/* FC PIR - 모던 UI (VAATBOT 템플릿 영감) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ===== CSS 변수 ===== */
:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --accent: #7c3aed;
    --gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --success: #10b981;
    --success-dark: #059669;
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --warning: #f59e0b;
    --info: #3b82f6;
    --text-dark: #111827;
    --text-mid: #374151;
    --text-light: #6b7280;
    --text-muted: #9ca3af;
    --bg: #f9fafb;
    --bg-white: #ffffff;
    --border: #e5e7eb;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(79,70,229,0.12);
    --r-sm: 8px;
    --r-md: 12px;
    --r-lg: 16px;
}

/* ===== 리셋 & 기본 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

/* ===== 컨테이너 ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== NAVBAR ===== */
.navbar {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
    position: relative;
}

.navbar-brand {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: -0.02em;
    flex-shrink: 0;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 2px;
}

.navbar-menu a {
    color: var(--text-mid);
    text-decoration: none;
    padding: 7px 14px;
    border-radius: var(--r-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
    white-space: nowrap;
}

.navbar-menu a:hover {
    background: #f3f4f6;
    color: var(--primary);
}

/* 햄버거 버튼 */
.navbar-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--r-sm);
    gap: 5px;
    flex-shrink: 0;
}

.navbar-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: all 0.28s cubic-bezier(0.4,0,0.2,1);
    transform-origin: center;
}

.navbar-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.navbar-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== 메인 ===== */
main { padding: 30px 0; min-height: calc(100vh - 200px); }

/* ===== 페이지 타이틀 ===== */
.page-title {
    text-align: center;
    margin-bottom: 36px;
}

.page-title h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-dark);
    letter-spacing: -0.03em;
    margin-bottom: 8px;
}

.page-title p {
    color: var(--text-light);
    font-size: 1rem;
}

/* ===== 카드 ===== */
.card {
    background: var(--bg-white);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    padding: 28px;
    margin-bottom: 24px;
}

.card-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-dark);
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary);
}

/* ===== 버튼 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--r-sm);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: inherit;
    text-decoration: none;
    transition: all 0.2s;
    letter-spacing: -0.01em;
    white-space: nowrap;
    line-height: 1;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 2px 8px rgba(79,70,229,0.3);
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(79,70,229,0.4);
    color: white;
}

.btn-secondary {
    background: #f3f4f6;
    color: var(--text-mid);
}
.btn-secondary:hover { background: #e5e7eb; }

.btn-success {
    background: var(--success);
    color: white;
    box-shadow: 0 2px 8px rgba(16,185,129,0.3);
}
.btn-success:hover {
    background: var(--success-dark);
    transform: translateY(-1px);
    color: white;
}

.btn-danger {
    background: var(--danger);
    color: white;
    box-shadow: 0 2px 6px rgba(239,68,68,0.25);
}
.btn-danger:hover {
    background: var(--danger-dark);
    transform: translateY(-1px);
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary);
}
.btn-outline:hover { background: #eef2ff; }

.btn-block { display: flex; width: 100%; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none !important; }

/* ===== 폼 ===== */
.form-group { margin-bottom: 20px; }

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-mid);
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--r-sm);
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--text-dark);
    background: var(--bg-white);
    transition: all 0.2s;
    outline: none;
}
.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79,70,229,0.1);
}

/* ===== 테이블 ===== */
.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-white);
    font-size: 0.9rem;
}
.table th, .table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.table th {
    background: #f9fafb;
    color: var(--text-mid);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.table tr:hover td { background: #f9fafb; }

/* ===== 알림 ===== */
.alert {
    padding: 14px 18px;
    border-radius: var(--r-sm);
    margin-bottom: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}
.alert-success { background: #d1fae5; color: #065f46; }
.alert-danger   { background: #fee2e2; color: #991b1b; }
.alert-warning  { background: #fef3c7; color: #92400e; }

/* ===== 배지 ===== */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    line-height: 1.5;
}
.badge-success { background: #d1fae5; color: #059669; }
.badge-danger  { background: #fee2e2; color: #dc2626; }
.badge-warning { background: #fef3c7; color: #d97706; }
.badge-info    { background: #dbeafe; color: #2563eb; }

/* ===== 팀 카드 ===== */
.team-container { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 24px 0; }
.team-card { border-radius: var(--r-lg) !important; overflow: hidden; box-shadow: var(--shadow-md) !important; }
.team-header { text-align: center; margin-bottom: 20px; }
.team-header h3 { font-size: 1.8rem; margin-bottom: 8px; }
.team-level { font-size: 1.1rem; color: #666; }
.team-members { list-style: none; }
.team-members li {
    padding: 10px 14px;
    margin-bottom: 8px;
    background: rgba(255,255,255,0.8);
    border-radius: var(--r-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ===== 푸터 ===== */
footer {
    background: var(--text-dark);
    color: #6b7280;
    text-align: center;
    padding: 28px 20px;
    margin-top: 60px;
    font-size: 0.875rem;
}

/* ===== 스피너 ===== */
.spinner {
    border: 3px solid #e5e7eb;
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    width: 36px; height: 36px;
    animation: spin 0.8s linear infinite;
    margin: 20px auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== 유틸리티 ===== */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.p-20  { padding: 20px; }

/* ===== 모바일 반응형 ===== */
@media (max-width: 768px) {
    /* 햄버거 버튼 표시 */
    .navbar-toggle { display: flex; }

    /* 모바일 드롭다운 메뉴 */
    .navbar-menu {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
        flex-direction: column;
        padding: 10px 16px 16px;
        gap: 2px;
    }
    .navbar-menu.open { display: flex; }
    .navbar-menu a {
        padding: 13px 16px;
        width: 100%;
        font-size: 1rem;
        border-radius: var(--r-sm);
    }
    .navbar-menu a:active { background: #eef2ff; color: var(--primary); }

    .team-container { grid-template-columns: 1fr; }
    .page-title h2 { font-size: 1.6rem; }
    .card { padding: 20px 16px; }
}

@media (max-width: 480px) {
    .container { padding: 0 14px; }
    .page-title h2 { font-size: 1.4rem; }
    .btn { padding: 9px 16px; font-size: 0.875rem; }
}