:root {
  --bg: #f4efe8;
  --surface: rgba(255, 252, 247, 0.82);
  --surface-strong: #fbf8f3;
  --ink: #151310;
  --muted: #6b6459;
  --line: rgba(21, 19, 16, 0.12);
  --line-soft: rgba(21, 19, 16, 0.08);
  --accent: #9f4128;
  --accent-soft: rgba(159, 65, 40, 0.12);
  --danger: #9a3f38;
  --radius: 1.2rem;
  --shadow: 0 18px 48px rgba(40, 29, 17, 0.05);
  --font-ui: "Space Grotesk", system-ui, sans-serif;
  --font-headline: "Manrope", system-ui, sans-serif;
}

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

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: var(--font-ui);
  background: linear-gradient(180deg, #f8f4ed 0%, var(--bg) 52%, #efe7dc 100%);
  color: var(--ink);
}

button,
input,
select,
textarea {
  font: inherit;
}

.view {
  display: none;
  min-height: 100vh;
}

.view.active {
  display: block;
}

#login-view {
  display: none;
  place-items: center;
  padding: 2rem;
}

#login-view.active {
  display: grid;
}

.login-box {
  width: min(100%, 26rem);
  padding: 2.4rem;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 0.2rem);
  background: rgba(255, 252, 247, 0.72);
  box-shadow: var(--shadow);
}

.login-label,
.brand-sub,
.panel-label,
.meta-label,
.stat-label,
.filter-tab {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.login-label {
  margin: 0 0 1rem;
  color: var(--muted);
}

.login-title {
  margin: 0;
  font-family: var(--font-headline);
  font-size: clamp(2.35rem, 5vw, 3.4rem);
  line-height: 0.94;
  letter-spacing: -0.05em;
}

.login-sub {
  margin: 1rem 0 1.4rem;
  color: var(--muted);
  line-height: 1.65;
}

.login-input-wrap {
  margin-bottom: 0.9rem;
}

.login-input,
.toolbar-btn,
.login-btn {
  min-height: 3rem;
}

.login-input {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.58);
}

.login-btn,
.toolbar-btn,
.action-btn,
.delete-btn {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.login-btn {
  width: 100%;
  border-radius: 999px;
  background: var(--ink);
  color: #f8f4ed;
}

.login-btn:hover,
.toolbar-btn:hover,
.action-btn:hover,
.delete-btn:hover {
  border-color: var(--ink);
}

.login-error {
  min-height: 1.5rem;
  margin: 0.8rem 0 0;
  color: var(--danger);
}

#dashboard-view {
  display: none;
  padding: 1.5rem;
}

#dashboard-view.active {
  display: block;
}

.toolbar,
.stats-bar,
.filter-bar,
.content-shell {
  width: min(1320px, 100%);
  margin: 0 auto;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 0 1.5rem;
}

.toolbar-left,
.toolbar-right {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.brand {
  margin: 0;
  font-family: var(--font-headline);
  font-size: 1rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.brand-sub,
.refresh-time,
.panel-meta {
  color: var(--muted);
}

.toolbar-btn {
  padding: 0.72rem 1rem;
  border-radius: 999px;
}

.toolbar-btn--muted {
  color: var(--muted);
}

.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
  padding-bottom: 1.1rem;
}

.stat {
  padding: 1rem 1rem 1.05rem;
  border-top: 1px solid var(--line);
}

.stat-num {
  display: block;
  font-family: var(--font-headline);
  font-size: clamp(2rem, 3vw, 2.8rem);
  line-height: 0.95;
}

.filter-bar {
  padding: 0.2rem 0 1rem;
}

.filter-tabs {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 0.72rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.filter-tab.active {
  border-color: var(--ink);
  color: var(--ink);
  background: rgba(21, 19, 16, 0.03);
}

.content-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.75fr);
  gap: 1.2rem;
  align-items: start;
}

.list-panel,
.detail-panel {
  min-height: 38rem;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 0.1rem);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.list-panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line-soft);
}

.submissions-list {
  display: grid;
}

.detail-empty {
  display: grid;
  gap: 0.65rem;
  padding: 0.4rem 0;
}

.detail-empty h3 {
  margin: 0;
  font-family: var(--font-headline);
  font-size: 2rem;
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.detail-empty p {
  margin: 0;
  color: var(--muted);
}

.toast {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  padding: 0.85rem 1.05rem;
  border-radius: 999px;
  background: rgba(21, 19, 16, 0.92);
  color: #f8f4ed;
  opacity: 0;
  pointer-events: none;
  transform: translateY(0.6rem);
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast--error {
  background: rgba(154, 63, 56, 0.95);
}

@media (max-width: 980px) {
  .stats-bar,
  .content-shell {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  #dashboard-view {
    padding: 1rem;
  }

  .toolbar {
    padding-bottom: 1rem;
  }

  .stats-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .list-panel,
  .detail-panel,
  .login-box {
    padding: 1rem;
  }
}