/*
 * Livestock Management System - Redesigned Stylesheet
 */

/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-bg: #f0f2f5;
    --color-surface: #ffffff;
    --color-border: #e4e7ec;
    --color-text-primary: #111827;
    --color-text-secondary: #6b7280;
    --color-text-muted: #9ca3af;

    /* Brand */
    --color-blue:   #3b82f6;
    --color-blue-light: #eff6ff;
    --color-blue-dark: #1d4ed8;

    --color-green:  #10b981;
    --color-green-light: #ecfdf5;
    --color-green-dark: #065f46;

    --color-orange: #f59e0b;
    --color-orange-light: #fffbeb;
    --color-orange-dark: #92400e;

    --color-purple: #8b5cf6;
    --color-purple-light: #f5f3ff;
    --color-purple-dark: #4c1d95;

    --color-pink:   #ec4899;
    --color-pink-light: #fdf2f8;
    --color-pink-dark: #831843;

    --color-red:    #ef4444;
    --color-red-light: #fef2f2;
    --color-red-dark: #991b1b;

    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans KR', 'Roboto', sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    line-height: 1.6;
    font-size: 14px;
}

a {
    color: inherit;
    text-decoration: none;
}

/* ===== Layout ===== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Header ===== */
.header {
    background: linear-gradient(135deg, #1e3a8a 0%, #3730a3 100%);
    color: white;
    padding: 0;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0;
    padding-bottom: 0;
    height: 64px;
}

.header h1 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    white-space: nowrap;
}

.header nav {
    display: flex;
    gap: 0.25rem;
    margin: 0;
}

.header nav a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    transition: background-color 0.15s, color 0.15s;
}

.header nav a:hover {
    background-color: rgba(255,255,255,0.12);
    color: white;
}

.header nav a.active {
    background-color: rgba(255,255,255,0.2);
    color: white;
    font-weight: 600;
}

/* ===== Main ===== */
.main-content {
    padding: 2rem 0 4rem;
}

/* ===== Page Header ===== */
.page-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 1.75rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.page-subtitle {
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.page-date {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.125rem;
}

.date-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    font-weight: 600;
}

.date-value {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* ===== Stats Grid ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2.5rem;
}

@media (max-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .stats-grid { grid-template-columns: 1fr; }
}

/* ===== Stat Card ===== */
.stat-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    border: 1px solid var(--color-border);
    transition: box-shadow 0.2s, transform 0.2s;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* 클릭 가능한 stat-card (링크) */
a.stat-card--link {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

a.stat-card--link:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

a.stat-card--link .stat-card__footer {
    color: var(--color-blue);
    font-weight: 600;
}

/* 클릭 가능한 테이블 행 hover */
.clickable-table tbody tr:hover td {
    background-color: #eff6ff;
}

.stat-card--green::before { background: var(--color-green); }
.stat-card--blue::before  { background: var(--color-blue); }
.stat-card--orange::before{ background: var(--color-orange); }
.stat-card--purple::before{ background: var(--color-purple); }

.stat-card__icon {
    font-size: 2rem;
    line-height: 1;
}

.stat-card__body {
    flex: 1;
}

.stat-card__label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.375rem;
}

.stat-card__value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-text-primary);
    line-height: 1;
    letter-spacing: -0.04em;
}

.stat-card__unit {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-left: 0.25rem;
    letter-spacing: 0;
}

.stat-card__footer {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border);
    padding-top: 0.75rem;
    margin-top: auto;
}

/* Color accents for stat values */
.stat-card--green .stat-card__value { color: var(--color-green-dark); }
.stat-card--blue  .stat-card__value { color: var(--color-blue-dark); }
.stat-card--orange .stat-card__value{ color: var(--color-orange-dark); }
.stat-card--purple .stat-card__value{ color: var(--color-purple-dark); }

/* ===== Section Header ===== */
.section-header {
    margin-bottom: 1.25rem;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-top: 0.25rem;
}

/* ===== Events Grid ===== */
.events-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    align-items: start;
}

@media (max-width: 1100px) {
    .events-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .events-grid { grid-template-columns: 1fr; }
}

/* ===== Event Card ===== */
.event-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.2s;
    /* 카드 전체 높이 고정 — overflow는 body에서만 처리 */
    height: 320px;
    /* overflow: hidden 제거 — 이게 자식 스크롤을 막았던 원인 */
    border-radius: var(--radius-lg);
}

.event-card:hover {
    box-shadow: var(--shadow-md);
}

/* Card header bar */
.event-card__header {
    flex: 0 0 auto;  /* 헤더: 내용만큼만, 절대 늘어나지 않음 */
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid transparent;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    overflow: hidden;
}

.event-card__header-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.event-card__icon {
    font-size: 1.25rem;
    line-height: 1;
}

.event-card__title {
    font-size: 0.9375rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.event-card__count {
    font-size: 0.8125rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
}

/* Card body — 스크롤 핵심 3줄
   flex: 1 1 0  → 남은 공간 채우되, 0부터 시작(기본 auto 아님)
   overflow-y: auto → 넘치면 스크롤
   min-height: 0  → flex item이 부모를 벗어나지 않도록 */
.event-card__body {
    flex: 1 1 0;
    min-height: 0;
    padding: 0.5rem 0;
}

.event-card__body--scroll {
    flex: 1 1 0;
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 0.5rem 0;
}
.event-card__body--scroll::-webkit-scrollbar {
    width: 4px;
}
.event-card__body--scroll::-webkit-scrollbar-track {
    background: transparent;
}
.event-card__body--scroll::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 999px;
}
.event-card__body--scroll::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
}

/* 헤더 링크 스타일 */
.event-card__header--link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-decoration: none;
    color: inherit;   /* 부모 색상 그대로 상속 */
    cursor: pointer;
    transition: filter 0.15s;
}
.event-card__header--link:hover {
    filter: brightness(0.94);
    text-decoration: none;
}

/* Card footer note */
.event-card__note {
    flex-shrink: 0;  /* 푸터 높이 고정 */
    font-size: 0.75rem;
    padding: 0.625rem 1.25rem;
    border-top: 1px solid;
    font-weight: 500;
}

/* ---- Blue ---- */
.event-card--blue .event-card__header {
    background: var(--color-blue-light);
    border-bottom-color: #bfdbfe;
}
.event-card--blue .event-card__title { color: var(--color-blue-dark); }
.event-card--blue .event-card__count {
    background: var(--color-blue);
    color: white;
}
.event-card--blue .event-card__note {
    background: var(--color-blue-light);
    border-top-color: #bfdbfe;
    color: var(--color-blue-dark);
}

/* ---- Pink ---- */
.event-card--pink .event-card__header {
    background: var(--color-pink-light);
    border-bottom-color: #fbcfe8;
}
.event-card--pink .event-card__title { color: var(--color-pink-dark); }
.event-card--pink .event-card__count {
    background: var(--color-pink);
    color: white;
}
.event-card--pink .event-card__note {
    background: var(--color-pink-light);
    border-top-color: #fbcfe8;
    color: var(--color-pink-dark);
}

/* ---- Purple ---- */
.event-card--purple .event-card__header {
    background: var(--color-purple-light);
    border-bottom-color: #ddd6fe;
}
.event-card--purple .event-card__title { color: var(--color-purple-dark); }
.event-card--purple .event-card__count {
    background: var(--color-purple);
    color: white;
}
.event-card--purple .event-card__note {
    background: var(--color-purple-light);
    border-top-color: #ddd6fe;
    color: var(--color-purple-dark);
}

/* ---- Green ---- */
.event-card--green .event-card__header {
    background: var(--color-green-light);
    border-bottom-color: #a7f3d0;
}
.event-card--green .event-card__title { color: var(--color-green-dark); }
.event-card--green .event-card__count {
    background: var(--color-green);
    color: white;
}
.event-card--green .event-card__note {
    background: var(--color-green-light);
    border-top-color: #a7f3d0;
    color: var(--color-green-dark);
}

/* ---- Red (urgent) ---- */
.event-card--red .event-card__header {
    background: var(--color-red-light);
    border-bottom-color: #fecaca;
}
.event-card--red .event-card__title { color: var(--color-red-dark); }
.event-card--red .event-card__count {
    background: var(--color-red);
    color: white;
}
.event-card--red .event-card__note {
    background: var(--color-red-light);
    border-top-color: #fecaca;
    color: var(--color-red-dark);
}

/* Urgent pulsing border */
.event-card--urgent {
    border-color: #fca5a5;
    box-shadow: 0 0 0 1px #fca5a5, var(--shadow-sm);
}

/* ===== Urgent badge ===== */
.urgent-badge {
    background: var(--color-red);
    color: white;
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 0.125rem 0.5rem;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* ===== Event Item (cattle detail note row) ===== */
.event-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.25rem;
    gap: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

.event-item:last-child {
    border-bottom: none;
}

/* 비활성 특이사항 행 */
.note-inactive {
    background: #fafafa;
    opacity: 0.65;
}
.note-inactive:hover {
    opacity: 0.85;
}

/* ===== Event Row ===== */
.event-row {
    display: flex;
    align-items: center;
    padding: 0.625rem 1.25rem;
    gap: 0.75rem;
    border-bottom: 1px solid var(--color-border);
    transition: background-color 0.15s;
}

.event-row:last-child {
    border-bottom: none;
}

.event-row:hover {
    background-color: #f9fafb;
}

.event-row__id {
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--color-blue);
    white-space: nowrap;
    text-decoration: none;
    min-width: 80px;
    transition: color 0.15s;
}

.event-row__id:hover {
    color: var(--color-blue-dark);
    text-decoration: underline;
}

.event-row__msg {
    flex: 1;
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ===== Priority Badge ===== */
.priority {
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    white-space: nowrap;
    flex-shrink: 0;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.priority--normal {
    background: #dbeafe;
    color: var(--color-blue-dark);
}

.priority--high {
    background: #fed7aa;
    color: #9a3412;
}

.priority--urgent {
    background: #fecaca;
    color: var(--color-red-dark);
}

.priority--critical {
    background: var(--color-red);
    color: white;
}

/* ===== Empty State ===== */
.event-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    color: var(--color-text-muted);
    gap: 0.5rem;
}

.event-empty__icon {
    font-size: 1.75rem;
}

.event-empty p {
    font-size: 0.875rem;
}

/* ===== Generic Card ===== */
.card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    margin-bottom: 1.5rem;
}

.card-header {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--color-border);
    color: var(--color-text-primary);
}

/* ===== Table ===== */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

thead {
    background-color: #f9fafb;
}

th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 600;
    color: #374151;
    border-bottom: 2px solid var(--color-border);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-primary);
}

tr:hover td {
    background-color: #f9fafb;
}

/* ===== Buttons ===== */
.btn {
    padding: 0.5rem 1.125rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    border: none;
    transition: all 0.15s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.btn-primary {
    background-color: var(--color-blue);
    color: white;
}
.btn-primary:hover { background-color: var(--color-blue-dark); }

.btn-secondary {
    background-color: #f3f4f6;
    color: #374151;
    border: 1px solid var(--color-border);
}
.btn-secondary:hover { background-color: #e5e7eb; }

.btn-success {
    background-color: var(--color-green);
    color: white;
}
.btn-success:hover { background-color: #059669; }

.btn-danger {
    background-color: var(--color-red);
    color: white;
}
.btn-danger:hover { background-color: #dc2626; }

/* ===== Badge ===== */
.badge {
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 600;
    display: inline-block;
}

.badge-success { background: #d1fae5; color: var(--color-green-dark); }
.badge-warning { background: #fef3c7; color: var(--color-orange-dark); }
.badge-danger  { background: #fee2e2; color: var(--color-red-dark); }
.badge-info    { background: #dbeafe; color: var(--color-blue-dark); }

/* ===== Form ===== */
.form-group { margin-bottom: 1rem; }

.form-label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 600;
    font-size: 0.875rem;
    color: #374151;
}

.form-input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    color: var(--color-text-primary);
    background: white;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

/* ===== Alert ===== */
.alert {
    padding: 0.875rem 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.alert-info    { background: #dbeafe; color: var(--color-blue-dark);   border-left: 4px solid var(--color-blue); }
.alert-success { background: #d1fae5; color: var(--color-green-dark);  border-left: 4px solid var(--color-green); }
.alert-warning { background: #fef3c7; color: var(--color-orange-dark); border-left: 4px solid var(--color-orange); }
.alert-danger  { background: #fee2e2; color: var(--color-red-dark);    border-left: 4px solid var(--color-red); }

/* ===== Empty State ===== */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--color-text-muted);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* ===== Footer ===== */
footer {
    text-align: center;
    padding: 2rem 0;
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
    margin-top: 2rem;
}

/* ===== Utility ===== */
.text-center  { text-align: center; }
.text-right   { text-align: right; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }