:root{--primary-color: #0099ff;--bg-color: #f8fafc;--card-bg: #ffffff;--text-main: #1e293b;--text-muted: #64748b;--border-color: #e2e8f0;--success-color: #10b981;--font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-main);line-height:1.6;direction:ltr}.app-container{max-width:1000px;margin:2rem auto;padding:0 1rem}@media (max-width: 768px){.app-container{margin:.5rem auto;padding:0 .5rem}}.card{background:var(--card-bg);border-radius:12px;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;padding:1.5rem;margin-bottom:1rem}header{display:flex;flex-direction:column;align-items:center;gap:1rem;margin-bottom:1rem;text-align:center}.logo{height:auto;max-height:80px;width:100%;max-width:220px;object-fit:contain;margin:0 auto;transition:all .3s ease}@media (max-width: 600px){.logo{max-height:60px}}.btn{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 1.2rem;font-size:.875rem;font-weight:600;border-radius:8px;border:1px solid transparent;cursor:pointer;transition:all .2s;vertical-align:middle;box-sizing:border-box;white-space:nowrap}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{filter:brightness(1.1)}.btn-secondary{background-color:#f1f5f9;color:var(--text-main);border:1px solid var(--border-color)}.btn-secondary:hover{background-color:#e2e8f0}.btn-danger{background-color:#fee2e2;color:#b91c1c;font-size:.8rem;padding:.4rem .8rem}.btn-icon{background:none;border:none;color:#ef4444;font-size:1.5rem;cursor:pointer;line-height:1;padding:0 .25rem}.form-group{margin-bottom:1rem}label{display:block;margin-bottom:.4rem;font-weight:500;color:var(--text-muted);font-size:.9rem}input,select{width:100%;padding:.65rem .75rem;border:1px solid var(--border-color);border-radius:8px;font-size:.95rem;background:#fff;color:var(--text-main)}input:focus,select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #0099ff1a}.form-row{display:flex;gap:1rem}.flex-1{flex:1;min-width:0}.doc-controls{display:flex;flex-direction:column;align-items:center;gap:.75rem;width:100%}.doc-type-selector{display:flex;gap:.5rem;justify-content:center;width:100%;flex-wrap:wrap}.doc-type-selector select,.doc-type-selector input[type=date]{flex:1;min-width:120px;max-width:200px}.import-export-btns{display:flex;gap:.5rem;justify-content:center;flex-wrap:wrap;width:100%}.table-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.table-title-input{font-size:1.5rem;font-weight:700;border:none;border-bottom:2px solid transparent;width:auto;min-width:200px;padding:.2rem;background:transparent}.table-title-input::placeholder{color:var(--text-muted);opacity:.6}.table-title-input:focus{outline:none;border-bottom-color:var(--primary-color);box-shadow:none;background:transparent}.table-container{overflow-x:auto;margin-top:.25rem;-webkit-overflow-scrolling:touch}table{width:100%;border-collapse:collapse;min-width:550px}th{background-color:#f1f5f9;text-align:left;padding:.75rem;font-weight:700;font-size:1rem;color:var(--text-main);border-bottom:2px solid var(--border-color)}td{padding:.75rem;border-bottom:1px solid var(--border-color);vertical-align:middle}.col-num{width:36px;text-align:center;font-weight:600;color:var(--text-muted)}.col-unit{width:80px}.col-qty-input{width:60px;text-align:center;padding:.4rem .3rem}.unit-select{width:100%;min-width:60px;padding:.4rem .3rem;font-size:.85rem;border:1px solid var(--border-color);border-radius:6px;background:#fff;cursor:pointer}.total-price-cell{font-weight:700;text-align:right;white-space:nowrap}.table-subtotal{text-align:right;margin-top:.75rem;font-size:1.05rem;color:var(--primary-color)}.arabic-input{direction:rtl;text-align:right;width:100%;border:1px solid transparent;padding:.4rem .5rem;transition:border-color .2s;background:transparent;font-family:inherit}.arabic-input:focus{outline:none;border-bottom:1px solid var(--primary-color);background:#f8fafc}.description-textarea{resize:none;overflow-y:hidden;min-height:36px;line-height:1.4;box-sizing:border-box;display:block;width:100%}.summary-card h2{border-bottom:1px solid var(--border-color);padding-bottom:1rem;margin-bottom:1.5rem}.final-calculations{margin-top:1rem;background:#f8fafc;padding:1.25rem;border-radius:8px}.summary-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem}.calc-row{display:flex;justify-content:space-between;padding:.5rem 0;border-bottom:1px solid rgba(0,0,0,.05)}.gross-row{border-top:2px solid var(--primary-color);margin-top:1rem;padding-top:1rem;font-weight:700;font-size:1.2rem}.gross-value{color:var(--primary-color)}.mt-1{margin-top:.75rem}.w-100{width:100%}.text-center{text-align:center}.text-muted{color:var(--text-muted)}.section-subtitle{font-size:1.1rem;color:var(--text-main);border-bottom:1px solid var(--border-color);padding-bottom:.5rem;margin-bottom:1rem}.footer-info{position:relative;text-align:center;color:var(--text-muted);font-size:.85rem;padding:2.5rem 0 2rem;line-height:1.8;margin-top:2rem}.footer-info:before{content:"";position:absolute;top:0;left:50%;transform:translate(-50%);width:140px;height:2px;background:var(--primary-color);border-radius:2px;opacity:.85}.auth-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background-color:var(--bg-color);padding:1rem}.auth-card{max-width:420px;width:100%;padding:2rem 1.75rem;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d}.auth-header{margin-bottom:2rem;text-align:center}.auth-header .logo{display:block;width:100%;max-width:260px;height:auto;max-height:90px;margin:0 auto 1.5rem;object-fit:contain}.lang-select-auth{display:block;margin:.5rem auto 0;max-width:130px;padding:.4rem;font-size:.9rem}.auth-form h2{font-size:1.4rem;color:var(--text-main);margin-bottom:.75rem;text-align:center}.auth-subtitle{font-size:.875rem;color:var(--text-muted);text-align:center;margin-bottom:1.5rem;line-height:1.5}.auth-loading{display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;font-weight:500;color:var(--text-muted)}.spinner{border:4px solid rgba(0,0,0,.1);width:36px;height:36px;border-radius:50%;border-left-color:var(--primary-color);animation:spin 1s linear infinite;margin-bottom:1rem}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#0f172a99;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .2s ease-out;padding:1rem}.modal-content{background:var(--card-bg);border-radius:16px;max-width:440px;width:100%;padding:1.75rem;box-shadow:0 20px 25px -5px #00000026,0 10px 10px -5px #0000000a;position:relative;animation:slideUp .25s cubic-bezier(.16,1,.3,1);margin-bottom:0}.modal-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-color);padding-bottom:1rem;margin-bottom:1.25rem}.modal-header h3{font-size:1.2rem;color:var(--text-main);font-weight:600}.modal-close{background:none;border:none;font-size:1.8rem;line-height:1;color:var(--text-muted);cursor:pointer;padding:.2rem;border-radius:4px;transition:all .2s}.modal-close:hover{background-color:#f1f5f9;color:var(--text-main)}.modal-actions{display:flex;justify-content:flex-end;gap:.75rem;margin-top:1.5rem;border-top:1px solid var(--border-color);padding-top:1rem}.add-client-form{display:flex;flex-direction:column;gap:.75rem}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){header{gap:.75rem;padding:1rem}.card{padding:1rem;border-radius:8px}.doc-controls{width:100%;gap:.6rem}.doc-type-selector{flex-wrap:wrap;width:100%;gap:.5rem}.doc-type-selector select,.doc-type-selector input[type=date]{flex:1;min-width:0;max-width:100%}.import-export-btns{width:100%;justify-content:center;gap:.4rem}.import-export-btns .btn{font-size:.8rem;padding:0 .8rem;height:36px}.form-row{flex-direction:column;gap:.5rem}.summary-grid{grid-template-columns:1fr;gap:1rem}.table-header{flex-direction:column;align-items:flex-start;gap:.5rem}.table-header .btn{align-self:flex-end}.table-title-input{width:100%;font-size:1.2rem}.table-subtotal{font-size:.95rem}.gross-row{font-size:1rem}.modal-content{padding:1.25rem;border-radius:12px}}@media (max-width: 480px){.logo{max-height:50px}.btn{font-size:.8rem;padding:0 .75rem}th{font-size:.85rem;padding:.5rem}td{padding:.5rem;font-size:.85rem}}
