/* ===== Reset & Variables ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #5B6CFF;
    --primary-light: #E8EAFF;
    --primary-dark: #4A5AE8;
    --success: #10B981;
    --success-light: #D1FAE5;
    --danger: #EF4444;
    --danger-light: #FEE2E2;
    --warning: #F59E0B;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --white: #FFFFFF;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', sans-serif;
    background: var(--gray-100);
    color: var(--gray-800);
    line-height: 1.5;
    min-height: 100vh;
}

/* ===== App Container ===== */
.app {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* ===== Header ===== */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    margin-bottom: 20px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), #8B5CF6);
    color: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
}

.header h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--gray-800);
}

.header-right {
    display: flex;
    gap: 8px;
}

.icon-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--gray-200);
    background: var(--white);
    border-radius: var(--radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all 0.2s;
}

.icon-btn:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

/* ===== Main Tabs ===== */
.main-tabs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.main-tab {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 24px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.main-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.main-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.tab-icon {
    font-size: 18px;
}

.badge {
    position: absolute;
    top: -6px;
    right: -6px;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background: var(--danger);
    color: white;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ===== Tab Content ===== */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ===== Content Header ===== */
.content-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.back-btn {
    width: 36px;
    height: 36px;
    border: 1px solid var(--gray-200);
    background: var(--white);
    border-radius: var(--radius);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-tag {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 24px;
    font-size: 14px;
    font-weight: 500;
}

.service-tag .dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
}

.service-tag .link-icon {
    opacity: 0.5;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s;
}

.action-btn:hover {
    background: var(--gray-50);
}

/* ===== Main Content (2 Column) ===== */
.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

/* ===== Calendar Section ===== */
.calendar-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 24px;
    box-shadow: var(--shadow);
}

.calendar-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.nav-btn {
    width: 36px;
    height: 36px;
    border: 1px solid var(--gray-200);
    background: var(--white);
    border-radius: var(--radius);
    font-size: 20px;
    color: var(--gray-500);
    cursor: pointer;
    transition: all 0.2s;
}

.nav-btn:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

.date-selectors {
    display: flex;
    gap: 8px;
}

.date-select {
    padding: 8px 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-700);
    background: var(--white);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M3 4.5L6 7.5L9 4.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 28px;
}

/* ===== Calendar Grid ===== */
.calendar-grid {
    margin-bottom: 20px;
}

.weekday-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--gray-100);
    margin-bottom: 8px;
}

.weekday-header span {
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-500);
}

.weekday-header .sunday {
    color: var(--danger);
}

.weekday-header .saturday {
    color: var(--primary);
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px 4px;
}

.calendar-day {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8px 4px;
    min-height: 70px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    position: relative;
}

.calendar-day:hover:not(.empty):not(.disabled):not(.non-operating) {
    opacity: 0.8;
}

.calendar-day.empty {
    cursor: default;
}

.calendar-day.disabled .day-number {
    color: var(--gray-300);
    background: none;
}

.calendar-day.disabled .day-status {
    display: none;
}

.calendar-day.disabled {
    cursor: not-allowed;
}

/* 비운영 요일 (일/토) - 숫자만 회색, 동그라미 없음 */
.calendar-day.non-operating .day-number {
    background: none !important;
    color: var(--gray-300);
    width: auto;
    height: auto;
}

.calendar-day.non-operating .day-status {
    display: none;
}

.calendar-day.non-operating:hover .day-number {
    color: var(--gray-400);
}

/* 운영일 - 동그라미 스타일 */
.day-number {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin-bottom: 4px;
}

/* 운영일 기본 (마감 상태) */
.calendar-day.operating .day-number {
    background: var(--gray-100);
    color: var(--gray-700);
}

/* 예약 가능한 날 */
.calendar-day.has-available .day-number {
    background: var(--gray-100);
    color: var(--gray-700);
}

/* 오늘 날짜 */
.calendar-day.today .day-number {
    background: var(--primary);
    color: var(--white);
}

/* 선택된 날짜 */
.calendar-day.selected .day-number {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(91, 108, 255, 0.4);
}

/* 상태 라벨 */
.day-status {
    font-size: 11px;
    font-weight: 500;
    height: 14px;
}

.day-status.available {
    color: var(--success);
}

.day-status.closed {
    color: var(--gray-400);
}

/* ===== Calendar Legend ===== */
.calendar-legend {
    display: flex;
    justify-content: center;
    gap: 24px;
    padding: 16px 0;
    margin-top: 8px;
    border-top: 1px solid var(--gray-100);
}

.calendar-legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--gray-500);
}

.legend-circle {
    width: 24px;
    height: 24px;
    background: var(--gray-100);
    border-radius: 50%;
}

.legend-label {
    font-weight: 500;
}

.legend-label.available {
    color: var(--success);
}

.legend-label.closed {
    color: var(--gray-400);
}

.legend-text {
    font-size: 14px;
    font-weight: 500;
}

.legend-text.gray {
    color: var(--gray-300);
}

/* ===== Calendar Footer ===== */
.calendar-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid var(--gray-100);
}

.selected-info {
    font-size: 14px;
    color: var(--gray-600);
}

.selected-info strong {
    color: var(--primary);
    font-weight: 600;
}

.today-btn {
    padding: 8px 16px;
    border: 1px solid var(--gray-200);
    background: var(--white);
    border-radius: var(--radius);
    font-size: 13px;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s;
}

.today-btn:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

/* ===== Time Section ===== */
.time-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 24px;
    box-shadow: var(--shadow);
}

.time-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.time-header h2 {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-800);
}

.selected-date-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
}

.header-actions {
    display: flex;
    gap: 8px;
    margin-left: auto;
}

.status-btn {
    padding: 6px 14px;
    border: 1px solid var(--gray-200);
    background: var(--white);
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s;
}

.status-btn:hover {
    background: var(--gray-50);
}

.status-btn.danger {
    border-color: var(--danger);
    color: var(--danger);
}

.status-btn.danger:hover {
    background: var(--danger-light);
}

/* ===== Time Options ===== */
.time-options {
    margin-bottom: 16px;
}

.checkbox-option {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s;
}

.checkbox-option:hover {
    background: var(--gray-50);
}

.checkbox-option input {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

/* ===== Time Settings ===== */
.time-settings {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--gray-100);
}

.setting-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.setting-row > label {
    font-size: 14px;
    color: var(--gray-600);
    white-space: nowrap;
}

.setting-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.setting-item label {
    font-size: 14px;
    color: var(--gray-600);
    white-space: nowrap;
}

.setting-item input,
.setting-item select {
    padding: 8px 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    width: 90px;
}

.duration-buttons {
    display: flex;
    gap: 6px;
}

.duration-btn {
    padding: 8px 14px;
    border: 1px solid var(--gray-200);
    background: var(--white);
    border-radius: var(--radius);
    font-size: 13px;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s;
}

.duration-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.duration-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

.apply-btn {
    padding: 8px 16px;
    border: 1px solid var(--gray-200);
    background: var(--white);
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s;
}

.apply-btn:hover {
    background: var(--gray-50);
}

.apply-btn.primary {
    background: var(--success);
    border-color: var(--success);
    color: var(--white);
}

.apply-btn.primary:hover {
    background: #059669;
}

/* ===== Time Blocks ===== */
.time-blocks-container {
    margin-bottom: 20px;
}

.time-blocks {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
}

.time-block {
    padding: 14px 8px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid transparent;
}

.time-block.available {
    background: var(--white);
    border-color: var(--primary);
    color: var(--primary);
}

.time-block.available:hover {
    background: var(--primary-light);
}

.time-block.unavailable {
    background: var(--gray-100);
    border-color: var(--gray-200);
    color: var(--gray-400);
}

.time-block.unavailable:hover {
    border-color: var(--gray-300);
}

.time-block.booked {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
    cursor: not-allowed;
    position: relative;
}

.time-block.booked::after {
    content: '예약';
    position: absolute;
    top: 2px;
    right: 4px;
    font-size: 9px;
    background: var(--primary);
    color: white;
    padding: 1px 4px;
    border-radius: 4px;
}

/* 드래그 선택 중 스타일 */
.time-block.drag-selected {
    background: var(--primary-light) !important;
    border-color: var(--primary) !important;
    color: var(--primary) !important;
    box-shadow: 0 0 0 2px rgba(91, 108, 255, 0.3);
    transform: scale(0.97);
}

/* 드래그 중 커서 스타일 */
.time-blocks.dragging {
    cursor: grabbing;
}

.time-block {
    user-select: none;
    -webkit-user-select: none;
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px;
    color: var(--gray-400);
    font-size: 14px;
}

/* ===== Legend ===== */
.legend {
    display: flex;
    gap: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-100);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--gray-500);
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 4px;
}

.legend-dot.available {
    border: 2px solid var(--primary);
    background: var(--white);
}

.legend-dot.unavailable {
    background: var(--gray-200);
}

.legend-dot.booked {
    background: var(--primary-light);
    border: 2px solid var(--primary);
}

/* ===== Reservation Content ===== */
.reservation-content,
.link-content,
.settings-content {
    max-width: 800px;
    margin: 0 auto;
}

.reservation-card,
.link-card,
.settings-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 24px;
    box-shadow: var(--shadow);
}

.reservation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.reservation-header h2,
.link-card h2,
.settings-card h2 {
    font-size: 18px;
    font-weight: 600;
}

.filter-group {
    display: flex;
    gap: 8px;
}

.filter-btn {
    padding: 8px 16px;
    border: 1px solid var(--gray-200);
    background: var(--white);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s;
}

.filter-btn:hover {
    background: var(--gray-50);
}

.filter-btn.active {
    background: var(--gray-800);
    border-color: var(--gray-800);
    color: var(--white);
}

.search-bar {
    margin-bottom: 20px;
}

.search-bar input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
}

.search-bar input:focus {
    outline: none;
    border-color: var(--primary);
}

/* ===== Reservation List ===== */
.reservation-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.reservation-item {
    padding: 20px;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--warning);
}

.reservation-item.confirmed {
    border-left-color: var(--success);
}

.reservation-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.reservation-name {
    font-size: 16px;
    font-weight: 600;
}

.reservation-status {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.reservation-status.pending {
    background: #FEF3C7;
    color: #92400E;
}

.reservation-status.confirmed {
    background: var(--success-light);
    color: #065F46;
}

.reservation-info {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
    font-size: 14px;
    color: var(--gray-600);
    margin-bottom: 12px;
}

.reservation-schedules {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
}

.schedule-chip {
    display: inline-block;
    padding: 4px 10px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.reservation-actions {
    display: flex;
    gap: 8px;
}

.confirm-btn {
    padding: 8px 20px;
    background: var(--primary);
    border: none;
    border-radius: var(--radius);
    color: white;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.confirm-btn:hover {
    background: var(--primary-dark);
}

.email-btn {
    padding: 8px 20px;
    background: #16a34a;
    border: none;
    border-radius: var(--radius);
    color: white;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.email-btn:hover {
    background: #15803d;
}

.email-btn.email-sent {
    background: #9ca3af;
    cursor: default;
}

.email-btn.email-failed {
    background: #dc2626;
}

/* ===== Link Settings ===== */
.link-card .description {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 24px;
}

.link-settings {
    margin-bottom: 24px;
}

.input-group {
    margin-bottom: 16px;
}

.input-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.date-range {
    display: flex;
    align-items: center;
    gap: 12px;
}

.date-range input {
    flex: 1;
    padding: 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
}

.date-range span {
    color: var(--gray-400);
}

.generate-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px;
    background: var(--primary);
    border: none;
    border-radius: var(--radius);
    color: white;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.generate-btn:hover {
    background: var(--primary-dark);
}

.url-result {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.url-result input {
    flex: 1;
    padding: 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    background: var(--gray-50);
}

.copy-btn {
    padding: 12px 20px;
    background: var(--gray-800);
    border: none;
    border-radius: var(--radius);
    color: white;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
}

/* ===== Settings ===== */
.weekday-setting {
    margin-bottom: 24px;
}

.weekday-setting > label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 12px;
}

.weekday-buttons {
    display: flex;
    gap: 8px;
}

.weekday-btn {
    width: 44px;
    height: 44px;
    border: 1px solid var(--gray-200);
    background: var(--white);
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s;
}

.weekday-btn:hover {
    border-color: var(--primary);
}

.weekday-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.time-setting {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.time-setting input {
    padding: 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
}

.save-btn {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    border: none;
    border-radius: var(--radius);
    color: white;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.save-btn:hover {
    background: var(--primary-dark);
}

/* ===== Toast ===== */
#toastContainer {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 14px 24px;
    background: var(--gray-800);
    color: white;
    border-radius: var(--radius);
    font-size: 14px;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Reservation Detail Modal ===== */
.detail-modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 900;
    justify-content: center;
    align-items: flex-start;
    padding: 40px 16px;
    overflow-y: auto;
}

.detail-modal-overlay.active {
    display: flex;
}

.detail-modal {
    background: var(--white);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 560px;
    box-shadow: var(--shadow-lg);
    animation: modalSlideUp 0.25s ease;
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.detail-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
}

.detail-modal-header h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-800);
}

.detail-modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--gray-100);
    border-radius: 50%;
    font-size: 20px;
    color: var(--gray-500);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.detail-modal-close:hover {
    background: var(--gray-200);
}

.detail-modal-body {
    padding: 8px 24px 24px;
    max-height: 70vh;
    overflow-y: auto;
}

.detail-section {
    padding: 16px 0;
    border-bottom: 1px solid var(--gray-100);
}

.detail-section:last-child {
    border-bottom: none;
}

.detail-section-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.detail-row {
    display: flex;
    align-items: flex-start;
    padding: 6px 0;
    gap: 12px;
}

.detail-label {
    flex-shrink: 0;
    width: 100px;
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-500);
    padding-top: 2px;
}

.detail-value {
    flex: 1;
    font-size: 14px;
    color: var(--gray-800);
    word-break: break-all;
}

.detail-chip {
    display: inline-block;
    padding: 3px 10px;
    background: var(--gray-100);
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    color: var(--gray-700);
    margin: 2px 4px 2px 0;
}

.detail-schedule-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detail-schedule-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
}

.detail-status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.detail-status-badge.pending {
    background: #FEF3C7;
    color: #92400E;
}

.detail-status-badge.confirmed {
    background: var(--success-light);
    color: #065F46;
}

.detail-modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--gray-100);
}

.detail-modal-footer:empty {
    display: none;
}

.detail-confirm-btn {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    border: none;
    border-radius: var(--radius);
    color: white;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.detail-confirm-btn:hover {
    background: var(--primary-dark);
}

/* Clickable reservation item */
.reservation-item.clickable {
    cursor: pointer;
    transition: box-shadow 0.2s, transform 0.15s;
}

.reservation-item.clickable:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

/* ===== Detail Modal Footer Buttons ===== */
.detail-footer-buttons {
    display: flex;
    gap: 8px;
}

.detail-edit-btn {
    flex: 1;
    padding: 14px;
    background: var(--white);
    border: 1px solid var(--primary);
    border-radius: var(--radius);
    color: var(--primary);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.detail-edit-btn:hover {
    background: var(--primary-light);
}

.detail-delete-btn {
    flex: 1;
    padding: 14px;
    background: var(--white);
    border: 1px solid var(--danger);
    border-radius: var(--radius);
    color: var(--danger);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.detail-delete-btn:hover {
    background: var(--danger-light);
}

.detail-footer-buttons .detail-confirm-btn {
    flex: 1;
}

.detail-email-btn {
    flex: 1;
    padding: 14px;
    background: #16a34a;
    border: none;
    border-radius: var(--radius);
    color: white;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.detail-email-btn:hover {
    background: #15803d;
}

.detail-email-btn.email-sent {
    background: #9ca3af;
    cursor: default;
}

.detail-email-btn.email-failed {
    background: #dc2626;
}

/* ===== Edit Schedule Modal ===== */
.edit-schedule-modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 950;
    justify-content: center;
    align-items: flex-start;
    padding: 40px 16px;
    overflow-y: auto;
}

.edit-schedule-modal-overlay.active {
    display: flex;
}

.edit-schedule-modal {
    background: var(--white);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 500px;
    box-shadow: var(--shadow-lg);
    animation: modalSlideUp 0.25s ease;
}

.edit-schedule-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
}

.edit-schedule-modal-header h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-800);
}

.edit-schedule-modal-body {
    padding: 20px 24px;
}

.edit-schedule-desc {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 16px;
}

.edit-schedule-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.edit-schedule-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: var(--gray-50);
    border-radius: var(--radius);
}

.edit-schedule-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    white-space: nowrap;
    min-width: 48px;
}

.edit-date-input {
    padding: 8px 10px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    flex: 1;
    min-width: 0;
}

.edit-date-input:focus {
    outline: none;
    border-color: var(--primary);
}

.edit-time-select {
    padding: 8px 10px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    min-width: 90px;
    background: var(--white);
}

.edit-time-select:focus {
    outline: none;
    border-color: var(--primary);
}

.edit-schedule-modal-footer {
    display: flex;
    gap: 8px;
    padding: 16px 24px;
    border-top: 1px solid var(--gray-100);
}

.edit-cancel-btn {
    flex: 1;
    padding: 12px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    color: var(--gray-600);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.edit-cancel-btn:hover {
    background: var(--gray-50);
}

.edit-save-btn {
    flex: 1;
    padding: 12px;
    background: var(--primary);
    border: none;
    border-radius: var(--radius);
    color: white;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.edit-save-btn:hover {
    background: var(--primary-dark);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
    }

    .time-blocks {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .app {
        padding: 12px;
    }

    .main-tabs {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .main-tab {
        padding: 12px 16px;
        font-size: 13px;
    }

    .content-header {
        flex-wrap: wrap;
    }

    .service-tag {
        order: 10;
        width: 100%;
        margin-top: 8px;
    }

    .calendar-card,
    .time-card {
        padding: 16px;
    }

    .time-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .header-actions {
        margin-left: 0;
        width: 100%;
    }

    .setting-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .duration-buttons {
        flex-wrap: wrap;
    }

    .time-blocks {
        grid-template-columns: repeat(3, 1fr);
    }

    .reservation-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .detail-modal-overlay {
        padding: 20px 8px;
    }

    .detail-modal-body {
        padding: 8px 16px 16px;
    }

    .detail-modal-header {
        padding: 16px;
    }

    .detail-row {
        flex-direction: column;
        gap: 2px;
    }

    .detail-label {
        width: auto;
    }

    .detail-footer-buttons {
        flex-direction: column;
    }

    .edit-schedule-modal-overlay {
        padding: 20px 8px;
    }

    .edit-schedule-row {
        flex-wrap: wrap;
    }

    .edit-date-input {
        flex: 1 1 100%;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 18px;
    }

    .main-tabs {
        grid-template-columns: 1fr 1fr;
    }

    .tab-icon {
        display: none;
    }

    .calendar-nav {
        flex-wrap: wrap;
        gap: 8px;
    }

    .date-selectors {
        order: -1;
        width: 100%;
        justify-content: center;
    }

    .time-blocks {
        grid-template-columns: repeat(2, 1fr);
    }

    .weekday-buttons {
        flex-wrap: wrap;
    }

    .time-setting {
        grid-template-columns: 1fr;
    }
}