/* Windows 11 Design System */
:root {
    /* Windows 11 Colors */
    --win11-bg: #f3f3f3;
    --win11-surface: #ffffff;
    --win11-surface-secondary: #f9f9f9;
    --win11-accent: #0067c0;
    --win11-accent-hover: #005a9e;
    --win11-accent-pressed: #004c87;
    --win11-text-primary: #1f1f1f;
    --win11-text-secondary: #5e5e5e;
    --win11-border: #e5e5e5;
    --win11-shadow: rgba(0, 0, 0, 0.08);
    --win11-shadow-hover: rgba(0, 0, 0, 0.12);
    --win11-window-shadow: rgba(0, 0, 0, 0.15);
    
    /* Radius */
    --radius-small: 4px;
    --radius-medium: 8px;
    --radius-large: 12px;
    --radius-window: 8px;
    
    /* Transitions */
    --transition-fast: 0.15s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-normal: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Dark theme support */
@media (prefers-color-scheme: dark) {
    :root {
        --win11-bg: #202020;
        --win11-surface: #2c2c2c;
        --win11-surface-secondary: #252525;
        --win11-accent: #60cdff;
        --win11-accent-hover: #4cb8eb;
        --win11-accent-pressed: #3aa3d7;
        --win11-text-primary: #ffffff;
        --win11-text-secondary: #b4b4b4;
        --win11-border: #3d3d3d;
        --win11-shadow: rgba(0, 0, 0, 0.3);
        --win11-shadow-hover: rgba(0, 0, 0, 0.4);
        --win11-window-shadow: rgba(0, 0, 0, 0.5);
    }
}

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

body {
    font-family: 'Segoe UI Variable Display', 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Arial', sans-serif;
    background-color: var(--win11-bg);
    color: var(--win11-text-primary);
    line-height: 1.6;
    min-height: 100vh;
    font-size: 14px;
    overflow-x: hidden;
}

html {
    height: 100%;
}

/* Windows 11 Card Styles */
.win11-card {
    background: var(--win11-surface);
    border-radius: var(--radius-window);
    padding: 24px;
    margin-bottom: 16px;
    border: 1px solid var(--win11-border);
    box-shadow: 
        0 0 0 1px rgba(0, 0, 0, 0.02),
        0 2px 4px rgba(0, 0, 0, 0.04),
        0 8px 16px var(--win11-window-shadow);
    transition: box-shadow var(--transition-normal), transform var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.win11-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.5) 50%, 
        transparent 100%);
    opacity: 0.5;
}

.win11-card:hover {
    box-shadow: 
        0 0 0 1px rgba(0, 0, 0, 0.03),
        0 4px 8px rgba(0, 0, 0, 0.06),
        0 16px 32px var(--win11-shadow-hover);
}

.win11-card-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--win11-text-primary);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.win11-card-subtitle {
    font-size: 16px;
    font-weight: 600;
    color: var(--win11-text-primary);
    margin-bottom: 12px;
}

/* Acrylic Background Effect */
.win11-acrylic {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
}

@media (prefers-color-scheme: dark) {
    .win11-acrylic {
        background: rgba(44, 44, 44, 0.7);
    }
}

/* Container */
.win11-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
    padding-top: 72px;
}

.win11-container-narrow {
    max-width: 900px;
    margin: 0 auto;
    padding: 32px 24px;
    padding-top: 80px;
}

/* Windows 11 Window Effect */
.win11-window {
    background: var(--win11-surface);
    border-radius: var(--radius-window);
    border: 1px solid var(--win11-border);
    box-shadow: 
        0 0 0 1px rgba(0, 0, 0, 0.02),
        0 8px 24px rgba(0, 0, 0, 0.12),
        0 32px 64px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    margin-bottom: 24px;
}

.win11-window-header {
    height: 40px;
    background: var(--win11-surface);
    border-bottom: 1px solid var(--win11-border);
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 8px;
}

.win11-window-icon {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--win11-accent);
}

.win11-window-title {
    font-size: 12px;
    font-weight: 500;
    color: var(--win11-text-primary);
    flex: 1;
}

.win11-window-controls {
    display: flex;
    gap: 1px;
    margin-left: auto;
}

.win11-window-control {
    width: 46px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--win11-text-primary);
    cursor: pointer;
    transition: background var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
}

.win11-window-control:hover {
    background: var(--win11-surface-secondary);
}

.win11-window-control.close:hover {
    background: #c42b1c;
    color: white;
}

.win11-window-body {
    padding: 24px;
}

/* Buttons */
.win11-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 20px;
    border: 1px solid var(--win11-border);
    border-radius: var(--radius-small);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
    text-decoration: none;
    outline: none;
    background: transparent;
}

.win11-btn:focus-visible {
    outline: 2px solid var(--win11-accent);
    outline-offset: 2px;
}

.win11-btn-primary {
    background: var(--win11-accent);
    color: white;
    border-color: var(--win11-accent);
}

.win11-btn-primary:hover {
    background: var(--win11-accent-hover);
    border-color: var(--win11-accent-hover);
}

.win11-btn-primary:active {
    background: var(--win11-accent-pressed);
    border-color: var(--win11-accent-pressed);
    transform: scale(0.98);
}

.win11-btn-secondary {
    background: var(--win11-surface);
    color: var(--win11-text-primary);
    border-color: var(--win11-border);
}

.win11-btn-secondary:hover {
    background: var(--win11-surface-secondary);
    border-color: var(--win11-border);
}

.win11-btn-secondary:active {
    background: var(--win11-border);
    transform: scale(0.98);
}

.win11-btn-success {
    background: #0f7b0f;
    color: white;
    border-color: #0f7b0f;
}

.win11-btn-success:hover {
    background: #0d6b0d;
    border-color: #0d6b0d;
}

.win11-btn-danger {
    background: #c42b1c;
    color: white;
    border-color: #c42b1c;
}

.win11-btn-danger:hover {
    background: #a52318;
    border-color: #a52318;
}

/* Input Fields */
.win11-input,
.win11-select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--win11-border);
    border-radius: var(--radius-small);
    background: var(--win11-surface);
    color: var(--win11-text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: all var(--transition-fast);
    outline: none;
}

.win11-input:hover,
.win11-select:hover {
    border-color: var(--win11-text-secondary);
}

.win11-input:focus,
.win11-select:focus {
    border-color: var(--win11-accent);
    box-shadow: 0 0 0 1px var(--win11-accent);
}

.win11-input::placeholder {
    color: var(--win11-text-secondary);
}

/* Form Groups */
.win11-form-group {
    margin-bottom: 16px;
}

.win11-label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--win11-text-primary);
}

/* Checkbox & Radio */
.win11-checkbox,
.win11-radio {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    cursor: pointer;
    padding: 6px 0;
}

.win11-checkbox input,
.win11-radio input {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--win11-accent);
}

.win11-checkbox label,
.win11-radio label {
    cursor: pointer;
    user-select: none;
}

/* Progress Bar */
.win11-progress {
    width: 100%;
    height: 6px;
    background: var(--win11-border);
    border-radius: 3px;
    overflow: hidden;
    margin: 16px 0;
}

.win11-progress-bar {
    height: 100%;
    background: var(--win11-accent);
    transition: width var(--transition-normal);
    border-radius: 3px;
}

/* Windows 11 Navigation */
.win11-navbar {
    background: var(--win11-surface);
    border-bottom: 1px solid var(--win11-border);
    padding: 0 24px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
}

.win11-navbar-brand {
    font-size: 14px;
    font-weight: 600;
    color: var(--win11-text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.win11-navbar-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.win11-navbar-item {
    color: var(--win11-text-primary);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: var(--radius-small);
    transition: background var(--transition-fast);
    font-size: 14px;
}

.win11-navbar-item:hover {
    background: var(--win11-surface-secondary);
}

.win11-navbar-item.active {
    background: var(--win11-surface-secondary);
}

/* Tabs (Windows 11 Pivot) */
.win11-tabs {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--win11-border);
    margin-bottom: 24px;
    overflow-x: auto;
}

.win11-tab {
    padding: 12px 20px;
    border: none;
    background: transparent;
    color: var(--win11-text-secondary);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.win11-tab:hover {
    color: var(--win11-text-primary);
    background: var(--win11-surface-secondary);
}

.win11-tab.active {
    color: var(--win11-accent);
    border-bottom-color: var(--win11-accent);
}

.win11-tab-content {
    display: none;
}

.win11-tab-content.active {
    display: block;
    animation: fadeIn var(--transition-normal);
}

/* Table */
.win11-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.win11-table th {
    text-align: left;
    padding: 12px;
    background: var(--win11-surface-secondary);
    color: var(--win11-text-primary);
    font-weight: 600;
    border-bottom: 1px solid var(--win11-border);
}

.win11-table td {
    padding: 12px;
    border-bottom: 1px solid var(--win11-border);
}

.win11-table tbody tr:hover {
    background: var(--win11-surface-secondary);
}

/* Modal */
.win11-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.win11-modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.win11-modal {
    background: var(--win11-surface);
    border-radius: var(--radius-large);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow: auto;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.win11-modal-overlay.active .win11-modal {
    transform: scale(1);
}

.win11-modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--win11-border);
}

.win11-modal-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--win11-text-primary);
}

.win11-modal-body {
    padding: 24px;
}

.win11-modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--win11-border);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* Toast Notifications */
.win11-toast-container {
    position: fixed;
    top: 64px;
    right: 16px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.win11-toast {
    background: var(--win11-surface);
    border: 1px solid var(--win11-border);
    border-radius: var(--radius-medium);
    padding: 16px;
    min-width: 300px;
    box-shadow: 0 4px 16px var(--win11-shadow);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    animation: slideInRight 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.win11-toast-success {
    border-left: 4px solid #0f7b0f;
}

.win11-toast-error {
    border-left: 4px solid #c42b1c;
}

.win11-toast-info {
    border-left: 4px solid var(--win11-accent);
}

.win11-toast-content {
    flex: 1;
}

.win11-toast-close {
    background: transparent;
    border: none;
    color: var(--win11-text-secondary);
    cursor: pointer;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-small);
    transition: all var(--transition-fast);
}

.win11-toast-close:hover {
    background: var(--win11-surface-secondary);
}

/* Spinner */
.win11-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--win11-border);
    border-top-color: var(--win11-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

.win11-spinner-large {
    width: 40px;
    height: 40px;
    border-width: 3px;
}

/* Utilities */
.win11-text-center {
    text-align: center;
}

.win11-text-secondary {
    color: var(--win11-text-secondary);
}

.win11-mt-1 { margin-top: 8px; }
.win11-mt-2 { margin-top: 16px; }
.win11-mt-3 { margin-top: 24px; }
.win11-mb-1 { margin-bottom: 8px; }
.win11-mb-2 { margin-bottom: 16px; }
.win11-mb-3 { margin-bottom: 24px; }

.win11-flex {
    display: flex;
}

.win11-flex-col {
    flex-direction: column;
}

.win11-gap-1 { gap: 8px; }
.win11-gap-2 { gap: 16px; }
.win11-gap-3 { gap: 24px; }

.win11-justify-between {
    justify-content: space-between;
}

.win11-justify-center {
    justify-content: center;
}

.win11-align-center {
    align-items: center;
}

.win11-w-100 {
    width: 100%;
}

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

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

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

/* Responsive */
@media (max-width: 768px) {
    .win11-container,
    .win11-container-narrow {
        padding: 16px;
        padding-top: 64px;
    }
    
    .win11-navbar {
        padding: 0 16px;
    }
    
    .win11-card {
        padding: 16px;
    }
}

/* Scrollbar styling for Windows 11 */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--win11-text-secondary);
    border-radius: 6px;
    border: 3px solid var(--win11-bg);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--win11-text-primary);
}

/* Login page specific */
.win11-login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.win11-login-card {
    max-width: 400px;
    width: 100%;
}

/* Command display */
.win11-command-display {
    background: var(--win11-surface-secondary);
    border: 1px solid var(--win11-border);
    border-radius: var(--radius-small);
    padding: 12px;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 12px;
    overflow-x: auto;
    margin-top: 16px;
    color: var(--win11-text-primary);
}

.win11-command-display pre {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-all;
}