/* loancalc.css */
:root {
    --lc-bg:      #060d12;
    --lc-surface: #0c1820;
    --lc-surface2:#101f2d;
    --lc-border:  #1a3048;
    --lc-accent:  #06b6d4;
    --lc-accent2: #0891b2;
    --lc-green:   #10b981;
    --lc-red:     #ef4444;
    --lc-yellow:  #f59e0b;
    --lc-purple:  #8b5cf6;
    --lc-glow:    #06b6d433;
    --lc-text:    #e0f7ff;
    --lc-muted:   #3a6080;
    --lc-dim:     #7aaccc;
}

.lc-hero { background: var(--lc-bg); min-height: 100vh; padding: 2rem 0 4rem; font-family: -apple-system, sans-serif; }

.lc-header { text-align: center; margin-bottom: 2rem; }
.lc-badge { display: inline-block; background: #06b6d415; border: 1px solid var(--lc-accent); color: var(--lc-accent); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.2em; padding: 0.25rem 0.8rem; border-radius: 2px; margin-bottom: 1rem; text-transform: uppercase; font-family: monospace; }
.lc-title { font-size: 2.2rem; font-weight: 800; color: var(--lc-text); margin-bottom: 0.4rem; letter-spacing: -0.02em; }
.lc-title span { color: var(--lc-accent); }
.lc-subtitle { color: var(--lc-muted); font-size: 0.85rem; }

/* 상환 방식 탭 */
.lc-type-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 0.5rem; margin-bottom: 1.25rem; }
.lc-type-btn { padding: 0.85rem 0.5rem; border: 1px solid var(--lc-border); background: var(--lc-surface); color: var(--lc-muted); border-radius: 8px; cursor: pointer; font-size: 0.82rem; font-weight: 700; text-align: center; transition: all 0.15s; }
.lc-type-btn:hover { color: var(--lc-text); border-color: var(--lc-accent); }
.lc-type-btn.active { border-color: var(--lc-accent); color: var(--lc-accent); background: #06b6d412; box-shadow: 0 0 16px var(--lc-glow); }
.lc-type-sub { font-size: 0.68rem; font-weight: 400; opacity: 0.65; display: block; margin-top: 3px; }

/* 입력 패널 */
.lc-input-panel { background: var(--lc-surface); border: 1px solid var(--lc-border); border-radius: 10px; padding: 1.5rem; margin-bottom: 1.25rem; }
.lc-input-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1.25rem; }
.lc-input-group { display: flex; flex-direction: column; gap: 0.4rem; }
.lc-input-group label { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--lc-muted); }
.lc-input-group .lc-hint { font-size: 0.65rem; color: var(--lc-muted); margin-top: 0.2rem; }
.lc-input-wrap { position: relative; }
.lc-input-wrap .lc-unit { position: absolute; right: 0.75rem; top: 50%; transform: translateY(-50%); font-size: 0.8rem; color: var(--lc-muted); font-weight: 600; pointer-events: none; }
.lc-input { width: 100%; padding: 0.65rem 2.8rem 0.65rem 0.85rem; background: var(--lc-bg); border: 1px solid var(--lc-border); border-radius: 6px; color: var(--lc-text); font-size: 0.95rem; font-weight: 600; outline: none; box-sizing: border-box; transition: border-color 0.15s; }
.lc-input:focus { border-color: var(--lc-accent); }

/* 기간 탭 */
.lc-period-tabs { display: flex; gap: 0.4rem; margin-bottom: 0.4rem; }
.lc-period-tab { padding: 0.25rem 0.65rem; border: 1px solid var(--lc-border); background: transparent; color: var(--lc-muted); border-radius: 4px; cursor: pointer; font-size: 0.75rem; font-weight: 700; transition: all 0.15s; }
.lc-period-tab.active { border-color: var(--lc-accent); color: var(--lc-accent); background: #06b6d412; }

/* 계산 버튼 */
.lc-btn-calc { width: 100%; padding: 0.9rem; background: linear-gradient(135deg, var(--lc-accent2), var(--lc-accent)); color: #060d12; border: none; border-radius: 8px; font-size: 1rem; font-weight: 800; cursor: pointer; letter-spacing: 0.05em; transition: all 0.15s; box-shadow: 0 4px 20px var(--lc-glow); }
.lc-btn-calc:hover { opacity: 0.9; transform: translateY(-1px); }

/* 결과 메인 */
.lc-result-main { background: linear-gradient(135deg, var(--lc-surface), var(--lc-surface2)); border: 1px solid var(--lc-border); border-radius: 12px; padding: 2rem; margin-bottom: 1.25rem; position: relative; overflow: hidden; }
.lc-result-main::before { content:''; position:absolute; inset:0; background: radial-gradient(ellipse at center, #06b6d408 0%, transparent 65%); pointer-events:none; }

.lc-result-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 0.75rem; }
.lc-result-card { background: #ffffff06; border: 1px solid var(--lc-border); border-radius: 8px; padding: 1rem; text-align: center; }
.lc-result-card-label { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--lc-muted); margin-bottom: 0.4rem; }
.lc-result-card-value { font-size: 1.35rem; font-weight: 800; font-family: monospace; }
.lc-result-card-value.accent { color: var(--lc-accent); }
.lc-result-card-value.red    { color: var(--lc-red); }
.lc-result-card-value.green  { color: var(--lc-green); }
.lc-result-card-sub { font-size: 0.7rem; color: var(--lc-muted); margin-top: 0.2rem; }

/* 원금/이자 비율 바 */
.lc-ratio-bar { margin: 1.25rem 0 0.5rem; }
.lc-ratio-track { height: 14px; border-radius: 7px; background: var(--lc-red); overflow: hidden; display: flex; }
.lc-ratio-principal { background: var(--lc-green); border-radius: 7px 0 0 7px; transition: width 0.5s ease; }
.lc-ratio-labels { display: flex; justify-content: space-between; margin-top: 0.5rem; font-size: 0.72rem; }
.lc-ratio-labels .green { color: var(--lc-green); font-weight: 700; }
.lc-ratio-labels .red   { color: var(--lc-red); font-weight: 700; }

/* 스케줄 테이블 */
.lc-schedule-panel { background: var(--lc-surface); border: 1px solid var(--lc-border); border-radius: 10px; overflow: hidden; margin-bottom: 1.25rem; }
.lc-schedule-header { display: flex; align-items: center; justify-content: space-between; padding: 0.85rem 1.25rem; border-bottom: 1px solid var(--lc-border); background: #ffffff04; cursor: pointer; }
.lc-schedule-title { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--lc-muted); font-family: monospace; }
.lc-schedule-toggle { font-size: 0.75rem; color: var(--lc-accent); font-weight: 700; }

.lc-schedule-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
.lc-schedule-table th { padding: 0.6rem 1rem; text-align: right; font-size: 0.68rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--lc-muted); border-bottom: 1px solid var(--lc-border); background: #ffffff03; }
.lc-schedule-table th:first-child { text-align: center; }
.lc-schedule-table td { padding: 0.6rem 1rem; text-align: right; border-bottom: 1px solid #ffffff05; color: var(--lc-dim); font-family: monospace; }
.lc-schedule-table td:first-child { text-align: center; color: var(--lc-muted); font-size: 0.75rem; }
.lc-schedule-table tr:last-child td { border-bottom: none; }
.lc-schedule-table tr:hover td { background: #ffffff04; }
.lc-schedule-table .interest-col { color: var(--lc-red); }
.lc-schedule-table .balance-col  { color: var(--lc-dim); }
.lc-schedule-wrap { max-height: 380px; overflow-y: auto; display: none; }
.lc-schedule-wrap.open { display: block; }

/* 기록 */
.lc-history-section { margin-top: 2rem; }
.lc-history-title { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--lc-muted); display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.75rem; font-family: monospace; }
.lc-plan-badge { display: inline-block; font-size: 0.65rem; font-weight: 800; padding: 0.15rem 0.5rem; border-radius: 3px; }
.lc-plan-badge.free    { background: #ffffff12; color: var(--lc-muted); border: 1px solid var(--lc-border); }
.lc-plan-badge.premium { background: linear-gradient(135deg,#f59e0b,#ef4444); color:#fff; }
.lc-premium-nudge { display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem 1rem; background: linear-gradient(135deg,#f59e0b12,#ef444412); border: 1px solid #f59e0b44; border-radius: 6px; margin-bottom: 0.75rem; font-size: 0.8rem; color: var(--lc-text); }
.lc-premium-nudge a { color: #f59e0b; font-weight: 700; text-decoration: none; margin-left: auto; }
.lc-hist-item { display: flex; align-items: center; justify-content: space-between; padding: 0.85rem 1.1rem; background: var(--lc-surface); border: 1px solid var(--lc-border); border-radius: 8px; margin-bottom: 0.5rem; gap: 1rem; transition: border-color 0.15s; }
.lc-hist-item:hover { border-color: var(--lc-accent); }
.lc-hist-meta { flex: 1; overflow: hidden; }
.lc-hist-label { font-size: 0.88rem; color: var(--lc-text); font-weight: 600; margin-bottom: 0.2rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lc-hist-detail { font-size: 0.75rem; color: var(--lc-muted); font-family: monospace; }
.lc-hist-interest { font-size: 0.95rem; font-weight: 800; color: var(--lc-red); white-space: nowrap; font-family: monospace; }
.lc-hist-actions { display: flex; gap: 0.4rem; flex-shrink: 0; }
.lc-btn-sm { padding: 0.25rem 0.65rem; font-size: 0.72rem; font-family: monospace; font-weight: 700; border: 1px solid var(--lc-border); background: transparent; color: var(--lc-muted); border-radius: 4px; cursor: pointer; transition: all 0.15s; }
.lc-btn-sm:hover { border-color: var(--lc-accent); color: var(--lc-accent); }
.lc-btn-del:hover { border-color: var(--lc-red) !important; color: var(--lc-red) !important; }
.lc-history-empty { text-align: center; padding: 1.5rem; color: var(--lc-muted); font-size: 0.82rem; background: var(--lc-surface); border: 1px dashed var(--lc-border); border-radius: 6px; }
.lc-login-nudge { display: flex; align-items: center; gap: 1rem; padding: 1rem 1.25rem; background: var(--lc-surface); border: 1px solid var(--lc-border); border-radius: 8px; margin-top: 2rem; }
.lc-login-nudge-text { flex: 1; font-size: 0.82rem; color: var(--lc-muted); line-height: 1.5; }
.lc-login-nudge-text strong { color: var(--lc-text); display: block; margin-bottom: 0.2rem; }
.lc-btn-login { padding: 0.5rem 1rem; background: transparent; border: 1px solid var(--lc-accent); color: var(--lc-accent); border-radius: 5px; font-size: 0.78rem; font-weight: 700; text-decoration: none; transition: all 0.15s; white-space: nowrap; }
.lc-btn-login:hover { background: var(--lc-accent); color: #060d12; }
.lc-results-wrap { display: none; }
.lc-toast { position: fixed; bottom: 2rem; right: 2rem; background: var(--lc-accent); color: #060d12; padding: 0.6rem 1.2rem; border-radius: 6px; font-weight: 700; font-size: 0.85rem; transform: translateY(4rem); opacity: 0; transition: all 0.25s cubic-bezier(0.34,1.56,0.64,1); z-index: 9999; pointer-events: none; }
.lc-toast.show { transform: translateY(0); opacity: 1; }

@media (max-width: 640px) {
    .lc-title { font-size: 1.7rem; }
    .lc-input-grid { grid-template-columns: 1fr; }
    .lc-result-grid { grid-template-columns: 1fr 1fr; }
    .lc-hist-detail { display: none; }
}