*{margin:0;padding:0;box-sizing:border-box}:root{--color-primary: #2563eb;--color-primary-dark: #1e40af;--color-success: #10b981;--color-warning: #f59e0b;--color-danger: #ef4444;--color-text: #1f2937;--color-text-light: #6b7280;--color-bg: #f9fafb;--color-bg-white: #ffffff;--color-border: #e5e7eb;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--color-bg);color:var(--color-text);line-height:1.6}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background:var(--color-bg-white);border-bottom:1px solid var(--color-border);padding:1rem 2rem;box-shadow:var(--shadow-sm)}.app-header h1{font-size:1.5rem;font-weight:600;color:var(--color-text)}.app-main{flex:1;padding:2rem;max-width:1400px;width:100%;margin:0 auto}.installations-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:2rem}.stat-card{background:var(--color-bg-white);border-radius:8px;padding:1.5rem;box-shadow:var(--shadow-md);text-align:center}.stat-card.stat-pending{border-top:4px solid var(--color-warning)}.stat-card.stat-approved{border-top:4px solid var(--color-success)}.stat-card.stat-rejected{border-top:4px solid var(--color-danger)}.stat-value{font-size:2rem;font-weight:700;color:var(--color-text);margin-bottom:.5rem}.stat-label{font-size:.875rem;color:var(--color-text-light);text-transform:uppercase;letter-spacing:.05em}.filter-tabs{display:flex;gap:.5rem;margin-bottom:2rem;border-bottom:2px solid var(--color-border)}.filter-tab{background:none;border:none;padding:.75rem 1.5rem;font-size:.875rem;font-weight:500;color:var(--color-text-light);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .2s}.filter-tab:hover{color:var(--color-text)}.filter-tab.active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.error-message{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;padding:1rem;border-radius:8px;margin-bottom:1rem;display:flex;align-items:flex-start;gap:.75rem}.error-message .mdi{font-size:1.25rem;flex-shrink:0;margin-top:.125rem}.error-content{flex:1}.error-text{margin-bottom:.5rem}.error-debug{margin-top:.5rem;padding-top:.5rem;border-top:1px solid #fecaca;opacity:.8}.error-debug small{font-family:Courier New,monospace;font-size:.75rem;line-height:1.5}.loading{text-align:center;padding:3rem;color:var(--color-text-light)}.loading .mdi{font-size:2rem;margin-bottom:1rem;display:block}.empty-state{text-align:center;padding:3rem;color:var(--color-text-light)}.empty-state .mdi{font-size:3rem;margin-bottom:1rem;display:block}.installations-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:1.5rem}@media(max-width:768px){.installations-grid{grid-template-columns:1fr}}.installation-card{background:var(--color-bg-white);border-radius:8px;box-shadow:var(--shadow-md);overflow:hidden;transition:transform .2s,box-shadow .2s}.installation-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.installation-card.status-pending{border-left:4px solid var(--color-warning)}.installation-card.status-approved{border-left:4px solid var(--color-success)}.installation-card.status-rejected{border-left:4px solid var(--color-danger)}.card-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;border-bottom:1px solid var(--color-border)}.card-title{display:flex;align-items:center;gap:.5rem}.card-title .mdi{font-size:1.25rem;color:var(--color-text-light)}.installation-id{font-family:Courier New,monospace;font-weight:600;color:var(--color-text);font-size:.875rem}.status-badge{padding:.25rem .75rem;border-radius:12px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.status-badge.status-pending{background:#fef3c7;color:#92400e}.status-badge.status-approved{background:#d1fae5;color:#065f46}.status-badge.status-rejected{background:#fee2e2;color:#991b1b}.card-body{padding:1.5rem}.info-row{display:flex;justify-content:space-between;padding:.5rem 0;border-bottom:1px solid var(--color-border)}.info-row:last-child{border-bottom:none}.info-label{font-weight:500;color:var(--color-text-light);font-size:.875rem}.info-value{color:var(--color-text);font-size:.875rem;text-align:right;word-break:break-word}.card-actions{display:flex;gap:.75rem;padding:1rem 1.5rem;border-top:1px solid var(--color-border);background:var(--color-bg)}.card-actions .btn{flex:1}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);font-family:var(--font-family-sans);font-weight:var(--font-weight-medium);letter-spacing:.025em;text-transform:uppercase;border:1px solid transparent;cursor:pointer;transition:all var(--transition-base);position:relative;white-space:nowrap}.btn:focus{outline:none;box-shadow:0 0 0 3px #d4af3733}.btn:disabled{cursor:not-allowed;opacity:.5}.btn--sm{height:var(--input-height-sm);padding:0 var(--space-lg);font-size:var(--font-size-xs);border-radius:var(--radius-sm)}.btn--md{height:var(--input-height-md);padding:0 var(--space-2xl);font-size:var(--font-size-sm);border-radius:var(--radius-md)}.btn--lg{height:var(--input-height-lg);padding:0 var(--space-3xl);font-size:var(--font-size-base);border-radius:var(--radius-lg)}.btn--primary{background-color:var(--color-ivory);color:var(--color-burgandy);border-color:var(--color-ivory)}.btn--primary:hover:not(:disabled){background-color:var(--color-muted);border-color:var(--color-muted);color:var(--color-ivory)}.btn--primary:active:not(:disabled){transform:translateY(1px)}.btn--secondary{background-color:var(--color-ivory);color:var(--color-ivory);border-color:var(--color-ivory)}.btn--secondary:hover:not(:disabled){background-color:#c9a02c;border-color:#c9a02c}.btn--secondary:active:not(:disabled){transform:translateY(1px)}.btn--outline{background-color:transparent;color:var(--color-ivory);border-color:var(--color-ivory)}.btn--outline:hover:not(:disabled){background-color:var(--color-ivory);color:var(--color-burgandy)}.btn--outline:active:not(:disabled){transform:translateY(1px)}.btn--ghost{background-color:transparent;color:var(--color-ivory);border-color:transparent}.btn--ghost:hover:not(:disabled){background-color:var(--color-ivory)}.btn--ghost:active:not(:disabled){transform:translateY(1px)}.btn--full-width{width:100%}.btn--loading{cursor:wait;position:relative}.btn__content--hidden{visibility:hidden}.btn__spinner{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:1rem;height:1rem;border:2px solid transparent;border-top-color:currentColor;border-radius:50%;animation:btn-spin .6s linear infinite}@keyframes btn-spin{to{transform:translate(-50%,-50%) rotate(360deg)}}@media(max-width:768px){.btn--md{padding:0 var(--space-xl)}.btn--lg{padding:0 var(--space-2xl)}}