/* ============================================================
   Modern Forms — 폼/버튼 모던 디자인 통합 스타일
   인풋, 셀렉트, 라디오, 체크박스, 버튼, 필터 사이드바
   ============================================================ */

/* --- 공통 변수 --- */
:root {
    --fm-radius: 10px;
    --fm-radius-sm: 8px;
    --fm-radius-lg: 14px;
    --fm-border: #e2e8f0;
    --fm-border-hover: #cbd5e1;
    --fm-bg: #fff;
    --fm-bg-soft: #f8fafc;
    --fm-text: #1e293b;
    --fm-placeholder: #94a3b8;
    --fm-focus-ring: rgba(14, 165, 233, .14);
    --fm-shadow-soft: 0 1px 2px rgba(15, 23, 42, .04);
    --fm-shadow-focus: 0 0 0 4px var(--fm-focus-ring);
    --fm-shadow-hover: 0 4px 14px rgba(15, 23, 42, .08);
}

/* ============================================================
   1. INPUT 류 (text, email, tel, url, password, number, date)
   ============================================================ */
.form-control,
input[type="text"].form-control,
input[type="email"].form-control,
input[type="tel"].form-control,
input[type="url"].form-control,
input[type="password"].form-control,
input[type="number"].form-control,
input[type="search"].form-control,
input[type="date"].form-control,
input[type="datetime-local"].form-control,
textarea.form-control {
    background: var(--fm-bg);
    border: 1.5px solid var(--fm-border);
    border-radius: var(--fm-radius);
    padding: 11px 14px;
    font-size: 14px;
    color: var(--fm-text);
    box-shadow: var(--fm-shadow-soft);
    transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.form-control:hover:not(:disabled):not(:focus) {
    border-color: var(--fm-border-hover);
}
.form-control:focus {
    background: var(--fm-bg);
    border-color: var(--primary, #0ea5e9);
    box-shadow: var(--fm-shadow-focus);
    outline: none;
}
.form-control::placeholder {
    color: var(--fm-placeholder);
    font-weight: 400;
}
.form-control:disabled,
.form-control[readonly] {
    background: var(--fm-bg-soft);
    color: #64748b;
    cursor: not-allowed;
    box-shadow: none;
}

textarea.form-control {
    min-height: 100px;
    line-height: 1.6;
    resize: vertical;
}

/* small / large 변형 */
.form-control-sm {
    padding: 8px 12px;
    font-size: 13px;
    border-radius: var(--fm-radius-sm);
    border-width: 1.25px;
}
.form-control-lg {
    padding: 14px 18px;
    font-size: 16px;
    border-radius: var(--fm-radius-lg);
}

/* ============================================================
   2. SELECT — 커스텀 드롭다운 화살표
   ============================================================ */
.form-select {
    background: var(--fm-bg);
    border: 1.5px solid var(--fm-border);
    border-radius: var(--fm-radius);
    padding: 11px 38px 11px 14px;
    font-size: 14px;
    color: var(--fm-text);
    box-shadow: var(--fm-shadow-soft);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    transition: border-color .18s ease, box-shadow .18s ease;
}
.form-select:hover:not(:disabled):not(:focus) {
    border-color: var(--fm-border-hover);
}
.form-select:focus {
    border-color: var(--primary, #0ea5e9);
    box-shadow: var(--fm-shadow-focus);
    outline: none;
}
.form-select:disabled {
    background-color: var(--fm-bg-soft);
    color: #64748b;
    cursor: not-allowed;
}
.form-select-sm {
    padding: 8px 32px 8px 12px;
    font-size: 13px;
    border-radius: var(--fm-radius-sm);
    background-position: right 10px center;
    background-size: 10px;
}
.form-select-lg {
    padding: 14px 42px 14px 18px;
    font-size: 16px;
    border-radius: var(--fm-radius-lg);
}

/* ============================================================
   3. INPUT GROUP (검색창 등)
   ============================================================ */
.input-group .form-control,
.input-group .form-select {
    box-shadow: none;
}
.input-group .form-control:focus,
.input-group .form-select:focus {
    z-index: 3;
}
.input-group > .btn {
    border-radius: 0 var(--fm-radius) var(--fm-radius) 0;
}
.input-group > .form-control:not(:last-child),
.input-group > .form-select:not(:last-child) {
    border-right: none;
    border-radius: var(--fm-radius) 0 0 var(--fm-radius);
}
.input-group .input-group-text {
    background: var(--fm-bg-soft);
    border: 1.5px solid var(--fm-border);
    border-radius: var(--fm-radius);
    color: #64748b;
    font-size: 13px;
    font-weight: 500;
}

/* ============================================================
   4. RADIO / CHECKBOX (Bootstrap 기본 .form-check-input)
   ============================================================ */
.form-check-input {
    width: 18px;
    height: 18px;
    margin-top: 0.18em;
    background-color: var(--fm-bg);
    border: 1.75px solid #cbd5e1;
    transition: all .15s ease;
    cursor: pointer;
    box-shadow: none;
}
.form-check-input:hover:not(:checked):not(:disabled) {
    border-color: var(--primary, #0ea5e9);
}
.form-check-input:focus {
    border-color: var(--primary, #0ea5e9);
    box-shadow: var(--fm-shadow-focus);
    outline: none;
}
.form-check-input:checked {
    background-color: var(--primary, #0ea5e9);
    border-color: var(--primary, #0ea5e9);
}
.form-check-input[type="radio"]:checked {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3E%3Ccircle r='2.5' fill='%23fff'/%3E%3C/svg%3E");
}
.form-check-input[type="checkbox"]:checked {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='M6 10l3 3l6-6'/%3E%3C/svg%3E");
}
.form-check-label {
    font-size: 14px;
    color: var(--fm-text);
    cursor: pointer;
    padding-left: 4px;
}

/* 토글 스위치 */
.form-switch .form-check-input {
    width: 38px;
    height: 22px;
    border-radius: 22px;
    background-color: #cbd5e1;
    border: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3E%3Ccircle r='3' fill='%23fff'/%3E%3C/svg%3E");
    background-position: left 3px center;
    background-size: 16px;
    transition: background-color .2s ease, background-position .2s ease;
}
.form-switch .form-check-input:checked {
    background-color: var(--primary, #0ea5e9);
    background-position: right 3px center;
}

/* ============================================================
   5. 필터 사이드바 라디오/체크박스 (filter-checkbox)
   각 옵션이 카드형 알약처럼 보이도록
   ============================================================ */
.filter-section { margin-bottom: 22px; }
.filter-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--fm-text);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: .04em;
    display: flex;
    align-items: center;
    gap: 6px;
}
.filter-title::before {
    content: '';
    width: 3px;
    height: 12px;
    background: var(--primary, #0ea5e9);
    border-radius: 2px;
}

/* 필터 라디오/체크 — 알약 카드 스타일 */
.filter-checkbox {
    display: flex !important;
    align-items: center;
    position: relative;
    padding: 9px 12px 9px 36px;
    margin-bottom: 5px;
    background: var(--fm-bg-soft);
    border: 1.5px solid transparent;
    border-radius: var(--fm-radius);
    font-size: 13px;
    color: #475569;
    cursor: pointer;
    transition: all .18s ease;
    user-select: none;
    overflow: hidden;
}
.filter-checkbox:hover {
    background: #eff6ff;
    color: var(--primary, #0ea5e9);
    border-color: rgba(14, 165, 233, .15);
}
.filter-checkbox input[type="radio"],
.filter-checkbox input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
    width: 0;
    height: 0;
}
.filter-checkbox::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid #cbd5e1;
    background: #fff;
    box-sizing: border-box;
    transition: all .18s ease;
}
/* 체크박스 모양은 정사각 + 라운드 */
.filter-checkbox:has(input[type="checkbox"])::before {
    border-radius: 5px;
}
/* 선택됨 */
.filter-checkbox:has(input:checked) {
    background: linear-gradient(135deg, rgba(14,165,233,.12), rgba(14,165,233,.06));
    border-color: var(--primary, #0ea5e9);
    color: var(--primary, #0ea5e9);
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(14,165,233,.12);
}
.filter-checkbox:has(input[type="radio"]:checked)::before {
    border-color: var(--primary, #0ea5e9);
    background: var(--primary, #0ea5e9);
    box-shadow: inset 0 0 0 3px #fff;
}
.filter-checkbox:has(input[type="checkbox"]:checked)::before {
    border-color: var(--primary, #0ea5e9);
    background: var(--primary, #0ea5e9) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='M6 10l3 3l6-6'/%3E%3C/svg%3E") center / 11px no-repeat;
}
.filter-checkbox small {
    margin-left: auto;
    color: #94a3b8;
    font-size: 11px;
    font-weight: 500;
    padding-left: 8px;
    flex-shrink: 0;
}
.filter-checkbox:has(input:checked) small {
    color: var(--primary, #0ea5e9);
    opacity: .85;
}

/* ============================================================
   6. BUTTON — 그라데이션 + 호버 트랜스폼
   ============================================================ */
.btn {
    border-radius: var(--fm-radius);
    font-weight: 600;
    padding: 10px 20px;
    font-size: 14px;
    border: 1.5px solid transparent;
    letter-spacing: -.005em;
    transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
.btn:active {
    transform: translateY(1px) !important;
}

/* primary */
.btn-primary {
    background: linear-gradient(135deg, var(--primary, #0ea5e9), var(--primary-hover, #0284c7));
    border: none;
    color: #fff;
    box-shadow: 0 2px 6px rgba(14, 165, 233, .25);
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(14, 165, 233, .35);
    background: linear-gradient(135deg, var(--primary-hover, #0284c7), var(--primary, #0ea5e9));
    color: #fff;
}

/* outline-primary */
.btn-outline-primary {
    background: #fff;
    border: 1.5px solid var(--primary, #0ea5e9);
    color: var(--primary, #0ea5e9);
}
.btn-outline-primary:hover {
    background: var(--primary, #0ea5e9);
    border-color: var(--primary, #0ea5e9);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(14, 165, 233, .25);
}

/* secondary */
.btn-secondary {
    background: linear-gradient(135deg, #475569, #1e293b);
    border: none;
    color: #fff;
}
.btn-secondary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(71, 85, 105, .25);
    color: #fff;
}
.btn-outline-secondary {
    background: #fff;
    border: 1.5px solid #cbd5e1;
    color: #475569;
}
.btn-outline-secondary:hover {
    background: #f1f5f9;
    border-color: #94a3b8;
    color: #1e293b;
}

/* success / warning / danger */
.btn-success {
    background: linear-gradient(135deg, #10b981, #059669);
    border: none;
    color: #fff;
    box-shadow: 0 2px 6px rgba(16, 185, 129, .25);
}
.btn-success:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(16, 185, 129, .35);
    color: #fff;
}
.btn-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    border: none;
    color: #fff;
    box-shadow: 0 2px 6px rgba(245, 158, 11, .25);
}
.btn-warning:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(245, 158, 11, .35);
    color: #fff;
}
.btn-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    border: none;
    color: #fff;
    box-shadow: 0 2px 6px rgba(239, 68, 68, .25);
}
.btn-danger:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(239, 68, 68, .35);
    color: #fff;
}
.btn-outline-danger {
    background: #fff;
    border: 1.5px solid #ef4444;
    color: #ef4444;
}
.btn-outline-danger:hover {
    background: #ef4444;
    color: #fff;
    border-color: #ef4444;
    transform: translateY(-1px);
}

/* light / link */
.btn-light {
    background: #f8fafc;
    border: 1.5px solid #e2e8f0;
    color: #475569;
}
.btn-light:hover {
    background: #f1f5f9;
    color: #1e293b;
}

/* 사이즈 */
.btn-sm {
    padding: 6px 14px;
    font-size: 12px;
    border-radius: var(--fm-radius-sm);
}
.btn-lg {
    padding: 13px 24px;
    font-size: 15px;
    border-radius: var(--fm-radius-lg);
}

/* 비활성 */
.btn:disabled, .btn.disabled {
    opacity: .55;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* 버튼 그룹 */
.btn-group .btn {
    border-radius: 0;
}
.btn-group .btn:first-child { border-radius: var(--fm-radius) 0 0 var(--fm-radius); }
.btn-group .btn:last-child  { border-radius: 0 var(--fm-radius) var(--fm-radius) 0; }
.btn-group .btn-sm:first-child { border-radius: var(--fm-radius-sm) 0 0 var(--fm-radius-sm); }
.btn-group .btn-sm:last-child  { border-radius: 0 var(--fm-radius-sm) var(--fm-radius-sm) 0; }

/* ============================================================
   7. LABEL
   ============================================================ */
.form-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--fm-text);
    margin-bottom: 6px;
    letter-spacing: -.005em;
}
.form-label.fw-bold {
    font-weight: 700;
}

/* ============================================================
   8. ALERT (참고용 미세 조정)
   ============================================================ */
.alert {
    border-radius: var(--fm-radius);
    border: none;
    font-size: 14px;
    padding: 12px 16px;
}

/* ============================================================
   9. 반응형
   ============================================================ */
@media (max-width: 767px) {
    .form-control, .form-select {
        font-size: 15px; /* 모바일 zoom-in 방지 (iOS) */
    }
    .filter-checkbox { font-size: 13px; padding: 10px 12px 10px 36px; }
    .btn { padding: 11px 18px; font-size: 14px; }
    .btn-sm { padding: 7px 14px; font-size: 12px; }
}