:root {
  --deepwater: #27303D;
  --tide: #3D5259;
  --driftwood: #F3F1E8;
  --sandstone: #9C927D;
  --morning-mist: #90A3A6;
  --midnight: #212222;
  --saddle: #915638;
  --stone: #EEEDEE;
  --emberwood: #822C41;
  --white: #FFFFFF;
  --shadow-sm: 0 2px 8px rgba(39, 48, 61, 0.06);
  --shadow-md: 0 8px 24px rgba(39, 48, 61, 0.10);
  --shadow-lg: 0 16px 48px rgba(39, 48, 61, 0.14);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
}

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

html, body {
  font-family: 'Inter', sans-serif;
  font-weight: 300;
  font-size: 16px;
  line-height: 1.6;
  color: var(--deepwater);
  background: var(--driftwood);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--deepwater);
}

h1 { font-size: clamp(2rem, 4vw, 3rem); line-height: 1.1; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); line-height: 1.2; }
h3 { font-size: 1.25rem; line-height: 1.3; }

a { color: var(--tide); text-decoration: none; }
a:hover { color: var(--emberwood); }

button {
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.app {
  display: flex;
  min-height: 100vh;
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar {
  width: 320px;
  background: var(--deepwater);
  color: var(--driftwood);
  padding: 2rem 1.5rem;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  flex-shrink: 0;
}

.logo {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 1.75rem;
  color: var(--driftwood);
  margin-bottom: 0.25rem;
  letter-spacing: -0.02em;
}

.logo-tagline {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--morning-mist);
  margin-bottom: 2rem;
  font-weight: 500;
}

.client-info {
  background: rgba(243, 241, 232, 0.05);
  border: 1px solid rgba(243, 241, 232, 0.1);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 2rem;
}

.client-info-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--morning-mist);
  margin-bottom: 0.25rem;
}

.client-info-value {
  font-family: 'Fraunces', serif;
  font-size: 1.1rem;
  color: var(--driftwood);
  font-weight: 500;
}

.progress-summary {
  margin-bottom: 2rem;
}

.progress-percent {
  font-family: 'Fraunces', serif;
  font-size: 3.5rem;
  font-weight: 400;
  color: var(--driftwood);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.progress-label {
  font-size: 0.85rem;
  color: var(--morning-mist);
  margin-bottom: 1rem;
}

.progress-bar {
  height: 4px;
  background: rgba(243, 241, 232, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--morning-mist), var(--driftwood));
  border-radius: 2px;
  transition: width 0.5s ease;
}

.nav-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--morning-mist);
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.phase-nav {
  list-style: none;
  margin-bottom: 2rem;
}

.phase-nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 0.25rem;
  font-size: 0.9rem;
}

.phase-nav-item:hover {
  background: rgba(243, 241, 232, 0.05);
}

.phase-nav-item.active {
  background: rgba(243, 241, 232, 0.1);
  color: var(--driftwood);
}

.phase-nav-item.complete .phase-nav-dot {
  background: var(--morning-mist);
  border-color: var(--morning-mist);
}

.phase-nav-item.internal {
  opacity: 0.6;
}

.phase-nav-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1.5px solid var(--morning-mist);
  flex-shrink: 0;
}

.phase-nav-item.complete .phase-nav-dot::after {
  content: '✓';
  display: block;
  color: var(--deepwater);
  font-size: 0.65rem;
  text-align: center;
  line-height: 10px;
  margin-top: -2px;
  margin-left: -0.5px;
  font-weight: 700;
}

.phase-nav-text {
  flex: 1;
  line-height: 1.3;
}

.phase-nav-count {
  font-size: 0.75rem;
  color: var(--morning-mist);
  font-variant-numeric: tabular-nums;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 2rem;
  font-size: 0.8rem;
  color: var(--morning-mist);
  line-height: 1.5;
}

.sidebar-footer strong { color: var(--driftwood); font-weight: 500; }

/* ============================================================
   MAIN CONTENT
   ============================================================ */
.main {
  flex: 1;
  padding: 3rem 4rem;
  max-width: 100%;
  overflow-x: hidden;
}

.main-header {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(39, 48, 61, 0.08);
}

.breadcrumb {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--sandstone);
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.main-title {
  margin-bottom: 0.75rem;
}

.main-subtitle {
  color: var(--tide);
  font-size: 1.05rem;
  max-width: 720px;
}

/* ============================================================
   WELCOME / START SCREEN
   ============================================================ */
.start-screen {
  max-width: 640px;
  margin: 4rem auto;
  text-align: center;
}

.start-screen h1 {
  margin-bottom: 1rem;
}

.start-screen p {
  color: var(--tide);
  margin-bottom: 2rem;
}

.start-form {
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: left;
}

/* ============================================================
   PHASE OVERVIEW (DASHBOARD)
   ============================================================ */
.phases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}

.phase-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
}

.phase-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: rgba(144, 163, 166, 0.3);
}

.phase-card.internal {
  background: var(--stone);
  cursor: default;
}

.phase-card.internal:hover {
  transform: none;
  box-shadow: var(--shadow-sm);
}

.phase-number {
  font-family: 'Fraunces', serif;
  font-size: 0.8rem;
  color: var(--sandstone);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.phase-title {
  font-family: 'Fraunces', serif;
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--deepwater);
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.phase-description {
  color: var(--tide);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.phase-progress {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.phase-progress-bar {
  flex: 1;
  height: 4px;
  background: var(--stone);
  border-radius: 2px;
  overflow: hidden;
}

.phase-progress-fill {
  height: 100%;
  background: var(--tide);
  border-radius: 2px;
  transition: width 0.5s ease;
}

.phase-progress-text {
  font-size: 0.8rem;
  color: var(--sandstone);
  font-variant-numeric: tabular-nums;
}

.phase-card.internal .phase-progress-fill { background: var(--sandstone); }

.phase-tasks-preview {
  list-style: none;
  font-size: 0.85rem;
  color: var(--tide);
}

.phase-tasks-preview li {
  padding: 0.35rem 0;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.task-check {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--morning-mist);
  border-radius: 3px;
  flex-shrink: 0;
  margin-top: 3px;
}

.task-check.complete {
  background: var(--tide);
  border-color: var(--tide);
  position: relative;
}

.task-check.complete::after {
  content: '✓';
  position: absolute;
  top: -2px;
  left: 1px;
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
}

.internal-badge {
  display: inline-block;
  background: var(--sandstone);
  color: var(--white);
  padding: 0.25rem 0.65rem;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

/* ============================================================
   PHASE DETAIL VIEW
   ============================================================ */
.phase-detail {
  max-width: 900px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--tide);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
  margin-bottom: 2rem;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

.back-link:hover { color: var(--emberwood); }

.task-list {
  list-style: none;
}

.task-item {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 1.5rem 2rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
  border-left: 3px solid var(--morning-mist);
  transition: all 0.2s;
}

.task-item.complete {
  border-left-color: var(--tide);
  background: linear-gradient(to right, rgba(61, 82, 89, 0.03), var(--white));
}

.task-item.active-task {
  border-left-color: var(--emberwood);
  box-shadow: var(--shadow-md);
}

.task-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
}

.task-header-left {
  flex: 1;
}

.task-title {
  font-family: 'Fraunces', serif;
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--deepwater);
  margin-bottom: 0.25rem;
}

.task-meta {
  font-size: 0.8rem;
  color: var(--sandstone);
}

.task-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  white-space: nowrap;
}

.task-status.pending {
  background: var(--stone);
  color: var(--sandstone);
}

.task-status.complete {
  background: rgba(61, 82, 89, 0.1);
  color: var(--tide);
}

.task-body {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(39, 48, 61, 0.08);
  display: none;
}

.task-body.open { display: block; }

.task-description {
  color: var(--tide);
  margin-bottom: 1.5rem;
  white-space: pre-line;
  line-height: 1.7;
}

/* ============================================================
   FORMS
   ============================================================ */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--deepwater);
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}

.form-label.required::after {
  content: ' *';
  color: var(--emberwood);
}

.form-help {
  font-size: 0.8rem;
  color: var(--sandstone);
  margin-top: 0.4rem;
  line-height: 1.4;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1.5px solid rgba(39, 48, 61, 0.12);
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  color: var(--deepwater);
  background: var(--white);
  transition: all 0.2s;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--tide);
  box-shadow: 0 0 0 3px rgba(61, 82, 89, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
  font-family: 'Inter', sans-serif;
}

.form-checkbox-group,
.form-radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-check-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--driftwood);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.9rem;
}

.form-check-label:hover {
  background: var(--stone);
}

.form-check-label input {
  margin-top: 3px;
  cursor: pointer;
  accent-color: var(--tide);
}

.form-check-label.checked {
  background: rgba(61, 82, 89, 0.08);
  border-left: 3px solid var(--tide);
}

/* ============================================================
   FILE UPLOAD
   ============================================================ */
.file-upload {
  border: 2px dashed rgba(39, 48, 61, 0.2);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  background: var(--driftwood);
  transition: all 0.2s;
  cursor: pointer;
}

.file-upload:hover,
.file-upload.dragover {
  border-color: var(--tide);
  background: rgba(61, 82, 89, 0.03);
}

.file-upload input[type="file"] { display: none; }

.file-upload-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--tide);
}

.file-upload-text {
  font-weight: 500;
  color: var(--deepwater);
  margin-bottom: 0.25rem;
}

.file-upload-hint {
  font-size: 0.8rem;
  color: var(--sandstone);
}

.file-list {
  list-style: none;
  margin-top: 1rem;
}

.file-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1rem;
  background: var(--white);
  border: 1px solid rgba(39, 48, 61, 0.08);
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
}

.file-list li .file-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
  min-width: 0;
}

.file-icon-small {
  width: 28px;
  height: 28px;
  background: var(--tide);
  color: var(--white);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
}

.file-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--deepwater);
}

.file-size {
  color: var(--sandstone);
  font-size: 0.75rem;
  margin-left: 0.5rem;
  flex-shrink: 0;
}

.file-remove {
  color: var(--emberwood);
  font-size: 0.85rem;
  padding: 0.25rem 0.5rem;
  border-radius: 3px;
  transition: all 0.2s;
}

.file-remove:hover {
  background: rgba(130, 44, 65, 0.08);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--deepwater);
  color: var(--driftwood);
}

.btn-primary:hover {
  background: var(--tide);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--tide);
  border: 1.5px solid var(--tide);
}

.btn-secondary:hover {
  background: var(--tide);
  color: var(--white);
}

.btn-accent {
  background: var(--emberwood);
  color: var(--white);
}

.btn-accent:hover {
  background: #6b2434;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-large {
  padding: 1.1rem 2.5rem;
  font-size: 1rem;
}

.btn-row {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.btn-save-note {
  font-size: 0.8rem;
  color: var(--sandstone);
  margin-left: auto;
  align-self: center;
}

/* ============================================================
   NOTICES & CALLOUTS
   ============================================================ */
.notice {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
  line-height: 1.5;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.notice-info {
  background: rgba(144, 163, 166, 0.15);
  color: var(--deepwater);
  border-left: 3px solid var(--morning-mist);
}

.notice-success {
  background: rgba(61, 82, 89, 0.08);
  color: var(--deepwater);
  border-left: 3px solid var(--tide);
}

.notice-warning {
  background: rgba(145, 86, 56, 0.1);
  color: var(--deepwater);
  border-left: 3px solid var(--saddle);
}

/* ============================================================
   SUBMIT / COMPLETION
   ============================================================ */
.submit-section {
  margin-top: 3rem;
  padding: 2.5rem;
  background: var(--deepwater);
  color: var(--driftwood);
  border-radius: var(--radius-lg);
  text-align: center;
}

.submit-section h2 {
  color: var(--driftwood);
  margin-bottom: 0.5rem;
}

.submit-section p {
  color: var(--morning-mist);
  max-width: 560px;
  margin: 0 auto 1.5rem;
}

.submit-section .btn {
  background: var(--driftwood);
  color: var(--deepwater);
}

.submit-section .btn:hover {
  background: var(--white);
}

/* ============================================================
   SAVE INDICATOR
   ============================================================ */
.save-indicator {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--tide);
  color: var(--white);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s;
  pointer-events: none;
  z-index: 1000;
}

.save-indicator.show {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   MOBILE
   ============================================================ */
.mobile-toggle { display: none; }

@media (max-width: 900px) {
  .app { flex-direction: column; }
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
    padding: 1.5rem;
  }
  .main { padding: 2rem 1.5rem; }
  .phases-grid { grid-template-columns: 1fr; }
  .task-header { flex-direction: column; align-items: flex-start; }
  .main-header { margin-bottom: 1.5rem; padding-bottom: 1.5rem; }
}

/* ============================================================
   UTILITY
   ============================================================ */
.hidden { display: none !important; }

.fade-in {
  animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.decorative-line {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--sandstone), transparent);
  margin: 2rem 0;
}

.summary-item {
  padding: 1rem 0;
  border-bottom: 1px solid rgba(39, 48, 61, 0.08);
}

.summary-item:last-child { border-bottom: none; }

.summary-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--sandstone);
  margin-bottom: 0.25rem;
  font-weight: 500;
}

.summary-value {
  color: var(--deepwater);
  white-space: pre-line;
}

.print-only { display: none; }

@media print {
  .sidebar, .back-link, .btn-row, .submit-section, .save-indicator { display: none !important; }
  .main { padding: 1rem; }
  .task-item { break-inside: avoid; box-shadow: none; border: 1px solid #ccc; }
  .task-body { display: block !important; }
  .print-only { display: block; }
}

.field-missing {
  border-left: 4px solid var(--emberwood);
  padding-left: 1rem;
  background: rgba(130, 44, 65, 0.04);
  border-radius: var(--radius-sm);
}

.field-missing .form-label {
  color: var(--emberwood);
}

button:disabled,
.btn:disabled {
  pointer-events: none;
}

.file-item {
  margin-top: 0.25rem;
  font-size: 0.9rem;
}

.file-item a {
  color: var(--tide);
  text-decoration: underline;
}

.file-list {
  margin-top: 0.5rem;
}

.file-upload {
  display: block;
  width: 100%;
  border: 2px dashed rgba(39, 48, 61, 0.2);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  background: var(--driftwood);
  transition: all 0.2s;
  cursor: pointer;
  box-sizing: border-box;
}

.file-upload:hover,
.file-upload.dragover {
  border-color: var(--tide);
  background: rgba(61, 82, 89, 0.03);
}

.file-upload input[type="file"] {
  display: none;
}

.file-upload-icon,
.file-upload-text,
.file-upload-hint {
  display: block;
}

.file-remove {
  margin-left: 0.5rem;
  background: none;
  border: none;
  color: var(--sandstone);
  cursor: pointer;
  font-size: 0.9rem;
}

.file-remove:hover {
  color: var(--emberwood);
}
.submitted-locked {
  opacity: 0.6;
  cursor: not-allowed !important;
}

.file-upload.submitted-locked {
  pointer-events: none;
}
.btn-danger {
  background: transparent;
  color: var(--emberwood);
  border: 1.5px solid var(--emberwood);
}

.btn-danger:hover {
  background: var(--emberwood);
  color: var(--white);
}