/* =========================================================
   Kit Anti-Procrastinación — Styles
   Mobile-first, zero external dependencies
   ========================================================= */

/* ---- CSS VARIABLES ---- */
:root {
  --color-primary:       #4A7C6F;
  --color-primary-light: #6B9E91;
  --color-primary-dark:  #2E5C51;
  --color-accent:        #D4845A;
  --color-accent-light:  #E8A882;
  --color-accent-dark:   #B8653C;
  --color-bg:            #FAF8F5;
  --color-surface:       #FFFFFF;
  --color-surface-alt:   #F5F2EE;
  --color-text:          #2D2D2D;
  --color-text-muted:    #6B6B6B;
  --color-border:        #E8E4DF;
  --color-border-focus:  #4A7C6F;
  --color-success:       #5C9E6E;
  --color-success-bg:    #EAF5EE;

  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08);
  --shadow-md:  0 4px 12px rgba(0,0,0,0.10);
  --shadow-lg:  0 8px 24px rgba(0,0,0,0.12);

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  18px;

  --transition: 0.2s ease;

  --header-h:  60px;
  --nav-h:     56px;
}

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img { max-width: 100%; }
button { cursor: pointer; font-family: inherit; }
a { color: var(--color-primary); }
a:hover { color: var(--color-primary-dark); }
ul { list-style: none; }

/* ---- HEADER ---- */
.app-header {
  background: var(--color-primary);
  color: #fff;
  height: var(--header-h);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
}
.header-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 16px;
  height: 100%;
  display: flex;
  align-items: center;
}
.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.header-emoji { font-size: 1.5rem; line-height: 1; }
.header-text { display: flex; flex-direction: column; }
.header-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.2px;
  line-height: 1.2;
}
.header-subtitle {
  font-size: 0.7rem;
  opacity: 0.8;
  letter-spacing: 0.2px;
}

/* ---- NAV ---- */
.app-nav {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: var(--header-h);
  z-index: 99;
  display: flex;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  box-shadow: var(--shadow-sm);
}
.app-nav::-webkit-scrollbar { display: none; }

.nav-btn {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 10px 14px;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--color-text-muted);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
  min-width: 70px;
}
.nav-btn:hover {
  color: var(--color-primary);
  background: var(--color-surface-alt);
}
.nav-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: 600;
}
.nav-icon { font-size: 1.1rem; line-height: 1; }
.nav-label { font-size: 0.65rem; font-weight: 500; white-space: nowrap; }

/* ---- MAIN CONTENT ---- */
.app-main {
  flex: 1;
  max-width: 860px;
  margin: 0 auto;
  padding: 24px 16px 40px;
  width: 100%;
}

/* ---- SECTIONS ---- */
.section { display: none; animation: fadeIn 0.3s ease; }
.section.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.section-header { margin-bottom: 24px; }
.section-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.3;
}
.section-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}
.section-desc em { color: var(--color-primary); font-style: normal; font-weight: 500; }

/* ---- HOME TOOLS GRID ---- */
.tools-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.tool-card {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  text-align: left;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: pointer;
  width: 100%;
}
.tool-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}
.tool-card:active { transform: translateY(0); }

.tool-card--featured {
  border-color: var(--color-accent);
  background: linear-gradient(135deg, #fff 70%, #fdf4ef);
}
.tool-card--featured:hover { border-color: var(--color-accent-dark); }

.tool-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
}
.tool-module-badge {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--color-primary-light);
  color: #fff;
  padding: 2px 8px;
  border-radius: 20px;
}
.tool-module-badge--accent {
  background: var(--color-accent);
}
.tool-emoji { font-size: 1.6rem; line-height: 1; }
.tool-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--color-text);
}
.tool-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 12px;
}
.tool-cta {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-block;
}
.tool-card--featured .tool-cta { color: var(--color-accent-dark); }

.home-tip {
  margin-top: 20px;
  background: var(--color-surface-alt);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  display: flex;
  gap: 8px;
  align-items: flex-start;
  line-height: 1.5;
}
.tip-icon { flex-shrink: 0; }

/* ---- QUIZ ---- */
.quiz-form { }
.quiz-question {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  margin-bottom: 14px;
}
.quiz-q-number {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.quiz-q-text {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 14px;
  line-height: 1.4;
}
.quiz-options { display: flex; flex-direction: column; gap: 8px; }
.quiz-option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
}
.quiz-option input[type="radio"] {
  margin-top: 3px;
  accent-color: var(--color-primary);
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}
.quiz-option-text {
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--color-text);
}
.quiz-option:has(input:checked) .quiz-option-text {
  color: var(--color-primary-dark);
  font-weight: 500;
}

.quiz-submit-row { margin-top: 20px; text-align: center; }
.quiz-result {
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  margin-top: 8px;
  animation: fadeIn 0.4s ease;
}
.quiz-result-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--color-primary);
  margin-bottom: 6px;
}
.quiz-result-type {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 4px;
  line-height: 1.2;
}
.quiz-result-emoji { font-size: 2rem; margin-bottom: 10px; display: block; }
.quiz-result-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}
.quiz-result-strategies h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}
.strategy-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 10px;
  padding: 10px 12px;
  background: var(--color-surface-alt);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  line-height: 1.45;
}
.strategy-num {
  background: var(--color-primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}
.quiz-retake-btn { margin-top: 16px; }

/* ---- MICRO-ACCIONES ---- */
.micro-intro {
  background: var(--color-surface-alt);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 12px 16px;
  font-size: 0.88rem;
  line-height: 1.5;
  margin-bottom: 20px;
  color: var(--color-text-muted);
}
.micro-intro strong { color: var(--color-accent-dark); }

.micro-form {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 24px;
}
.micro-form h3 { font-size: 1rem; font-weight: 700; margin-bottom: 16px; }

.field-group { margin-bottom: 16px; }
.field-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.field-input, .field-textarea {
  width: 100%;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.field-input:focus, .field-textarea:focus {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(74,124,111,0.12);
}
.field-textarea { resize: vertical; min-height: 80px; }
.field-hint {
  margin-top: 5px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.resistance-check {
  background: #FFF8F5;
  border: 1.5px solid var(--color-accent-light);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-top: 12px;
}
.resistance-check p {
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-accent-dark);
}
.resistance-check .btn-row {
  display: flex;
  gap: 8px;
}

.micro-list-section h3 { font-size: 1rem; font-weight: 700; margin-bottom: 14px; }
.micro-list { display: flex; flex-direction: column; gap: 10px; }
.micro-item {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.micro-item.done { opacity: 0.6; }
.micro-item.done .micro-item-step { text-decoration: line-through; }
.micro-check {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-primary);
  border-radius: 4px;
  flex-shrink: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  transition: background var(--transition);
  margin-top: 1px;
}
.micro-check.checked {
  background: var(--color-success);
  border-color: var(--color-success);
  color: #fff;
  font-size: 0.7rem;
}
.micro-item-body { flex: 1; }
.micro-item-project {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--color-primary);
  margin-bottom: 3px;
}
.micro-item-step { font-size: 0.9rem; line-height: 1.45; }
.micro-item-delete {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0 2px;
  line-height: 1;
  opacity: 0.5;
  transition: opacity var(--transition);
  flex-shrink: 0;
}
.micro-item-delete:hover { opacity: 1; }
.micro-empty {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  padding: 30px 0;
}

/* ---- 5 PORQUÉS ---- */
.porques-info {
  background: var(--color-surface-alt);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 12px 16px;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.porques-card {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.porques-step-indicator {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  align-items: center;
  flex-wrap: wrap;
}
.porques-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}
.porques-dot.active {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
}
.porques-dot.done {
  border-color: var(--color-success);
  background: var(--color-success);
  color: #fff;
}
.porques-connector {
  flex: 1;
  min-width: 12px;
  height: 2px;
  background: var(--color-border);
}

.porques-question {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.35;
}
.porques-context {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 14px;
  font-style: italic;
  line-height: 1.4;
}

.porques-chain { margin-bottom: 20px; }
.porques-chain-item {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 0.88rem;
}
.porques-chain-num {
  font-weight: 700;
  color: var(--color-primary);
  flex-shrink: 0;
  min-width: 20px;
}
.porques-chain-text { color: var(--color-text-muted); line-height: 1.45; }

.porques-result {
  background: linear-gradient(135deg, var(--color-success-bg) 0%, #F0FAF4 100%);
  border: 2px solid var(--color-success);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-top: 8px;
  animation: fadeIn 0.4s ease;
  text-align: center;
}
.porques-result-emoji { font-size: 2rem; margin-bottom: 8px; display: block; }
.porques-result-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--color-success);
  margin-bottom: 8px;
}
.porques-result-value {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: 8px;
}
.porques-result-quote {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  font-style: italic;
}
.porques-task-tag {
  display: inline-block;
  background: var(--color-primary-light);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
}

/* ---- EMOCIONES ---- */
.emo-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 24px;
}
.emo-btn {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 12px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.emo-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-alt);
  transform: translateY(-1px);
}
.emo-btn.active {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, #EAF5F2, #F5FAF8);
  box-shadow: 0 0 0 3px rgba(74,124,111,0.12);
}
.emo-btn-emoji { font-size: 1.8rem; line-height: 1; }
.emo-btn-name { font-size: 0.85rem; font-weight: 700; color: var(--color-text); }
.emo-btn-sub { font-size: 0.72rem; color: var(--color-text-muted); line-height: 1.3; }

.emo-technique {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 22px 20px;
  animation: fadeIn 0.35s ease;
}
.emo-technique-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-border);
}
.emo-technique-emoji { font-size: 2rem; }
.emo-technique-name { font-size: 1.1rem; font-weight: 800; margin-bottom: 2px; }
.emo-technique-tagline { font-size: 0.8rem; color: var(--color-text-muted); }

.emo-insight {
  background: var(--color-surface-alt);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 0.88rem;
  line-height: 1.55;
  margin-bottom: 16px;
  color: var(--color-text);
}
.emo-insight strong { color: var(--color-primary-dark); }

.emo-strategy-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.emo-strategy-text {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 16px;
  color: var(--color-text);
}

.emo-exercise {
  border: 1.5px solid var(--color-primary-light);
  border-radius: var(--radius-md);
  padding: 16px;
  background: linear-gradient(135deg, #EAF5F2, #F5FAF8);
}
.emo-exercise-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.emo-exercise-steps { display: flex; flex-direction: column; gap: 8px; }
.emo-exercise-step {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.88rem;
  line-height: 1.45;
}
.emo-step-num {
  background: var(--color-primary);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ---- PLAN ---- */
.plan-sources {
  display: grid;
  gap: 10px;
  margin-bottom: 24px;
}
.plan-source-item {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
}
.plan-source-icon { font-size: 1.2rem; flex-shrink: 0; }
.plan-source-label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.4px; color: var(--color-text-muted); font-weight: 600; }
.plan-source-value { font-weight: 600; color: var(--color-text); }
.plan-source-empty { color: var(--color-text-muted); font-style: italic; }

.plan-techniques-section { margin-bottom: 24px; }
.plan-techniques-section h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.plan-techniques-section .sub { font-size: 0.83rem; color: var(--color-text-muted); margin-bottom: 14px; }
.plan-techniques-list { display: flex; flex-direction: column; gap: 8px; }
.plan-technique-option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  padding: 10px 12px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  transition: all var(--transition);
}
.plan-technique-option:hover { border-color: var(--color-primary-light); }
.plan-technique-option.selected {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, #EAF5F2, #f8fffc);
}
.plan-technique-option input[type="checkbox"] {
  margin-top: 2px;
  accent-color: var(--color-primary);
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}
.plan-technique-name { font-size: 0.9rem; font-weight: 600; line-height: 1.3; }
.plan-technique-desc { font-size: 0.8rem; color: var(--color-text-muted); margin-top: 2px; line-height: 1.4; }

.plan-card {
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  margin-top: 8px;
  animation: fadeIn 0.4s ease;
}
.plan-card-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: 4px;
}
.plan-card-date {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}
.plan-section {
  margin-bottom: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-border);
}
.plan-section:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.plan-section-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-primary);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.plan-section-content { font-size: 0.9rem; line-height: 1.6; }
.plan-section-list { display: flex; flex-direction: column; gap: 6px; }
.plan-list-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.88rem;
  line-height: 1.45;
}
.plan-bullet {
  color: var(--color-primary);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}
.plan-commitment {
  background: linear-gradient(135deg, var(--color-success-bg), #F0FAF4);
  border: 1.5px solid var(--color-success);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-size: 0.9rem;
  line-height: 1.55;
}
.plan-commitment strong { color: var(--color-primary-dark); display: block; margin-bottom: 4px; }

.plan-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.plan-no-data {
  text-align: center;
  padding: 40px 20px;
  color: var(--color-text-muted);
}
.plan-no-data .big-emoji { font-size: 3rem; margin-bottom: 12px; display: block; }
.plan-no-data p { font-size: 0.9rem; line-height: 1.6; margin-bottom: 6px; }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  text-decoration: none;
  line-height: 1;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn-accent {
  background: var(--color-accent);
  color: #fff;
}
.btn-accent:hover:not(:disabled) {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn-outline:hover:not(:disabled) {
  background: var(--color-surface-alt);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1.5px solid var(--color-border);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--color-surface-alt);
  color: var(--color-text);
}

.btn-sm { padding: 7px 14px; font-size: 0.82rem; }
.btn-full { width: 100%; }

.btn-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ---- ALERTS / TOASTS ---- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--color-text);
  color: #fff;
  padding: 10px 18px;
  border-radius: 24px;
  font-size: 0.85rem;
  font-weight: 500;
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
  white-space: nowrap;
  max-width: 90vw;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast.success { background: var(--color-success); }

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

/* ---- FOOTER ---- */
.app-footer {
  background: var(--color-surface-alt);
  border-top: 1px solid var(--color-border);
  padding: 16px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}
.app-footer a { color: var(--color-primary); text-decoration: none; font-weight: 500; }
.app-footer a:hover { text-decoration: underline; }

/* ---- RESPONSIVE: tablet+ ---- */
@media (min-width: 560px) {
  .tools-grid { grid-template-columns: 1fr 1fr; }
  .emo-selector { grid-template-columns: repeat(3, 1fr); }
  .header-title { font-size: 1.1rem; }
  .section-title { font-size: 1.5rem; }
}

@media (min-width: 720px) {
  .app-main { padding: 32px 24px 48px; }
  .plan-actions { flex-wrap: nowrap; }
}

/* =========================================================
   PRINT STYLES
   ========================================================= */
@media print {
  .app-header, .app-nav, .app-footer,
  .plan-actions, .plan-sources, .plan-techniques-section,
  .btn, .nav-btn { display: none !important; }

  body { background: #fff; color: #000; font-size: 11pt; }

  .section { display: none !important; }
  .section#plan { display: block !important; }

  .plan-card {
    border: 2px solid #4A7C6F;
    border-radius: 0;
    padding: 16px;
    break-inside: avoid;
  }
  .plan-section { break-inside: avoid; }

  .app-main { padding: 0; max-width: 100%; }

  .print-footer {
    margin-top: 24px;
    padding-top: 12px;
    border-top: 1px solid #ccc;
    font-size: 9pt;
    color: #666;
    text-align: center;
  }
}