.calculator{background:linear-gradient(180deg,#fff 0%,#fbfdff 100%);border-radius:22px;padding:20px;box-shadow:0 10px 30px rgba(26,75,95,.08);margin:16px 0;border:1px solid #d9e3ee;position:relative;overflow:hidden;box-sizing:border-box}.calculator::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at top right,rgba(107,158,158,.12),transparent 38%),radial-gradient(circle at bottom left,rgba(26,75,95,.08),transparent 35%);pointer-events:none}.form-row{display:flex;flex-wrap:wrap;align-items:flex-end;gap:12px;margin-bottom:14px;box-sizing:border-box;position:relative;z-index:1}.date-group{display:flex;flex-wrap:nowrap;align-items:center;gap:8px;background:#fff0f6;padding:8px;border-radius:16px;min-width:0;box-sizing:border-box;border:1px solid #ffd6e8}.date-field{display:flex;flex-direction:column;min-width:0;box-sizing:border-box}.date-field.day{flex:0 0 16%}.date-field.month{flex:0 0 40%}.date-field.year{flex:0 0 16%}.calendar-select{flex:0 0 26%;padding:8px;border:1.5px solid #ffd6e8;border-radius:12px;background:#fff0f6;font-size:0.9rem;min-width:0;box-sizing:border-box;color:#1a3f5c;cursor:pointer;transition:border-color .2s ease,box-shadow .2s ease}.calendar-select:focus{outline:none;border-color:#1a4b5f;box-shadow:0 0 0 4px rgba(26,75,95,.08);background:#fff}.date-field label{font-size:0.75rem;color:#ff3d8a;font-weight:700;margin-bottom:4px;box-sizing:border-box}.date-input,.month-select{width:100%;padding:8px;border:1.5px solid #ffd6e8;border-radius:12px;text-align:center;background:#fff0f6;font-size:0.9rem;color:#1a3f5c;transition:border-color .2s ease,box-shadow .2s ease;box-sizing:border-box}.date-input:focus,.month-select:focus{outline:none;border-color:#1a4b5f;box-shadow:0 0 0 4px rgba(26,75,95,.08);background:#fff}.cycle-row{display:flex;flex-wrap:nowrap;gap:10px;width:100%;align-items:flex-end;box-sizing:border-box}.input-group{flex:1 1 48%;min-width:0;box-sizing:border-box}.input-label{display:block;color:#1a4b5f;font-weight:700;margin-bottom:6px;font-size:0.9rem;box-sizing:border-box}.input-number{width:100%;padding:10px;border:1.5px solid #ffd6e8;border-radius:12px;text-align:center;font-size:1rem;background:#fff0f6;color:#1a3f5c;transition:border-color .2s ease,box-shadow .2s ease;box-sizing:border-box}.input-number:focus{outline:none;border-color:#1a4b5f;box-shadow:0 0 0 4px rgba(26,75,95,.08);background:#fff}.calculate-btn{background:linear-gradient(135deg,#ff3d8a,#ff6b9d);color:#fff;border:0;padding:10px 22px;border-radius:30px;font-weight:700;font-size:1rem;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;margin:14px auto 0;display:block;width:fit-content;box-shadow:0 8px 18px rgba(255,61,138,.2);box-sizing:border-box;position:relative;z-index:1}.calculate-btn:hover{transform:translateY(-2px);box-shadow:0 12px 22px rgba(255,61,138,.3);filter:saturate(1.03)}.results-container{margin-top:18px;padding:16px;background:#fff0f6;border-radius:16px;border:1px solid #ffd6e8;border-right:5px solid #ff3d8a;display:none;box-shadow:0 6px 16px rgba(0,0,0,.04);box-sizing:border-box;position:relative;z-index:1}.results-container.show{display:block}.results-title{color:#1a4b5f;font-size:1.05rem;margin-bottom:12px;padding-bottom:10px;border-bottom:2px solid #ffd6e8;font-weight:800;box-sizing:border-box}.calendar-set{display:none}.calendar-set.active{display:block}.calendar-section{margin-top:0;margin-bottom:12px;box-sizing:border-box}.calendar-wrapper{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px;min-width:0;box-sizing:border-box}.calendar-box{background:#fff;border-radius:16px;padding:12px;box-shadow:0 4px 12px rgba(0,0,0,.02);border:1px solid #e0e7ef;min-width:0;box-sizing:border-box}.calendar-title{color:#1a4b5f;font-size:1rem;font-weight:700;margin-bottom:10px;text-align:center;box-sizing:border-box}.calendar-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px;background:#fff;width:100%;box-sizing:border-box;grid-auto-rows:2.2rem}.calendar-day-header{text-align:center;padding:6px 4px;font-weight:700;color:#2e546a;background:#f2f6fc;border-radius:12px;font-size:0.8rem;overflow:visible;white-space:normal;text-overflow:clip;line-height:1.1;box-sizing:border-box}.calendar-day{text-align:center;padding:6px 4px;border-radius:12px;font-size:0.85rem;background:#fff;border:1px solid #e0e7ef;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;box-sizing:border-box;transition:all .2s ease}.calendar-day.period{background:#ffd9e6;border-color:#ffb6c1;color:#5d4037}.calendar-day.fertile{background:#dcedc8;border-color:#c5e1a5;color:#1e3a2f}.calendar-day.ovulation{background:#b2dfdb;border-color:#80cbc4;color:#004d40;font-weight:700}.calendar-day.empty{background:transparent;border:none}.legend{display:flex;flex-wrap:nowrap;gap:8px;justify-content:space-between;border-top:1px solid #ffd6e8;margin-top:8px;padding-top:8px;align-items:center;box-sizing:border-box}.legend-item{flex:0 1 33%;display:flex;align-items:center;justify-content:center;gap:6px;font-size:0.85rem;color:#5a6c7d;box-sizing:border-box}.legend-color{width:16px;height:16px;border-radius:6px}.legend-period{background:#ffd9e6;border:1px solid #ffb6c1}.legend-fertile{background:#dcedc8;border:1px solid #c5e1a5}.legend-ovulation{background:#b2dfdb;border:1px solid #80cbc4}.results-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-top:12px;margin-bottom:20px;width:100%;box-sizing:border-box}.result-card{background:#fff;padding:12px;border-radius:16px;box-shadow:0 4px 12px rgba(0,0,0,.02);text-align:center;border:1px solid #e0e7ef;transition:transform .2s ease,box-shadow .2s ease}.result-card:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(26,75,95,.08)}.result-label{color:#5a6c7d;font-size:0.85rem;margin-bottom:6px;display:block;font-weight:600}.result-date{font-size:1rem;font-weight:800;color:#1a4b5f;line-height:1.3}.result-hijri{font-size:0.75rem;color:#ff3d8a;background:#fff0f6;display:inline-block;padding:3px 8px;border-radius:20px;margin-top:6px;font-weight:600}.tips-section{background:#fff;padding:16px;border-radius:16px;margin-top:18px;border:1px solid #e0e7ef}.tips-title{color:#1a4b5f;font-size:1rem;margin-bottom:12px;font-weight:700}.tips-list{padding-right:12px;margin:0}.tips-list li{margin-bottom:8px;line-height:1.6;color:#1a3f5c;font-size:0.9rem}@media(max-width:1024px){.calendar-wrapper{grid-template-columns:1fr 1fr;gap:12px}.calendar-box{padding:10px}.calendar-title{font-size:0.95rem}.calendar-grid{grid-auto-rows:1.8rem;gap:3px}.calendar-day-header{font-size:0.75rem;padding:5px 3px}.calendar-day{font-size:0.75rem;padding:5px 3px}.results-grid{grid-template-columns:repeat(3,1fr);gap:14px}}@media(max-width:768px){.date-group{padding:8px;gap:6px}.date-field.day{flex:0 0 16%}.date-field.month{flex:0 0 40%}.date-field.year{flex:0 0 16%}.calendar-select{flex:0 0 28%}.cycle-row{gap:8px}.input-group{flex:1 1 48%}.calendar-wrapper{display:flex;flex-wrap:nowrap;gap:6px}.calendar-box{flex:1 1 48%;max-width:48%;padding:8px}.calendar-grid{grid-auto-rows:1.6rem;gap:3px}.calendar-day-header{font-size:0.62rem;padding:4px 2px;white-space:normal;line-height:1.05}.calendar-day{font-size:0.62rem;padding:4px 2px}.legend-item{font-size:0.78rem}.results-grid{grid-template-columns:repeat(2,1fr);gap:10px}}@media(max-width:600px){.date-field.day{flex:0 0 15%}.date-field.month{flex:0 0 44%}.date-field.year{flex:0 0 15%}.calendar-select{flex:0 0 26%}.calendar-box{flex:1 1 46%;max-width:46%;padding:6px}.calendar-grid{grid-auto-rows:1.4rem;gap:2px;font-size:0.6rem}.calendar-day-header{font-size:0.56rem;padding:3px 2px;white-space:normal;line-height:1.05}.calendar-day{font-size:0.56rem;padding:3px 2px}.legend-item{font-size:0.72rem}.input-group{flex:1 1 48%}}@media(max-width:480px){.date-group{padding:6px;gap:6px}.date-field.day{flex:0 0 14%}.date-field.month{flex:0 0 46%}.date-field.year{flex:0 0 14%}.calendar-select{flex:0 0 26%}.cycle-row{gap:6px}.input-group{flex:1 1 48%}.calendar-wrapper{display:flex;flex-wrap:nowrap;gap:4px;width:100%}.calendar-box{flex:1 1 46%;max-width:46%;padding:5px}.calendar-grid{grid-auto-rows:1.2rem;gap:2px;font-size:0.52rem}.calendar-title{font-size:0.72rem}.calendar-day-header{font-size:0.5rem;padding:2px 2px;white-space:normal;line-height:1.05}.calendar-day{font-size:0.5rem;padding:2px 2px}.legend{margin-top:6px;padding-top:6px}.legend-item{font-size:0.66rem}.results-grid{gap:8px}}@media(max-width:420px){.date-group{padding:6px;gap:4px}.date-field.day{flex:0 0 14%}.date-field.month{flex:0 0 46%}.date-field.year{flex:0 0 14%}.calendar-select{flex:0 0 26%}.input-group{flex:1 1 48%}.calendar-wrapper{display:flex;flex-wrap:nowrap;gap:4px;width:100%}.calendar-box{flex:1 1 46%;max-width:46%;padding:4px}.calendar-grid{grid-auto-rows:1.1rem;gap:2px;font-size:0.48rem}.calendar-title{font-size:0.68rem}.calendar-day-header{font-size:0.48rem;padding:2px 2px;white-space:normal;line-height:1.05}.calendar-day{font-size:0.48rem;padding:2px 2px}.legend-item{font-size:0.62rem}.results-grid{gap:8px}}@media(max-width:360px){.date-group{flex-wrap:wrap}.date-field.day,.date-field.month,.date-field.year{flex:0 0 100%;margin-bottom:4px}.calendar-select{flex:0 0 100%;margin-top:8px}.cycle-row{flex-wrap:wrap}.input-group{flex:1 1 100%}.calendar-wrapper{flex-wrap:wrap}.calendar-box{flex:1 1 100%;max-width:100%}.results-grid{grid-template-columns:1fr}.legend{flex-wrap:wrap;gap:4px}.legend-item{flex:0 0 48%}}