/* BookTimer — 공통 스타일 (1-A 다리: 빈약한 날것 HTML 개선) */

:root {
    --bg: #f4f5f7;
    --card-bg: #ffffff;
    --text: #1f2330;
    --muted: #6b7280;
    --accent: #4f46e5;
    --accent-hover: #4338ca;
    --danger: #dc2626;
    --danger-hover: #b91c1c;
    --border: #e5e7eb;
    --ok: #059669;
    --radius: 14px;
    --shadow: 0 1px 3px rgba(0, 0, 0, .08), 0 6px 20px rgba(0, 0, 0, .05);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
    line-height: 1.5;
    display: flex;
    justify-content: center;
    padding: 32px 16px;
}

.container {
    width: 100%;
    max-width: 460px;
}

.brand {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin: 0 0 4px;
}

.brand h1 {
    font-size: 1.6rem;
    margin: 0;
    letter-spacing: -.02em;
}

.brand .emoji { font-size: 1.4rem; }

.greeting {
    color: var(--muted);
    margin: 0 0 20px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 16px;
}

.card h2 {
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--muted);
    margin: 0 0 12px;
}

/* 큰 타이머 숫자 */
.timer-display {
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum";
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: .02em;
    color: var(--accent);
    margin: 0;
}

.timer-display.met { color: var(--ok); }

.timer-sub {
    color: var(--muted);
    margin: 8px 0 0;
    font-size: .95rem;
}

.timer-sub .mono {
    font-variant-numeric: tabular-nums;
    font-weight: 600;
    color: var(--text);
}

.goal-badge {
    display: inline-block;
    margin-top: 10px;
    padding: 4px 12px;
    border-radius: 999px;
    background: #ecfdf5;
    color: var(--ok);
    font-size: .85rem;
    font-weight: 600;
}

/* 누적 상한 도달 경고 (호박색) */
.cap-badge {
    margin: 12px 0 0;
    padding: 10px 12px;
    border-radius: 10px;
    background: #fffbeb;
    color: #b45309;
    border: 1px solid #fcd34d;
    font-size: .9rem;
    font-weight: 600;
}

.status-line { margin: 0 0 14px; color: var(--muted); }
.status-line .mono { color: var(--text); font-weight: 600; }

/* 버튼 */
button, .btn {
    font: inherit;
    font-weight: 600;
    border: none;
    border-radius: 10px;
    padding: 12px 18px;
    cursor: pointer;
    width: 100%;
    transition: background .15s ease;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-hover); }

.btn-ghost {
    background: transparent;
    color: var(--muted);
    border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--bg); }

/* 소셜 로그인 */
.oauth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 18px 0;
    color: var(--muted);
    font-size: .85rem;
}
.oauth-divider::before,
.oauth-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border);
}

.btn-oauth {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    box-sizing: border-box;
}
.btn-oauth-google {
    background: #fff;
    color: #1f2328;
    border: 1px solid var(--border);
}
.btn-oauth-google:hover { background: var(--bg); }
.oauth-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #4285f4;
    color: #fff;
    font-weight: 700;
    font-size: .85rem;
}

/* 폼 (회원가입 등) */
.field { margin-bottom: 16px; }
.field label {
    display: block;
    font-size: .85rem;
    font-weight: 600;
    margin-bottom: 6px;
}
.field input,
.field select {
    width: 100%;
    font: inherit;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
}
.field select { appearance: auto; cursor: pointer; }
.field input:focus,
.field select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, .15);
}
.field-error {
    display: block;
    margin-top: 6px;
    color: var(--danger);
    font-size: .85rem;
}

/* 플래시 / 알림 */
.alert {
    padding: 12px 14px;
    border-radius: 10px;
    margin-bottom: 16px;
    font-size: .95rem;
}
.alert-error {
    background: #fef2f2;
    color: var(--danger);
    border: 1px solid #fecaca;
}
.alert-ok {
    background: #ecfdf5;
    color: var(--ok);
    border: 1px solid #a7f3d0;
}

/* 회원 탈퇴 등 위험 작업 구역 */
.danger-zone { border-color: #fecaca; }
.danger-zone h2 { color: var(--danger); }

.link-row { text-align: center; margin-top: 8px; display: flex; gap: 18px; justify-content: center; }
.link-row a { color: var(--accent); text-decoration: none; }
.link-row a:hover { text-decoration: underline; }

/* 일자별 독서 기록 리스트 */
.record-list { list-style: none; margin: 0; padding: 0; }
.record-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}
.record-row:last-child { border-bottom: none; }
.record-date { color: var(--text); font-weight: 600; }
.record-time {
    color: var(--accent);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    margin-left: auto;
}
.record-count { color: var(--muted); font-size: .85rem; min-width: 2.5em; text-align: right; }