/* =========================================
   GIAO DIỆN LỊCH (BẢN VIP - SIZE CHỮ TO, VÒNG TRÒN, ĐỒNG BỘ)
========================================= */

/* ANIMATION: HIỆU ỨNG BẬT MỞ LỊCH MƯỢT MÀ */
@keyframes calendarReveal {
    0% { opacity: 0; transform: translateY(-10px) scale(0.98); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

/* ANIMATION: NHỊP ĐẬP HÀO QUANG CHO NGÀY ĐƯỢC CHỌN */
@keyframes pulseGlow {
    0% { box-shadow: 0 0 0 0 rgba(63, 115, 198, 0.4); }
    70% { box-shadow: 0 0 0 6px rgba(63, 115, 198, 0); }
    100% { box-shadow: 0 0 0 0 rgba(63, 115, 198, 0); }
}

.flatpickr-calendar {
    position: absolute; 
    width: 310px !important; /* Nới rộng tổng thể để chứa vòng tròn 40px */
    padding: 8px !important; 
    background: #ffffff;
    border-radius: 16px !important; 
    box-shadow: 0 20px 40px rgba(0,0,0,0.12), 0 0 0 1px rgba(0,0,0,0.05) !important; 
    border: none !important; 
    z-index: 99999999 !important;
}

.flatpickr-calendar.open {
    animation: calendarReveal 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards !important;
}

/* =========================================
   TIÊU ĐỀ THÁNG
========================================= */
.flatpickr-months { padding: 4px 0 12px 0; border-bottom: 1px dashed #e2e8f0; background: #fff; }
.flatpickr-month { height: 32px !important; }
.flatpickr-current-month { 
    padding: 0 !important; font-size: 18px !important; font-weight: 800 !important; color: #1e293b !important; 
    display: flex !important; align-items: center !important; justify-content: center !important; gap: 8px !important; 
}

.flatpickr-current-month .flatpickr-monthDropdown-months { 
    color: #1e293b !important; font-weight: 800 !important; background: transparent !important; 
    border: none !important; outline: none !important; cursor: pointer;
    appearance: none !important; -webkit-appearance: none !important; -moz-appearance: none !important;
    font-size: 18px !important; padding: 0 16px 0 4px !important; 
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%231e293b' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><path d='M6 9l6 6 6-6'/></svg>") !important;
    background-repeat: no-repeat !important; background-position: right center !important; margin: 0 !important;
    transition: color 0.2s;
}
.flatpickr-current-month .flatpickr-monthDropdown-months:hover { color: #3f73c6 !important; }

.flatpickr-current-month .numInputWrapper { display: inline-flex !important; width: 7.5ch !important; margin-left: 2px; }
.flatpickr-current-month .numInputWrapper input { color: #1e293b !important; font-weight: 800 !important; font-size: 19px !important; padding-right: 12px !important; transition: color 0.2s; }
.flatpickr-current-month .numInputWrapper input:hover { color: #3f73c6 !important; }
.flatpickr-current-month .numInputWrapper span { display: flex !important; opacity: 0.5; }

.flatpickr-prev-month, .flatpickr-next-month {
    display: flex !important; align-items: center !important; justify-content: center !important;
    width: 32px !important; height: 32px !important; border-radius: 50% !important; background: #f8fafc !important;
    top: 10px !important; padding: 0 !important; transition: all 0.2s !important;
}
.flatpickr-prev-month:hover, .flatpickr-next-month:hover { background: #eff6ff !important; transform: scale(1.1); }
.flatpickr-prev-month:hover svg, .flatpickr-next-month:hover svg { fill: #3f73c6 !important; }

/* =========================================
   HÀNG THỨ
========================================= */
.flatpickr-weekdays { padding: 10px 7px 6px 7px !important; background: #fff; display: flex !important; }
.flatpickr-weekday { 
    font-size: 14px !important; font-weight: 800 !important; color: #64748b !important; text-transform: uppercase; letter-spacing: 0.5px;
    width: 40px !important; flex: none !important; margin: 0 !important; text-align: center !important;
}
span.flatpickr-weekday:nth-child(6) { color: #3f73c6 !important; } 
span.flatpickr-weekday:nth-child(7) { color: #e53935 !important; } 

/* =========================================
   Ô NGÀY - PHÓNG TO VÒNG TRÒN LÊN 40PX
========================================= */
.flatpickr-days { padding: 4px 7px 10px 7px !important; width: 100% !important; box-sizing: border-box !important; }
.dayContainer { width: 280px !important; min-width: 280px !important; max-width: 280px !important; justify-content: flex-start !important; gap: 0 !important; }

.flatpickr-day {
    display: flex !important; flex-direction: column !important; justify-content: center !important; align-items: center !important;
    width: 40px !important; max-width: 40px !important; height: 40px !important; /* Đã nới rộng thành 40x40 */
    margin: 2px 0 !important; 
    border-radius: 50% !important; 
    background: transparent;
    transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1) !important; 
    border: 1px solid transparent !important;
    position: relative;
}

.flatpickr-day .day-wrap { display: flex; flex-direction: column; align-items: center; pointer-events: none; line-height: 1; }

/* SỐ DƯƠNG LỊCH LÊN 18PX */
.flatpickr-day .solar { font-weight: 800; font-size: 18px; color: #1e293b; transition: color 0.2s; letter-spacing: -0.5px; } 
/* SỐ ÂM LỊCH LÊN 12PX (TO RÕ HẾT MỎI MẮT) */
.flatpickr-day .lunar { font-size: 12px; font-weight: 700; color: #94a3b8; margin-top: 1px; transition: color 0.2s; } 

.flatpickr-day.sat .solar { color: #3f73c6 !important; } 
.flatpickr-day.sun .solar { color: #e53935 !important; } 

/* HOVER NỔI 3D TRÊN HÌNH TRÒN */
.flatpickr-day:not(.selected):not(.disabled):not(.prevMonthDay):not(.nextMonthDay):hover { 
    background: #ffffff !important; 
    transform: scale(1.1) !important; 
    box-shadow: 0 6px 14px rgba(63, 115, 198, 0.15) !important; 
    border-color: #dbeafe !important;
    z-index: 10;
}
.flatpickr-day:not(.selected):hover .solar { color: #3f73c6 !important; }
.flatpickr-day:not(.selected):hover .lunar { color: #3f73c6 !important; }

/* SELECTED ĐỒNG BỘ */
.flatpickr-day.selected, 
.flatpickr-day.startRange, 
.flatpickr-day.endRange, 
.flatpickr-day.selected.inRange, 
.flatpickr-day.startRange.inRange, 
.flatpickr-day.endRange.inRange, 
.flatpickr-day.startRange.selected, 
.flatpickr-day.endRange.selected { 
    background: linear-gradient(135deg, #60a5fa 0%, #3f73c6 100%) !important; 
    border: none !important; 
    transform: scale(1.08) !important; 
    z-index: 10;
    animation: pulseGlow 1.5s infinite !important;
    border-radius: 50% !important; 
}
.flatpickr-day.selected .solar, .flatpickr-day.startRange .solar, .flatpickr-day.endRange .solar { color: #fff !important; text-shadow: 0 1px 3px rgba(0,0,0,0.3); font-size: 19px; }
.flatpickr-day.selected .lunar, .flatpickr-day.startRange .lunar, .flatpickr-day.endRange .lunar { color: #e0e7ff !important; opacity: 1; font-size: 12px; }

/* TODAY SẠCH SẼ */
.flatpickr-day.today { 
    background: #f8fafc !important; 
    border: 1px solid #bfdbfe !important; 
}
.flatpickr-day.today .solar { color: #2563eb !important; }

.flatpickr-day.flatpickr-disabled, .flatpickr-day.disabled, .flatpickr-day.prevMonthDay, .flatpickr-day.nextMonthDay {
    background: transparent !important; cursor: not-allowed !important; opacity: 0.2 !important; 
    box-shadow: none !important; border: none !important; transform: none !important;
}

/* =========================================
   CỤM CHỌN THÁNG 
========================================= */
.flatpickr-calendar.flatpickr-monthSelect-theme-light { width: 200px !important; padding: 6px !important; }
.flatpickr-calendar.flatpickr-monthSelect-theme-light .flatpickr-months { padding: 4px 0 8px 0 !important; }
.flatpickr-calendar.flatpickr-monthSelect-theme-light .flatpickr-month { height: 28px !important; }
.flatpickr-calendar.flatpickr-monthSelect-theme-light .flatpickr-current-month { font-size: 15px !important; gap: 4px !important; }
.flatpickr-calendar.flatpickr-monthSelect-theme-light .flatpickr-prev-month, 
.flatpickr-calendar.flatpickr-monthSelect-theme-light .flatpickr-next-month { width: 26px !important; height: 26px !important; top: 6px !important; }
.flatpickr-calendar.flatpickr-monthSelect-theme-light .numInputWrapper { width: 7ch !important; }
.flatpickr-calendar.flatpickr-monthSelect-theme-light .numInputWrapper input { font-size: 16px !important; padding-right: 10px !important; }

.flatpickr-monthSelect-months { display: flex; flex-wrap: wrap; justify-content: center; align-content: flex-start; gap: 4px !important; padding: 8px 4px !important; }
.flatpickr-monthSelect-theme-light .flatpickr-monthSelect-month {
    width: 29% !important; padding: 12px 0 !important; margin: 1% !important;
    border-radius: 12px !important; font-size: 14px !important; font-weight: 800 !important;
    background: #f8fafc; border: 1px solid transparent; transition: all 0.2s;
}
.flatpickr-monthSelect-theme-light .flatpickr-monthSelect-month:hover { background: #eff6ff; color: #3f73c6; transform: translateY(-2px); box-shadow: 0 6px 14px rgba(63, 115, 198, 0.15); }
.flatpickr-monthSelect-theme-light .flatpickr-monthSelect-month.selected { 
    background: linear-gradient(135deg, #60a5fa 0%, #3f73c6 100%) !important; color: #fff !important; 
    box-shadow: 0 6px 15px rgba(63, 115, 198, 0.4) !important; border: none !important; transform: scale(1.05);
}
.flatpickr-monthSelect-theme-light .flatpickr-monthSelect-month.flatpickr-disabled { opacity: 0.2 !important; }