/* ============================================================
   polstrat-data — Styles v1.0
   Theme: Dark | Accent: Polstrat Blue #004877
   Fonts: Space Grotesk + JetBrains Mono
   ============================================================ */

:root {
  /* Backgrounds */
  --bg:     #0d1117;
  --card:   #161b22;
  --card2:  #1c2330;
  --sur2:   #21262d;

  /* Borders */
  --border:  #30363d;
  --border2: #484f58;

  /* Text */
  --text:  #e6edf3;
  --text2: #8b949e;
  --text3: #484f58;

  /* Accent — Polstrat Blue */
  --accent:        #004877;
  --accent-mid:    #005f9e;
  --accent-glow:   rgba(0, 72, 119, 0.15);
  --accent-border: rgba(0, 72, 119, 0.35);

  /* Semantic */
  --green:   #3fb950;
  --green-l: rgba(63, 185, 80, 0.12);
  --amber:   #d29922;
  --amber-l: rgba(210, 153, 34, 0.12);
  --red:     #f85149;
  --red-l:   rgba(248, 81, 73, 0.12);

  /* Radii */
  --r:  8px;
  --rs: 4px;
  --rl: 12px;

  /* Typography */
  --fh: 'Space Grotesk', sans-serif;
  --fm: 'JetBrains Mono', monospace;
}

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

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--fh);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ── Global Error ── */
.global-error {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: var(--red);
  color: #fff;
  text-align: center;
  padding: 10px 16px;
  font-size: 14px;
  font-family: var(--fh);
  font-weight: 500;
  z-index: 9999;
}

/* ── Screens ── */
.screen { min-height: 100vh; }

/* ── Login ── */
.screen-login {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--rl);
  padding: 2rem;
  width: 100%;
  max-width: 360px;
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 2rem;
}

.login-mark {
  font-size: 26px;
  font-weight: 700;
  color: var(--accent-mid);
  line-height: 1;
  letter-spacing: -0.02em;
}

.login-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

.login-sub {
  font-size: 13px;
  color: var(--text3);
  margin-bottom: 1.5rem;
}

.login-error {
  color: var(--red);
  font-size: 13px;
  margin-top: 10px;
  text-align: center;
}

/* ── App Shell ── */
.screen-app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Header ── */
.app-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  height: 52px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.app-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-mark {
  font-size: 22px;
  font-weight: 700;
  color: var(--accent-mid);
  letter-spacing: -0.02em;
  line-height: 1;
}

.brand-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-role {
  font-family: var(--fh);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text3);
  background: var(--sur2);
  border: 1px solid var(--border);
  border-radius: var(--rs);
  padding: 3px 8px;
}

/* ── Views ── */
.view { flex: 1; }

.view-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 4rem;
}

.view-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.view-title {
  font-family: var(--fh);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}

/* ── Tab Nav ── */
.tab-nav {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 10px 14px;
  font-family: var(--fh);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text3);
  cursor: pointer;
  margin-bottom: -1px;
  transition: color 120ms, border-color 120ms;
}

.tab-btn:hover { color: var(--text2); }

.tab-btn.active {
  color: var(--accent-mid);
  border-bottom-color: var(--accent-mid);
}

.tab-panel { display: block; }

/* ── Data Table ── */
.data-table-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--rl);
  overflow: hidden;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  font-family: var(--fh);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text3);
  padding: 10px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  background: var(--card2);
}

.data-table th.num { text-align: right; }

.data-table td {
  font-size: 14px;
  color: var(--text);
  padding: 11px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.data-table td.num {
  font-family: var(--fm);
  font-size: 13px;
  text-align: right;
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--sur2); }

.data-table .text-muted { color: var(--text2); }

/* Status badges */
.badge {
  display: inline-block;
  font-family: var(--fh);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  border-radius: var(--rs);
}

.badge-active {
  background: var(--green-l);
  color: var(--green);
  border: 1px solid rgba(63, 185, 80, 0.25);
}

.badge-ended {
  background: var(--sur2);
  color: var(--text3);
  border: 1px solid var(--border);
}

/* Row actions */
.row-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}

/* Expenses grid */
.expenses-grid-table .editable-cell {
  position: relative;
}

.expense-amount-input {
  background: var(--sur2);
  border: 1px solid var(--border2);
  border-radius: var(--rs);
  color: var(--text);
  font-family: var(--fm);
  font-size: 13px;
  padding: 5px 8px;
  width: 130px;
  text-align: right;
  transition: border-color 120ms;
}

.expense-amount-input:focus {
  outline: none;
  border-color: var(--accent-mid);
}

.save-expense-btn {
  background: var(--accent);
  border: none;
  border-radius: var(--rs);
  color: #fff;
  font-family: var(--fh);
  font-size: 11px;
  font-weight: 600;
  padding: 5px 10px;
  cursor: pointer;
  transition: background 100ms;
}

.save-expense-btn:hover { background: var(--accent-mid); }

.expenses-total-row td {
  font-family: var(--fh);
  font-weight: 700;
  color: var(--text);
  border-top: 2px solid var(--border2);
  border-bottom: none;
}

/* ── Month Picker ── */
.month-picker-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.month-picker-wrap .form-label {
  margin-bottom: 0;
}

.select-year  { width: 90px; }
.select-month { width: 130px; }

/* Remove number input spinners */
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
input[type=number] { -moz-appearance: textfield; }

/* ── Loading / Empty ── */
.loading-state,
.empty-state {
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--text3);
  font-size: 14px;
  font-family: var(--fh);
}

/* ── Activity Log ── */
.log-entry {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--text2);
}

.log-entry:last-child { border-bottom: none; }

.log-date {
  font-family: var(--fm);
  font-size: 12px;
  color: var(--text3);
  margin-right: 10px;
}

.log-role {
  font-family: var(--fh);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-mid);
  margin-right: 8px;
}

/* ── Forms ── */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-family: var(--fh);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text3);
  margin-bottom: 5px;
}

.form-input,
.form-select {
  width: 100%;
  background: var(--sur2);
  border: 1px solid var(--border2);
  border-radius: var(--r);
  color: var(--text);
  font-family: var(--fh);
  font-size: 14px;
  padding: 9px 12px;
  transition: border-color 120ms;
  appearance: none;
  -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent-mid);
}

.form-input::placeholder { color: var(--text3); }

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238b949e' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--fh);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--r);
  border: none;
  cursor: pointer;
  transition: background 100ms, color 100ms, border-color 100ms, transform 80ms;
  white-space: nowrap;
  text-decoration: none;
}

.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover:not(:disabled) { background: var(--accent-mid); }

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--text2);
}
.btn-secondary:hover:not(:disabled) {
  border-color: var(--text2);
  color: var(--text);
}

.btn-ghost {
  background: transparent;
  color: var(--text2);
}
.btn-ghost:hover:not(:disabled) { color: var(--text); }

.btn-danger {
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--red);
}
.btn-danger:hover:not(:disabled) {
  background: var(--red-l);
  border-color: var(--red);
}

.btn-sm { font-size: 12px; padding: 6px 11px; }
.btn-full { width: 100%; }

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: fade-in 180ms ease-out;
}

.modal-card {
  background: var(--card2);
  border: 1px solid var(--border2);
  border-radius: var(--rl);
  width: 100%;
  max-width: 440px;
  animation: scale-in 200ms ease-out;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-family: var(--fh);
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text3);
  font-size: 14px;
  cursor: pointer;
  padding: 4px;
  transition: color 100ms;
}
.modal-close:hover { color: var(--text); }

.modal-body {
  padding: 1.25rem;
}

.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 1.25rem;
}

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--card2);
  border: 1px solid var(--border2);
  border-radius: var(--rl);
  padding: 11px 20px;
  font-family: var(--fh);
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  z-index: 1000;
  white-space: nowrap;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  animation: toast-in 200ms ease-out;
}

.toast.toast-success { border-left: 3px solid var(--green); }
.toast.toast-error   { border-left: 3px solid var(--red); }
.toast.toast-warning { border-left: 3px solid var(--amber); }

/* ── Footer ── */
.app-footer {
  text-align: center;
  padding: 1rem;
  font-family: var(--fm);
  font-size: 11px;
  color: var(--text3);
  border-top: 1px solid var(--border);
  margin-top: auto;
}

/* ── Animations ── */
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes scale-in {
  from { opacity: 0; transform: scale(0.97); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes toast-in {
  from { opacity: 0; transform: translateX(-50%) translateY(8px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ── Mobile ── */
@media (max-width: 600px) {
  .view-inner { padding: 1rem 1rem 3rem; }

  .app-header { padding: 0 1rem; }

  .data-table th,
  .data-table td { padding: 9px 12px; }

  .view-header { flex-direction: column; align-items: flex-start; }

  .modal-card { max-width: 100%; }

  .row-actions { flex-wrap: wrap; }
}