*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f5f2e8;
  --bg2: #ebe6d8;
  --bg3: #ddd8c8;
  --surface: #ffffff;
  --border: #d4cebc;
  --border2: #b8b09c;
  --text: #2c2416;
  --text2: #6b5e4a;
  --text3: #9a8e7a;
  --green: #4a8c3f;
  --green-light: #6aaf5e;
  --green-dim: #e8f5e4;
  --green-dark: #2d5e24;
  --brown: #8b7355;
  --red: #c44a4a;
  --red-dim: #fce8e8;
  --amber-dim: #faf0dc;
  --font-display: 'Inter', sans-serif;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(44, 36, 22, 0.08);
}

body { background: var(--bg); color: var(--text); font-family: var(--font-display); font-size: 14px; min-height: 100vh; }

/* FLASH */
.flash-container { position: fixed; top: 14px; right: 14px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.flash { padding: 10px 18px; border-radius: var(--radius); font-size: 13px; border: 1px solid; max-width: 380px; font-weight: 500; cursor: pointer; box-shadow: var(--shadow); }
.flash-success { background: var(--green-dim); border-color: var(--green); color: var(--green-dark); }
.flash-danger { background: var(--red-dim); border-color: var(--red); color: var(--red); }
.flash-warning { background: var(--amber-dim); border-color: #c4943a; color: #8a6a20; }
.flash-info { background: #e4edf5; border-color: #6a8faf; color: #3a5a7a; }

/* LOGIN */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; overflow: hidden; position: relative; }

.login-bg {
  position: fixed; inset: 0; pointer-events: none;
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(74, 140, 63, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(139, 115, 85, 0.06) 0%, transparent 50%);
}

.login-wrap { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 2rem; width: 100%; max-width: 400px; padding: 2rem; }

.login-brand { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.login-logo { font-size: 28px; font-weight: 800; letter-spacing: -0.02em; color: var(--green-dark); }
.login-brand-tag { font-size: 12px; color: var(--text3); letter-spacing: 0.08em; }

.login-form { width: 100%; display: flex; flex-direction: column; gap: 1.2rem; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 2rem; box-shadow: var(--shadow); }

.login-title { font-size: 18px; font-weight: 600; color: var(--text); letter-spacing: -0.01em; }
.login-sub { font-size: 13px; color: var(--text3); margin-top: -0.6rem; }

.field { display: flex; flex-direction: column; gap: 6px; }
.field-label { font-size: 12px; color: var(--text2); font-weight: 600; letter-spacing: 0.03em; text-transform: uppercase; }
.field-input { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; color: var(--text); font-family: var(--font-display); font-size: 15px; outline: none; transition: border-color 0.15s; }
.field-input:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(74, 140, 63, 0.1); }
.field-hint { font-size: 11px; color: var(--text3); margin-top: -4px; font-style: italic; }

.btn-primary { display: flex; align-items: center; justify-content: space-between; background: var(--green); border: none; border-radius: 8px; padding: 12px 18px; color: #fff; font-family: var(--font-display); font-size: 15px; font-weight: 600; cursor: pointer; transition: background 0.15s; letter-spacing: 0.02em; }
.btn-primary:hover { background: var(--green-light); }
.btn-arrow { font-size: 18px; }

.login-footer { font-size: 13px; color: var(--text3); }
.login-link { color: var(--green); text-decoration: none; font-weight: 600; }
.login-link:hover { text-decoration: underline; }

/* DASHBOARD */
.dashboard-body { display: flex; flex-direction: column; height: 100vh; overflow: hidden; }

.topbar { display: flex; align-items: center; gap: 12px; background: var(--surface); border-bottom: 1px solid var(--border); padding: 10px 18px; flex-shrink: 0; box-shadow: 0 1px 4px rgba(44, 36, 22, 0.04); }
.topbar-left { display: flex; align-items: center; gap: 10px; }
.topbar-brand { font-weight: 800; font-size: 18px; color: var(--green-dark); letter-spacing: -0.02em; }
.topbar-center { flex: 1; text-align: center; }
.topbar-greeting { font-size: 13px; color: var(--text3); }
.topbar-right { display: flex; align-items: center; gap: 8px; }

.btn-logout { background: transparent; border: 1px solid transparent; border-radius: 8px; padding: 8px 12px; color: var(--text3); cursor: pointer; display: flex; align-items: center; transition: all 0.15s; text-decoration: none; font-family: var(--font-display); font-size: 13px; }
.btn-logout:hover { color: var(--red); background: var(--red-dim); border-color: var(--red); }

.dashboard { flex: 1; overflow-y: auto; padding: 24px; max-width: 1200px; margin: 0 auto; width: 100%; }

.dashboard-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.dashboard-title { font-size: 22px; font-weight: 800; color: var(--text); letter-spacing: -0.02em; }

.add-form { display: flex; gap: 8px; align-items: center; }
.add-input { width: 200px; padding: 10px 14px !important; }
.add-btn { padding: 10px 18px !important; }

/* TABLE */
.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow); }

.habit-table { border-collapse: collapse; width: 100%; min-width: 800px; }
.habit-table th,
.habit-table td { border: 1px solid var(--border); padding: 6px 4px; text-align: center; font-size: 13px; }
.habit-table thead th { background: var(--bg2); font-size: 11px; font-weight: 600; color: var(--text2); text-transform: uppercase; letter-spacing: 0.05em; padding: 8px 4px; position: sticky; top: 0; z-index: 1; }

.th-habit { text-align: left; min-width: 160px; padding-left: 12px !important; }
.th-day { min-width: 28px; width: 28px; }
.th-del { width: 36px; }

.td-habit { text-align: left; font-weight: 500; padding-left: 12px !important; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 200px; }
.td-check { padding: 2px !important; }
.td-del { padding: 2px !important; }

.habit-check { width: 16px; height: 16px; cursor: pointer; accent-color: var(--green); }

.btn-del { background: transparent; border: none; color: var(--text3); font-size: 16px; cursor: pointer; padding: 2px 6px; border-radius: 4px; transition: all 0.15s; }
.btn-del:hover { color: var(--red); background: var(--red-dim); }

/* EMPTY */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text3); font-size: 15px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow); }