors using green palette */
    --primary-color: #588157;
    --primary-dark: #344e41;
    --primary-light: #a3b18a;
    --secondary-color: #3a5a40;

    /* Status colors */
    --danger-color: #ef4444;
    --success-color: #10b981;
    --warning-color: #f59e0b;

    /* Neutral colors */
    --dark: #1f2937;
    --gray: #6b7280;
    --light-gray: #f3f4f6;
    --border: #e5e7eb;
    --white: #ffffff;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: linear-gradient(135deg, #dad7cd 0%, #a3b18a 30%, #588157 60%, #3a5a40 85%, #344e41 100%);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
    min-height: 100vh;
    padding: 10px;
    color: var(--dark);
}

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

.container {
    max-width: 1400px;
    margin: 0 auto;
}

.page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 20px);
}

.hidden {
    display: none !important;
}

/* Login/Register Card */
.card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 450px;
    animation: slideUp 0.5s ease;
}

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

.card h1 {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
    text-align: center;
    font-size: 32px;
    font-weight: 700;
}

.card h2 {
    color: var(--dark);
    margin-bottom: 30px;
    text-align: center;
    font-size: 24px;
    font-weight: 600;
}

/* Form Styles */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--dark);
    font-weight: 600;
    font-size: 14px;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-control {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border);
    border-radius: 12px;
    font-size: 15px;
    transition: all 0.3s ease;
    background: var(--white);
}

.form-group input:focus,
.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(88, 129, 87, 0.1);
}

.form-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 8px;
    cursor: pointer;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

/* Buttons */
.btn {
    width: 100%;
    padding: 14px 20px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 10px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 15px rgba(88, 129, 87, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(88, 129, 87, 0.5);
}

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

.btn-secondary:hover {
    background: #4b5563;
    transform: translateY(-2px);
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-2px);
}

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

.btn-success:hover {
    background: #059669;
    transform: translateY(-2px);
}

.btn-warning {
    background: var(--warning-color);
    color: white;
}

.btn-warning:hover {
    background: #d97706;
    transform: translateY(-2px);
}

/* Messages */
.error {
    color: var(--danger-color);
    margin-top: 15px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    padding: 12px;
    background: rgba(239, 68, 68, 0.1);
    border-radius: 8px;
}

.success {
    color: var(--success-color);
    margin-top: 15px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    padding: 12px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 8px;
}

/* Dashboard */
#dashboardPage {
    display: block;
}

.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 24px 32px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.header h1 {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 28px;
    font-weight: 700;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-info span {
    color: var(--dark);
    font-weight: 600;
    background: var(--light-gray);
    padding: 8px 16px;
    border-radius: 20px;
}

.user-info .btn {
    width: auto;
    margin: 0;
    padding: 10px 24px;
}

/* Tabs */
.tabs {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 12px;
    margin-bottom: 20px;
    display: flex;
    gap: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.tab {
    flex: 1;
    min-width: 120px;
    padding: 14px 20px;
    background: transparent;
    border: none;
    border-radius: 10px;
    color: var(--gray);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.tab:hover {
    background: var(--light-gray);
    color: var(--dark);
}

.tab.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 15px rgba(88, 129, 87, 0.3);
}

/* Tab Content */
.tab-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tab-content h2 {
    color: var(--dark);
    margin-bottom: 24px;
    font-size: 26px;
    font-weight: 700;
}

.tab-content h3 {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 30px 0 20px 0;
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.tab-content h3::before {
    content: '';
    width: 4px;
    height: 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

/* Configuration List */
.config-list {
    display: grid;
    gap: 16px;
}

.config-item {
    background: linear-gradient(135deg, rgba(88, 129, 87, 0.05), rgba(58, 90, 64, 0.05));
    border-radius: 16px;
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 2px solid var(--border);
    transition: all 0.3s ease;
}

.config-item:hover {
    border-color: var(--primary-light);
    box-shadow: 0 8px 24px rgba(88, 129, 87, 0.15);
    transform: translateY(-2px);
}

.config-info h4 {
    color: var(--dark);
    margin-bottom: 12px;
    font-size: 20px;
    font-weight: 700;
}

.config-info p {
    color: var(--gray);
    font-size: 14px;
    margin: 6px 0;
    line-height: 1.6;
}

.config-info p strong {
    color: var(--dark);
    font-weight: 600;
}

.config-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.config-actions .btn {
    width: auto;
    padding: 10px 20px;
    margin: 0;
    font-size: 14px;
    min-width: 80px;
}

/* Status Box */
.status-box {
    margin-top: 24px;
    padding: 20px;
    border-radius: 12px;
    display: none;
    font-weight: 500;
    white-space: pre-wrap;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.status-box.info {
    background: rgba(59, 130, 246, 0.1);
    border: 2px solid rgba(59, 130, 246, 0.3);
    color: #1e40af;
    display: block;
}

.status-box.success {
    background: rgba(16, 185, 129, 0.1);
    border: 2px solid rgba(16, 185, 129, 0.3);
    color: #065f46;
    display: block;
}

.status-box.error {
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid rgba(239, 68, 68, 0.3);
    color: #991b1b;
    display: block;
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

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

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray);
}

.empty-state svg {
    width: 120px;
    height: 120px;
    margin-bottom: 20px;
    opacity: 0.5;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        max-width: 100%;
    }

    .tab-content {
        padding: 24px;
    }
}

@media (max-width: 768px) {
    body {
        padding: 5px;
    }

    .card {
        padding: 30px 24px;
    }

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

    .header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
        padding: 20px;
    }

    .header h1 {
        font-size: 24px;
    }

    .user-info {
        flex-direction: column;
        width: 100%;
    }

    .user-info .btn {
        width: 100%;
    }

    .tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding: 8px;
    }

    .tab {
        font-size: 14px;
        padding: 12px 16px;
    }

    .tab-content {
        padding: 20px 16px;
    }

    .tab-content h2 {
        font-size: 22px;
    }

    .config-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .config-actions {
        width: 100%;
        justify-content: stretch;
    }

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

@media (max-width: 480px) {
    .card h1 {
        font-size: 26px;
    }

    .card h2 {
        font-size: 20px;
    }

    .config-actions {
        flex-direction: column;
    }

    .config-actions .btn {
        width: 100%;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* PWA Specific Styles */

/* Safe area insets for notched devices (iPhone X+, etc.) */
@supports (padding: max(0px)) {
    body {
        padding-left: max(10px, env(safe-area-inset-left));
        padding-right: max(10px, env(safe-area-inset-right));
        padding-top: max(10px, env(safe-area-inset-top));
        padding-bottom: max(10px, env(safe-area-inset-bottom));
    }
}

/* PWA Install Banner */
.install-banner {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 15px 25px;
    border-radius: 50px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 10000;
    animation: slideUpBanner 0.5s ease;
}

@keyframes slideUpBanner {
    from {
        opacity: 0;
        transform: translate(-50%, 100px);
    }
    to {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}

.install-banner button {
    background: white;
    color: var(--primary-color);
    border: none;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.install-banner button:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.install-banner .close-btn {
    background: transparent;
    color: white;
    font-size: 20px;
    padding: 5px 10px;
}

/* Standalone mode adjustments (when installed as PWA) */
@media all and (display-mode: standalone) {
    body {
        user-select: none;
        -webkit-user-select: none;
        -webkit-touch-callout: none;
    }

    /* Allow text selection in input fields */
    input, textarea {
        user-select: text;
        -webkit-user-select: text;
    }

    /* Hide install banner when already installed */
    .install-banner {
        display: none;
    }
}

/* Touch target optimization for mobile */
@media (hover: none) and (pointer: coarse) {
    .btn, button, a, .tab {
        min-height: 44px;
        min-width: 44px;
    }

    input, select, textarea {
        font-size: 16px; /* Prevents zoom on iOS */
    }
}

/* Landscape mode optimization for mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .page {
        min-height: auto;
        padding: 20px 0;
    }

    .card {
        max-height: 90vh;
        overflow-y: auto;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    body {
        background: var(--white);
    }

    .card {
        border: 2px solid var(--dark);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

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

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
    /* Uncomment to enable dark mode */
    /*
    :root {
        --dark: #f3f4f6;
        --white: #1f2937;
        --light-gray: #374151;
        --border: #4b5563;
    }

    body {
        background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    }

    .card {
        background: rgba(31, 41, 55, 0.95);
        color: #f3f4f6;
    }
    */
}