/* ================================================================
   TuMente Tablero — style.css
   ================================================================ */

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

:root {
  /* Brand */
  --color-primary:       #7C9A6E;
  --color-primary-dark:  #5f7d54;
  --color-primary-light: #a8c49a;

  /* Backgrounds */
  --color-bg:            #f2f3ee;
  --color-surface:       #ffffff;
  --color-surface-hover: #f8f9f6;

  /* Columns */
  --col-todo-bg:         #eef2fb;
  --col-inprogress-bg:   #fef9ec;
  --col-review-bg:       #fdf0fb;
  --col-completed-bg:    #edfaf3;

  /* Text */
  --color-text:          #1a202c;
  --color-text-muted:    #718096;
  --color-text-subtle:   #a0aec0;

  /* Borders */
  --color-border:        #e2e8f0;
  --color-border-light:  #edf2f7;

  /* Role colours */
  --role-cto:            #4A90D9;
  --role-cmo:            #E67E22;
  --role-coo:            #27AE60;
  --role-cro:            #8E44AD;
  --role-advisor:        #F39C12;
  --role-webmaster:      #E74C3C;

  /* Shadows */
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:   0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg:   0 12px 40px rgba(0,0,0,0.14), 0 4px 12px rgba(0,0,0,0.06);

  /* Radius */
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;

  /* Transitions */
  --transition:  0.15s ease;
}

html { font-size: 16px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100vh;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Utility ───────────────────────────────────────────────────── */
.hidden { display: none !important; }

/* ── Buttons ───────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  line-height: 1;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); }

.btn-outline {
  background: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border);
}
.btn-outline:hover { background: var(--color-surface-hover); color: var(--color-text); }

.btn-github {
  background: #24292f;
  color: #fff;
  border-color: #24292f;
  padding: 12px 24px;
  font-size: 1rem;
  border-radius: var(--radius-md);
}
.btn-github:hover { background: #1b1f23; }

.btn-icon {
  background: transparent;
  border-color: transparent;
  padding: 6px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
}
.btn-icon:hover { background: var(--color-border-light); color: var(--color-text); }

.btn-sm { padding: 6px 12px; font-size: 0.8rem; }

/* ── Login Screen ──────────────────────────────────────────────── */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
}

.login-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 56px 64px;
  text-align: center;
  max-width: 420px;
  width: 90%;
}

.login-logo {
  color: var(--color-primary);
  margin-bottom: 20px;
}
.login-logo svg { display: block; margin: 0 auto; }

.login-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
  letter-spacing: -0.4px;
}

.login-subtitle {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 36px;
}

/* ── Top Bar ────────────────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0 24px;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.app-logo { color: var(--color-primary); display: flex; }

.app-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.3px;
}

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

.user-info { display: flex; align-items: center; gap: 8px; }

.user-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
}

.user-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

/* ── Loading Bar ────────────────────────────────────────────────── */
.loading-bar {
  height: 3px;
  background: var(--color-border-light);
  position: relative;
  overflow: hidden;
}
.loading-bar-inner {
  position: absolute;
  inset: 0;
  background: var(--color-primary);
  animation: loading-slide 1.4s ease-in-out infinite;
  transform-origin: left;
}
@keyframes loading-slide {
  0%   { transform: translateX(-100%) scaleX(0.3); }
  50%  { transform: translateX(0%) scaleX(0.6); }
  100% { transform: translateX(100%) scaleX(0.3); }
}

/* ── Filter Bar ─────────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 24px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  overflow-x: auto;
}
.filter-bar::-webkit-scrollbar { display: none; }

.filter-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-subtle);
  white-space: nowrap;
}

.filter-buttons { display: flex; gap: 6px; }

.filter-btn {
  padding: 5px 14px;
  border-radius: 20px;
  border: 1.5px solid var(--color-border);
  background: transparent;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.filter-btn:hover { border-color: var(--color-primary); color: var(--color-primary); background: #f0f5ee; }
.filter-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ── Board ─────────────────────────────────────────────────────── */
.board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 20px 24px 80px;
  min-height: calc(100vh - 56px - 45px - 3px);
  align-items: start;
}

/* ── Column ────────────────────────────────────────────────────── */
.board-column {
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  min-height: 120px;
}

#col-todo       { background: var(--col-todo-bg); }
#col-inprogress { background: var(--col-inprogress-bg); }
#col-review     { background: var(--col-review-bg); }
#col-completed  { background: var(--col-completed-bg); }

.column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px 10px;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.column-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 10px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(0,0,0,0.08);
  color: var(--color-text-muted);
}

.column-cards {
  padding: 10px;
  flex: 1;
  min-height: 80px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Empty state */
.column-cards:empty::after,
.empty-state {
  display: block;
  padding: 24px 12px;
  text-align: center;
  color: var(--color-text-subtle);
  font-size: 0.8rem;
  font-style: italic;
}

/* ── Task Card ─────────────────────────────────────────────────── */
.task-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: box-shadow var(--transition), transform var(--transition);
  border-left: 4px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.task-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

/* Role border colors */
.task-card[data-role="CTO"]              { border-left-color: var(--role-cto); }
.task-card[data-role="CMO"]              { border-left-color: var(--role-cmo); }
.task-card[data-role="COO"]              { border-left-color: var(--role-coo); }
.task-card[data-role="CRO"]              { border-left-color: var(--role-cro); }
.task-card[data-role="Business Advisor"] { border-left-color: var(--role-advisor); }
.task-card[data-role="Webmaster"]        { border-left-color: var(--role-webmaster); }

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

.card-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.35;
  flex: 1;
}

.card-preview {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.45;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

.card-date {
  font-size: 0.72rem;
  color: var(--color-text-subtle);
}

/* ── Role Badge ────────────────────────────────────────────────── */
.role-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #fff;
}

.role-badge[data-role="CTO"]              { background: var(--role-cto); }
.role-badge[data-role="CMO"]              { background: var(--role-cmo); }
.role-badge[data-role="COO"]              { background: var(--role-coo); }
.role-badge[data-role="CRO"]              { background: var(--role-cro); }
.role-badge[data-role="Business Advisor"] { background: var(--role-advisor); }
.role-badge[data-role="Webmaster"]        { background: var(--role-webmaster); }

/* ── Column badge ─────────────────────────────────────────────── */
.column-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 600;
  border: 1.5px solid var(--color-border);
  color: var(--color-text-muted);
  margin-left: 6px;
}

/* ── Card Loading Overlay ──────────────────────────────────────── */
.task-card.is-loading::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.75);
  border-radius: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
}
.task-card.is-loading::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 20px; height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  z-index: 2;
}

/* Drag ghost */
.sortable-ghost {
  opacity: 0.4;
  background: var(--color-primary-light) !important;
  border: 2px dashed var(--color-primary) !important;
}

.sortable-chosen { box-shadow: var(--shadow-md) !important; }

/* ── FAB ───────────────────────────────────────────────────────── */
.fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  border: none;
  box-shadow: 0 4px 16px rgba(124,154,110,0.45);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  z-index: 90;
}
.fab:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 6px 20px rgba(124,154,110,0.55);
  transform: scale(1.06);
}
.fab:active { transform: scale(0.95); }

/* ── Toast ─────────────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 90px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 200;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  background: #2d3748;
  color: #fff;
  font-size: 0.875rem;
  box-shadow: var(--shadow-md);
  animation: toast-in 0.2s ease-out;
  max-width: 360px;
}

.toast.toast-error   { background: #e53e3e; }
.toast.toast-success { background: var(--color-primary-dark); }
.toast.toast-info    { background: #3182ce; }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes toast-out {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(40px); }
}

/* ── Modal ─────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 150;
  padding: 20px;
  animation: fade-in 0.15s ease-out;
}
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  position: relative;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  animation: modal-in 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes modal-in {
  from { opacity: 0; transform: scale(0.96) translateY(8px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-detail { max-width: 720px; padding: 32px 36px 28px; }
.modal-create { max-width: 580px; padding: 28px 32px 24px; }

.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
  display: flex;
}
.modal-close:hover { background: var(--color-border-light); color: var(--color-text); }

.modal-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.detail-date {
  font-size: 0.78rem;
  color: var(--color-text-subtle);
  margin-left: auto;
}

.modal-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: 20px;
  padding-right: 36px;
  letter-spacing: -0.3px;
}

.modal-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 24px 0 20px;
}

/* ── Markdown Body ─────────────────────────────────────────────── */
.markdown-body {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--color-text);
}
.markdown-body h1, .markdown-body h2, .markdown-body h3 {
  font-weight: 700;
  margin-top: 1.2em;
  margin-bottom: 0.5em;
  line-height: 1.3;
  letter-spacing: -0.2px;
}
.markdown-body h1 { font-size: 1.3rem; }
.markdown-body h2 { font-size: 1.1rem; border-bottom: 1px solid var(--color-border); padding-bottom: 6px; }
.markdown-body h3 { font-size: 0.95rem; }
.markdown-body p  { margin-bottom: 0.85em; }
.markdown-body ul, .markdown-body ol { padding-left: 1.4em; margin-bottom: 0.85em; }
.markdown-body li { margin-bottom: 0.2em; }
.markdown-body code {
  background: #f0f2f0;
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 0.85em;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}
.markdown-body pre {
  background: #f6f8f6;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  overflow-x: auto;
  margin-bottom: 0.85em;
}
.markdown-body pre code { background: none; padding: 0; font-size: 0.85rem; }
.markdown-body blockquote {
  border-left: 4px solid var(--color-primary-light);
  padding-left: 14px;
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: 0.85em;
}
.markdown-body strong { font-weight: 600; }
.markdown-body hr { border: none; border-top: 1px solid var(--color-border); margin: 1.2em 0; }
.markdown-body table { border-collapse: collapse; width: 100%; margin-bottom: 0.85em; font-size: 0.85rem; }
.markdown-body th, .markdown-body td { border: 1px solid var(--color-border); padding: 6px 12px; text-align: left; }
.markdown-body th { background: var(--color-bg); font-weight: 600; }

/* ── Comment Section ────────────────────────────────────────────── */
.comment-section { }
.comment-heading {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}
.comment-input {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.875rem;
  resize: vertical;
  min-height: 80px;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  margin-bottom: 10px;
  display: block;
}
.comment-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(124,154,110,0.15);
}

/* ── Create Form ────────────────────────────────────────────────── */
.create-form { }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-group { margin-bottom: 16px; }

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(124,154,110,0.15);
}
.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='%23718096' 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; }
.form-textarea { resize: vertical; min-height: 140px; font-size: 0.875rem; }

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 4px;
}

/* ── Spinner (generic) ─────────────────────────────────────────── */
@keyframes spin { to { transform: rotate(360deg); } }

.spinner-inline {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .board { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .board { grid-template-columns: 1fr; padding: 12px 14px 80px; }
  .modal-detail, .modal-create { padding: 24px 20px 20px; }
  .form-row { grid-template-columns: 1fr; }
  .topbar { padding: 0 14px; }
  .user-name { display: none; }
  .filter-bar { padding: 8px 14px; }
  .app-name { font-size: 0.95rem; }
}