:root{--primary-color: #dfaf46;--primary-hover: #c2942b;--secondary-color: #fdca61;--success-color: #c2942b;--danger-color: #c2942b;--background-color: #1b1b1b;--card-background: #2a2a2a;--border-color: #3a3a3a;--text-primary: #fdca61;--text-secondary: #dfaf46;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .3), 0 2px 4px -2px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .3), 0 4px 6px -4px rgba(0, 0, 0, .3);--transition-base: all .2s ease-in-out}body{margin:0;background-color:var(--background-color);color:var(--text-primary);font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.5}.app-container{max-width:1400px;margin:0 auto;padding:2rem}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;padding:1.5rem 2rem;background-color:var(--card-background);border-radius:1rem;box-shadow:var(--shadow-md)}.logo-container{display:flex;flex-direction:column}.logo-container h1{margin:0;color:var(--primary-color);font-size:2.25rem;font-weight:700;letter-spacing:-.025em}.subtitle{color:var(--text-secondary);font-size:1rem;font-weight:500}.settings-button{background:linear-gradient(145deg,var(--success-color),#0d9668);color:#fff;padding:.75rem 1.5rem;border-radius:.75rem;border:none;cursor:pointer;font-weight:500;transition:var(--transition-base);display:flex;align-items:center;gap:.5rem}.settings-button:hover{filter:brightness(110%);transform:translateY(-1px)}.main-content{display:grid;grid-template-columns:1.2fr .8fr;gap:2rem}.left-panel,.right-panel{display:flex;flex-direction:column;gap:2rem}section{background-color:var(--card-background);border-radius:1rem;padding:2rem;box-shadow:var(--shadow-md);transition:var(--transition-base)}section:hover{box-shadow:var(--shadow-lg)}.film-selection,.window-specs,.results{border:1px solid var(--border-color)}.film-type-selector select{width:100%;padding:.75rem 1rem;border:1px solid var(--border-color);border-radius:.5rem;font-size:1rem;color:var(--text-primary);background-color:var(--card-background);cursor:pointer;transition:var(--transition-base)}.calculate-btn{width:100%;padding:1rem;background:linear-gradient(145deg,var(--primary-color),var(--primary-hover));color:#fff;border:none;border-radius:.75rem;font-weight:600;font-size:1.1rem;cursor:pointer;transition:var(--transition-base);display:flex;align-items:center;justify-content:center;gap:.5rem}.calculate-btn:hover{transform:translateY(-1px)}.add-window-btn{background:linear-gradient(145deg,var(--success-color),#0d9668);color:#fff;padding:.75rem 1.5rem;border-radius:.75rem;border:none;cursor:pointer;font-weight:500;transition:var(--transition-base);display:flex;align-items:center;gap:.5rem;margin-top:1.5rem}.add-window-btn:hover{filter:brightness(110%);transform:translateY(-1px)}.table-container{margin-top:1.5rem;border-radius:.75rem;overflow:hidden;border:1px solid var(--border-color)}table{width:100%;border-collapse:collapse}th{background-color:var(--background-color);padding:1rem;font-weight:600;text-align:left;color:var(--text-secondary)}td{padding:1rem;border-top:1px solid var(--border-color)}.metrics-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;margin:2rem 0}.metric-card{padding:1.5rem;border-radius:1rem;background:linear-gradient(145deg,var(--card-background),var(--background-color));text-align:center;transition:var(--transition-base);border:1px solid var(--border-color);box-shadow:var(--shadow-sm)}.metric-card:hover{transform:translateY(-2px)}.metric-card h4{margin:0 0 .75rem;color:var(--text-secondary);font-size:.875rem;text-transform:uppercase;letter-spacing:.05em}.metric-card .value{font-size:1.875rem;font-weight:700;color:var(--text-primary);line-height:1}@media (max-width: 1024px){.main-content{grid-template-columns:1fr}.app-container{padding:1rem}}@media (max-width: 640px){.header{flex-direction:column;text-align:center;gap:1rem}.metrics-grid{grid-template-columns:1fr}section{padding:1.5rem}}.window-entry{background-color:var(--background-color);border-radius:.75rem;padding:1.5rem;margin-bottom:1rem;border:1px solid var(--border-color);transition:var(--transition-base)}.window-entry:hover{border-color:var(--primary-color);transform:translateY(-2px)}.window-inputs{display:grid;grid-template-columns:repeat(3,1fr) auto;gap:1rem;align-items:center}.input-group{display:flex;flex-direction:column;gap:.5rem}.input-group label{font-size:.875rem;color:var(--text-secondary);font-weight:500}.input-group input{padding:.75rem;border:1px solid var(--border-color);border-radius:.5rem;font-size:1rem;width:100%;transition:var(--transition-base)}.input-group input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #3b82f633}.remove-window-btn{background:linear-gradient(145deg,var(--danger-color),#dc2626);color:#fff;border:none;border-radius:.5rem;width:2.5rem;height:2.5rem;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition-base);margin-left:auto;margin-top:1rem}.remove-window-btn:hover{filter:brightness(110%);transform:translateY(-1px)}@media (max-width: 768px){.window-inputs{grid-template-columns:1fr 1fr 1fr;grid-template-rows:auto auto;row-gap:1rem;column-gap:.75rem}.remove-window-btn{grid-column:3;grid-row:1;justify-self:flex-end}}@media (max-width: 480px){.window-inputs{grid-template-columns:1fr 1fr;grid-template-rows:auto auto}.remove-window-btn{grid-column:2;grid-row:1;justify-self:flex-end}.general-settings-grid{grid-template-columns:1fr;gap:1rem}}.settings-modal{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000}.settings-content{background-color:var(--card-background);border-radius:.75rem;width:90%;max-width:500px;max-height:85vh;display:flex;flex-direction:column;box-shadow:var(--shadow-lg)}.settings-header{padding:1.25rem;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}.settings-form{padding:1.25rem;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--secondary-color) transparent}.settings-form::-webkit-scrollbar{width:6px}.settings-form::-webkit-scrollbar-track{background:transparent}.settings-form::-webkit-scrollbar-thumb{background-color:var(--secondary-color);border-radius:3px}.settings-header h2{margin:0;font-size:1.5rem;color:var(--text-primary)}.close-icon{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:.5rem;font-size:1.25rem;transition:var(--transition-base)}.close-icon:hover{color:var(--text-primary)}.settings-section{margin-bottom:2rem}.settings-section h3{color:var(--text-secondary);font-size:1.1rem;margin-bottom:1rem}.input-group{margin-bottom:1rem}.input-group label{display:block;margin-bottom:.5rem;color:var(--text-secondary);font-size:.875rem}.input-group input{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:.5rem;font-size:1rem;box-sizing:border-box;transition:var(--transition-base)}.input-group input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px #3b82f61a}.general-settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1.5rem;margin-bottom:1.5rem}.roll-size-row{background-color:var(--background-color);border-radius:.5rem;padding:1rem 1.5rem;margin-bottom:.75rem}.roll-inputs{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-top:.5rem}.roll-width{font-weight:600;color:var(--text-primary);min-width:2.5rem;margin-right:.5rem}.weights-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.settings-footer{padding:1.25rem;border-top:1px solid var(--border-color);display:flex;justify-content:flex-end}.save-settings{background:var(--primary-color);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:.5rem;font-weight:500;cursor:pointer;transition:var(--transition-base)}.save-settings:hover{background:var(--primary-hover);transform:translateY(-1px)}