:root {
  color-scheme: dark;
  color: #e8ebf2;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  background: #0b0d11;
  --background: #0b0d11;
  --surface: #12151b;
  --surface-raised: #181c24;
  --surface-soft: #10131a;
  --border: #272c37;
  --border-strong: #363d4b;
  --text: #e8ebf2;
  --muted: #949cab;
  --accent: #7c8cff;
  --accent-hover: #91a0ff;
  --accent-soft: rgba(124, 140, 255, 0.13);
  --danger: #f28b8b;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background: var(--background);
}

header {
  position: sticky;
  z-index: 10;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  padding-right: max(1.5rem, calc((100vw - 1180px) / 2));
  padding-left: max(1.5rem, calc((100vw - 1180px) / 2));
  background: rgba(11, 13, 17, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(14px);
}

nav {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

nav a,
nav button {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0.45rem 0.8rem;
  border: 1px solid transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: 150ms ease;
}

nav a:hover,
nav button:hover {
  color: var(--text);
  background: var(--surface-raised);
}

nav a[aria-current="page"] {
  color: #dce1ff;
  background: var(--accent-soft);
  border-color: rgba(124, 140, 255, 0.24);
  box-shadow: inset 0 -2px 0 var(--accent);
}

nav form {
  margin: 0 0 0 0.4rem;
  padding-left: 0.4rem;
  border-left: 1px solid var(--border);
}

a {
  color: #aab5ff;
  text-underline-offset: 3px;
}

a:hover {
  color: #c2caff;
}

.brand {
  color: #f4f6fb;
  font-size: 1.08rem;
  font-weight: 760;
  letter-spacing: -0.025em;
  text-decoration: none;
}

.brand::before {
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 0.65rem;
  background: var(--accent);
  border-radius: 3px;
  box-shadow: 0 0 0 4px var(--accent-soft);
  content: "";
}

main {
  width: min(100% - 3rem, 1080px);
  margin: 0 auto;
  padding: 4.5rem 0 6rem;
}

h1 {
  margin: 0 0 0.65rem;
  color: #f5f7fb;
  font-size: clamp(2rem, 5vw, 2.65rem);
  line-height: 1.12;
  letter-spacing: -0.045em;
}

main > p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin-top: 1.25rem;
  padding: 0.7rem 1.05rem;
  border: 1px solid #8795ff;
  color: #0d1020;
  font: inherit;
  font-weight: 750;
  text-decoration: none;
  background: #91a0ff;
  border-radius: 9px;
  box-shadow: 0 8px 24px rgba(83, 98, 210, 0.2);
  cursor: pointer;
  transition: 150ms ease;
}

.button:hover {
  color: #090b14;
  background: #aab5ff;
  border-color: #aab5ff;
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(0);
}

input,
textarea,
select,
button {
  outline: none;
}

input:focus,
textarea:focus,
select:focus,
button:focus-visible,
a:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.inbox-form {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin: 2rem 0 2.75rem;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.inbox-form label {
  margin-bottom: 0.7rem;
  color: #dfe3ec;
  font-size: 0.9rem;
  font-weight: 700;
}

.inbox-form textarea,
.project-form input,
.project-form textarea,
.project-form select,
.login-form input {
  width: 100%;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--border-strong);
  color: var(--text);
  font: inherit;
  background: #0d1015;
  border-radius: 9px;
  transition: 150ms ease;
}

.inbox-form textarea {
  min-height: 150px;
  resize: vertical;
}

.inbox-form .button {
  align-self: flex-end;
}

.login-main {
  display: grid;
  place-items: center;
  width: min(100% - 2rem, 430px);
  min-height: calc(100vh - 68px);
  padding: 2rem 0 4rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  width: 100%;
  padding: 2.15rem;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.login-form h1 {
  margin-bottom: 1rem;
  font-size: 1.8rem;
}

.login-form label,
.project-form label {
  margin: 0.9rem 0 0.4rem;
  color: #cdd2dc;
  font-size: 0.85rem;
  font-weight: 700;
}

.login-form .button {
  width: 100%;
  margin-top: 1.5rem;
}

.form-error {
  margin: 0 0 0.5rem;
  padding: 0.65rem 0.75rem;
  color: #ffb4b4;
  font-size: 0.9rem;
  background: rgba(242, 139, 139, 0.09);
  border: 1px solid rgba(242, 139, 139, 0.2);
  border-radius: 8px;
}

.inbox-list,
.project-list {
  display: grid;
  gap: 0.85rem;
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
}

.inbox-list li,
.project-list li {
  padding: 1.3rem 1.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
  transition: border-color 150ms ease, transform 150ms ease;
}

.inbox-list li:hover,
.project-list li:hover {
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.item-content {
  color: #edf0f6;
  font-size: 1.025rem;
  font-weight: 520;
  line-height: 1.65;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.item-meta,
.project-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.status {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 0.2rem 0.55rem;
  color: #cbd2dc;
  font-size: 0.74rem;
  font-weight: 750;
  letter-spacing: 0.015em;
  background: #252a34;
  border: 1px solid #353b48;
  border-radius: 999px;
  white-space: nowrap;
}

.status[data-status="New"] {
  color: #cbd2dc;
  background: rgba(148, 156, 171, 0.1);
}

.status[data-status="Idea"] {
  color: #e7d28f;
  background: rgba(214, 180, 83, 0.1);
  border-color: rgba(214, 180, 83, 0.25);
}

.status[data-status="Research"] {
  color: #a9d6f0;
  background: rgba(91, 164, 205, 0.11);
  border-color: rgba(91, 164, 205, 0.25);
}

.status[data-status="Project"],
.status[data-status="Active"] {
  color: #bdc5ff;
  background: var(--accent-soft);
  border-color: rgba(124, 140, 255, 0.3);
}

.status[data-status="Problem"] {
  color: #f0aaaa;
  background: rgba(224, 102, 102, 0.1);
  border-color: rgba(224, 102, 102, 0.25);
}

.status[data-status="Done"] {
  color: #9ed9b2;
  background: rgba(77, 170, 111, 0.1);
  border-color: rgba(77, 170, 111, 0.25);
}

.status[data-status="On Hold"] {
  color: #dbc091;
  background: rgba(194, 148, 72, 0.1);
  border-color: rgba(194, 148, 72, 0.25);
}

.status[data-status="Open"] {
  color: #b9c3ff;
  background: rgba(124, 140, 255, 0.1);
  border-color: rgba(124, 140, 255, 0.26);
}

.status[data-status="In Progress"] {
  color: #a9d6f0;
  background: rgba(91, 164, 205, 0.11);
  border-color: rgba(91, 164, 205, 0.25);
}

.status-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1.05rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.status-actions button {
  min-height: 30px;
  padding: 0.3rem 0.58rem;
  border: 1px solid var(--border-strong);
  color: #858d9c;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 650;
  background: var(--surface-soft);
  border-radius: 7px;
  cursor: pointer;
  transition: 140ms ease;
}

.status-actions button:hover {
  color: var(--text);
  background: var(--surface-raised);
  border-color: #4a5262;
}

.status-actions button[aria-current="true"] {
  color: #dce1ff;
  background: var(--accent-soft);
  border-color: rgba(124, 140, 255, 0.45);
  box-shadow: 0 0 0 1px rgba(124, 140, 255, 0.08);
}

.status-actions button[value="Idea"][aria-current="true"] { color: #e7d28f; border-color: rgba(214, 180, 83, 0.4); background: rgba(214, 180, 83, 0.1); }
.status-actions button[value="Research"][aria-current="true"] { color: #a9d6f0; border-color: rgba(91, 164, 205, 0.4); background: rgba(91, 164, 205, 0.1); }
.status-actions button[value="Problem"][aria-current="true"] { color: #f0aaaa; border-color: rgba(224, 102, 102, 0.4); background: rgba(224, 102, 102, 0.1); }
.status-actions button[value="Done"][aria-current="true"] { color: #9ed9b2; border-color: rgba(77, 170, 111, 0.4); background: rgba(77, 170, 111, 0.1); }

.create-project,
.create-research {
  margin-top: 0.8rem;
}

.create-project button,
.create-research button {
  padding: 0.48rem 0.72rem;
  border: 1px solid rgba(124, 140, 255, 0.38);
  color: #dce1ff;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  background: var(--accent-soft);
  border-radius: 8px;
  cursor: pointer;
}

.linked-result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  padding: 0.7rem 0.8rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  background: rgba(124, 140, 255, 0.06);
  border: 1px solid rgba(124, 140, 255, 0.16);
  border-radius: 8px;
}

.project-link,
.research-link {
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
}

.project-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.project-name {
  color: #eef0f7;
  font-size: 1.08rem;
  font-weight: 750;
}

.project-list li {
  padding: 0;
  overflow: hidden;
}

.research-list {
  display: grid;
  gap: 0.85rem;
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
}

.research-list li {
  padding: 0;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
  transition: border-color 150ms ease, transform 150ms ease;
}

.research-list li:hover {
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.research-card {
  display: block;
  padding: 1.35rem 1.45rem;
  color: inherit;
  text-decoration: none;
}

.research-card:focus-visible {
  box-shadow: inset 0 0 0 2px var(--accent);
}

.research-heading,
.research-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.research-title {
  color: #eef0f7;
  font-size: 1.08rem;
  font-weight: 750;
}

.research-question {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-top: 1.15rem;
  padding: 0.85rem 1rem;
  color: #dfe3eb;
  background: #0f1218;
  border: 1px solid #242a35;
  border-radius: 9px;
}

.research-summary {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.open-research {
  color: #9ca7f2;
  font-weight: 700;
  transition: color 150ms ease;
}

.research-card:hover .research-title,
.research-card:hover .open-research {
  color: #bdc5ff;
}

.project-card {
  display: block;
  padding: 1.35rem 1.45rem;
  color: inherit;
  text-decoration: none;
}

.project-card:focus-visible {
  box-shadow: inset 0 0 0 2px var(--accent);
}

.project-card:hover .project-name,
.project-card:hover .open-project {
  color: #bdc5ff;
}

.project-next-step {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-top: 1.15rem;
  padding: 0.85rem 1rem;
  color: #dfe3eb;
  background: #0f1218;
  border: 1px solid #242a35;
  border-radius: 9px;
}

.field-label {
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.open-project {
  color: #9ca7f2;
  font-weight: 700;
  transition: color 150ms ease;
}

.inbox-list .empty,
.project-list .empty,
.research-list .empty {
  padding: 2.5rem 1.5rem;
  color: var(--muted);
  text-align: center;
  background: var(--surface-soft);
  border-style: dashed;
}

.project-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 0.36fr);
  gap: 0 1rem;
  margin-top: 1.75rem;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.research-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(210px, 0.36fr);
  gap: 0 1rem;
  margin-top: 1.75rem;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.research-form label {
  margin: 0.9rem 0 0.4rem;
  color: #cdd2dc;
  font-size: 0.85rem;
  font-weight: 700;
}

.research-form input,
.research-form textarea,
.research-form select {
  width: 100%;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--border-strong);
  color: var(--text);
  font: inherit;
  background: #0d1015;
  border-radius: 9px;
  transition: 150ms ease;
}

.research-form textarea {
  resize: vertical;
}

.research-form label[for="title"],
.research-form input[name="title"],
.research-form label[for="research_question"],
.research-form textarea[name="research_question"],
.research-form label[for="findings"],
.research-form textarea[name="findings"],
.research-form .created-date,
.research-form .button {
  grid-column: 1;
}

.research-form label[for="status"],
.research-form select[name="status"],
.research-form label[for="source_link"],
.research-form textarea[name="source_link"] {
  grid-column: 2;
}

.research-form label[for="title"] { grid-row: 1; }
.research-form input[name="title"] { grid-row: 2; }
.research-form label[for="status"] { grid-row: 1; }
.research-form select[name="status"] { grid-row: 2; align-self: start; }
.research-form label[for="research_question"] { grid-row: 3; }
.research-form textarea[name="research_question"] { grid-row: 4; }
.research-form label[for="findings"] { grid-row: 5; }
.research-form textarea[name="findings"] { grid-row: 6; min-height: 210px; }
.research-form label[for="source_link"] { grid-row: 3; }
.research-form textarea[name="source_link"] { grid-row: 4 / 7; min-height: 300px; }
.research-form .created-date { grid-row: 7; }
.research-form .button { grid-row: 8; justify-self: start; }

.project-form label[for="name"],
.project-form input[name="name"],
.project-form label[for="description"],
.project-form textarea[name="description"],
.created-date,
.project-form .button {
  grid-column: 1;
}

.project-form label[for="status"],
.project-form select[name="status"],
.project-form label[for="next_step"],
.project-form textarea[name="next_step"] {
  grid-column: 2;
}

.project-form label[for="status"] {
  grid-row: 1;
}

.project-form select[name="status"] {
  grid-row: 2;
  align-self: start;
}

.project-form label[for="next_step"] {
  grid-row: 3;
}

.project-form textarea[name="next_step"] {
  grid-row: 4;
  min-height: 158px;
}

.project-form label[for="name"] { grid-row: 1; }
.project-form input[name="name"] { grid-row: 2; }
.project-form label[for="description"] { grid-row: 3; }
.project-form textarea[name="description"] { grid-row: 4; min-height: 158px; }
.created-date { grid-row: 5; }
.project-form .button { grid-row: 6; justify-self: start; }

.project-form textarea {
  resize: vertical;
}

.project-form select {
  appearance: auto;
}

.created-date {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

@media (max-width: 700px) {
  header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    gap: 0.8rem;
    padding: 1rem;
  }

  nav {
    width: 100%;
    overflow-x: auto;
  }

  nav form {
    margin-left: auto;
  }

  main {
    width: min(100% - 2rem, 1080px);
    padding: 3rem 0 4rem;
  }

  .login-main {
    min-height: auto;
  }

  .project-form {
    display: flex;
    flex-direction: column;
  }

  .research-form {
    display: flex;
    flex-direction: column;
  }

  .research-form .button {
    align-self: stretch;
  }

  .project-form .button {
    align-self: stretch;
  }
}

@media (max-width: 480px) {
  .item-meta,
  .project-heading,
  .project-summary,
  .research-heading,
  .research-summary,
  .linked-result {
    align-items: flex-start;
    flex-direction: column;
  }

  .login-form,
  .project-form {
    padding: 1.2rem;
  }

  .research-form {
    padding: 1.2rem;
  }

  .inbox-form {
    padding: 1rem;
  }

  .inbox-form .button {
    width: 100%;
  }
}