/* ═══════════════════════════════════════════
   ONCE OS — v0.2
   Palette: Soft Navy · Warm Accents
═══════════════════════════════════════════ */

:root {
  --bg:        #0d1b2e;
  --surface:   #122140;
  --card:      #162848;
  --card2:     #1c3158;
  --card3:     #203868;
  --border:    rgba(160,200,255,0.08);
  --glass:     rgba(18,36,68,0.72);

  --accent:     #7eb8f7;
  --accent-2:   #a8d0fb;
  --accent-3:   #c8e5ff;
  --accent-dim: rgba(126,184,247,0.13);
  --accent-glow:rgba(126,184,247,0.22);

  --rose:       #f4a0be;
  --rose-dim:   rgba(244,160,190,0.13);
  --lavender:   #b8a8f4;
  --mint:       #80d4c0;

  --text:       #dce8f8;
  --text-sub:   #8aaac8;
  --text-muted: #4e6a88;

  --radius-sm:  12px;
  --radius-md:  18px;
  --radius-lg:  24px;
  --radius-xl:  32px;

  --nav-h:      72px;
  --header-h:   70px;
  --sidebar-w:  240px;

  --font-display: 'DM Serif Display', serif;
  --font-body:    'DM Sans', sans-serif;
}

body[data-theme="soft"] {
  --bg:        #eef3fc;
  --surface:   #e2ecfa;
  --card:      #d8e6f8;
  --card2:     #f0f6ff;
  --card3:     #ffffff;
  --border:    rgba(80,130,220,0.10);
  --glass:     rgba(220,236,255,0.80);

  --accent:     #3d7fd4;
  --accent-2:   #6da4e8;
  --accent-3:   #9cc2f4;
  --accent-dim: rgba(61,127,212,0.09);
  --accent-glow:rgba(61,127,212,0.15);

  --rose:       #d95e84;
  --lavender:   #7058c0;

  --text:       #0a1e38;
  --text-sub:   #3a5880;
  --text-muted: #7a98b8;
}

body[data-color="rose"]     { --accent:#f4a0be; --accent-2:#f8c0d4; --accent-dim:rgba(244,160,190,.13); --accent-glow:rgba(244,160,190,.20); }
body[data-color="lavender"] { --accent:#b8a8f4; --accent-2:#d0c8f8; --accent-dim:rgba(184,168,244,.13); --accent-glow:rgba(184,168,244,.20); }
body[data-color="mint"]     { --accent:#80d4c0; --accent-2:#a4e4d4; --accent-dim:rgba(128,212,192,.13); --accent-glow:rgba(128,212,192,.20); }
body[data-color="peach"]    { --accent:#f4b88a; --accent-2:#f8cca8; --accent-dim:rgba(244,184,138,.13); --accent-glow:rgba(244,184,138,.20); }
body[data-color="sky"]      { --accent:#7eb8f7; --accent-2:#a8d0fb; --accent-dim:rgba(126,184,247,.13); --accent-glow:rgba(126,184,247,.20); }

/* ════════ RESET ════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-tap-highlight-color: transparent; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  overflow-x: hidden;
  transition: background 0.4s ease, color 0.4s ease;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 45% at 15% 8%, rgba(126,184,247,0.06) 0%, transparent 65%),
    radial-gradient(ellipse 45% 38% at 85% 92%, rgba(184,168,244,0.05) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

/* ════════ APP SHELL ════════ */
.app {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: linear-gradient(160deg, var(--bg) 0%, var(--surface) 100%);
}

@media (min-width: 900px) {
  .app {
    max-width: 860px;
    height: 100dvh;
    border-radius: 0;
    margin: 0 auto;
    box-shadow: none;
  }
}

/* ════════ HEADER ════════ */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(28px) saturate(1.6);
  -webkit-backdrop-filter: blur(28px) saturate(1.6);
  border-bottom: 1px solid var(--border);
  transition: background 0.4s ease;
}

.os-logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.08em;
  color: var(--text);
  user-select: none;
}
.os-accent { color: var(--accent); font-style: italic; }

/* ── Beautiful Clock ── */
.reloj-pill {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: 9px 26px 7px;
  background: linear-gradient(135deg,
    rgba(126,184,247,0.11) 0%,
    rgba(184,168,244,0.07) 100%
  );
  border: 1px solid rgba(126,184,247,0.16);
  border-radius: 50px;
  backdrop-filter: blur(16px);
  position: relative;
  animation: breathe 7s ease-in-out infinite;
  cursor: default;
  user-select: none;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1), inset 0 1px 0 rgba(126,184,247,0.08);
}

.reloj-pill::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 50px;
  background: linear-gradient(135deg, rgba(126,184,247,0.18), transparent 55%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.reloj-pill:hover::after { opacity: 1; }

@keyframes breathe {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.013); box-shadow: 0 6px 24px rgba(126,184,247,0.1); }
}

.reloj { display: flex; align-items: baseline; gap: 3px; line-height: 1; }

#hora {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: normal;
  letter-spacing: -0.01em;
  color: var(--text);
  line-height: 1;
}

#ampm {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  align-self: flex-start;
  margin-top: 6px;
}

.reloj-fecha {
  font-size: 0.6rem;
  color: var(--text-muted);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  margin-top: 1px;
}

.header-right { display: flex; gap: 8px; align-items: center; }

.icon-btn {
  width: 36px; height: 36px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  color: var(--text);
  transition: transform 0.2s, background 0.2s, box-shadow 0.2s;
}
.icon-btn:hover { transform: scale(1.1); background: var(--card2); box-shadow: 0 4px 12px rgba(0,0,0,0.12); }

/* ════════ MAIN CONTENT ════════ */
.app-content {
  flex: 1;
  min-height: 0;
  padding: 18px 16px 18px;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

/* ════════ SECTIONS ════════ */
section { animation: fadeUp 0.3s cubic-bezier(0.22,1,0.36,1) forwards; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.section-header { margin-bottom: 22px; }
.section-header h2 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--text);
  margin-bottom: 4px;
}
.section-sub { font-size: 0.83rem; color: var(--text-sub); }

.back-btn {
  background: none; border: none;
  color: var(--accent);
  font-size: 0.83rem;
  font-family: var(--font-body);
  font-weight: 500;
  cursor: pointer;
  padding: 0;
  margin-bottom: 10px;
  transition: opacity 0.2s;
}
.back-btn:hover { opacity: 0.7; }

.header-row { display: flex; align-items: center; justify-content: space-between; }

/* ════════ INICIO ════════ */
.inicio-card {
  background: linear-gradient(135deg, rgba(126,184,247,0.09), rgba(184,168,244,0.06));
  border: 1px solid rgba(126,184,247,0.12);
  border-radius: var(--radius-lg);
  padding: 22px 20px;
  margin-bottom: 14px;
  position: relative;
  overflow: hidden;
}

.inicio-card::after {
  content: '';
  position: absolute;
  top: -50px; right: -50px;
  width: 130px; height: 130px;
  background: radial-gradient(circle, rgba(126,184,247,0.1), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.saludo {
  font-size: 0.73rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 8px;
}

.frase {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 8px;
}

.subfrase { font-size: 0.8rem; color: var(--text-sub); }

.resumen-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 14px 0;
}

.resumen-pill {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  transition: background 0.2s;
}
.resumen-pill:hover { background: var(--card2); }

.r-icon { font-size: 1.2rem; }
.r-text { font-size: 0.76rem; color: var(--text-sub); line-height: 1.4; }

.widget-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-top: 12px;
}
.widget-title {
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 5px;
}
.widget-text { font-size: 0.88rem; color: var(--text-sub); }

/* ════════ GALLERY ════════ */
.insta-gallery {
  overflow: hidden;
  width: 100%;
  margin: 14px 0;
  border-radius: var(--radius-md);
}

.insta-track {
  display: flex;
  gap: 12px;
  width: max-content;
  animation: slide 34s linear infinite;
  will-change: transform;
}

.insta-gallery:hover .insta-track { animation-play-state: paused; }

@keyframes slide {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.insta-card {
  min-width: 148px;
  height: 195px;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
  box-shadow: 0 6px 20px rgba(0,0,0,0.16);
}

@media (max-width: 400px) {
  .insta-card { min-width: 70vw; height: 240px; }
}

.insta-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.insta-card:hover img { transform: scale(1.06); }

.insta-card span {
  position: absolute;
  bottom: 7px; left: 7px; right: 7px;
  font-size: 0.77rem;
  color: #fff;
  background: rgba(0,0,0,0.42);
  backdrop-filter: blur(8px);
  padding: 5px 9px;
  border-radius: 9px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ════════ POMODORO ════════ */
.pomodoro-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
}

.pom-modes {
  display: flex;
  gap: 6px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 5px;
}

.pom-mode-btn {
  background: none;
  border: none;
  border-radius: 50px;
  padding: 7px 15px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.pom-mode-btn.active {
  background: var(--accent);
  color: #0d1b2e;
  font-weight: 700;
}

body[data-theme="soft"] .pom-mode-btn.active { color: #fff; }

.pom-clock-container {
  position: relative;
  width: 230px;
  height: 230px;
}

@media (min-width: 600px) {
  .pom-clock-container { width: 270px; height: 270px; }
}

.pom-ring {
  position: absolute;
  inset: 0;
  transform: rotate(-90deg);
}

.pom-ring-track { fill: none; stroke: var(--card2); stroke-width: 5; }

.pom-ring-progress {
  fill: none;
  stroke: var(--accent);
  stroke-width: 5;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s linear, stroke 0.5s ease;
  filter: drop-shadow(0 0 6px var(--accent-glow));
}

.pom-inner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
}

.pom-label-top {
  font-size: 0.67rem;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: var(--text-muted);
  font-weight: 700;
}

.pom-time {
  font-family: var(--font-display);
  font-size: 3rem;
  line-height: 1;
  color: var(--text);
  letter-spacing: -0.02em;
}

@media (min-width: 600px) { .pom-time { font-size: 3.6rem; } }

.pom-sessions {
  display: flex;
  gap: 5px;
  margin-top: 6px;
}

.pom-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--card2);
  border: 1.5px solid var(--text-muted);
  transition: background 0.3s, border-color 0.3s;
}
.pom-dot.done { background: var(--accent); border-color: var(--accent); }

.pom-controls { display: flex; gap: 10px; align-items: center; }

.pom-btn {
  border: none;
  border-radius: 50px;
  font-family: var(--font-body);
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, opacity 0.2s, box-shadow 0.2s;
}
.pom-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,0,0,0.14); }
.pom-btn:active { transform: translateY(0); }

.pom-btn-main {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0d1b2e;
  padding: 13px 34px;
  font-size: 0.95rem;
}
body[data-theme="soft"] .pom-btn-main { color: #fff; }

.pom-btn-secondary {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text-sub);
  padding: 13px 18px;
  font-size: 0.82rem;
}

.pom-stats {
  display: flex;
  gap: 10px;
  width: 100%;
}

.pom-stat {
  flex: 1;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 10px;
  text-align: center;
}

.pom-stat-value {
  font-family: var(--font-display);
  font-size: 1.55rem;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 3px;
}

.pom-stat-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.pom-task-input {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 13px 16px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.88rem;
  outline: none;
  transition: border-color 0.2s;
}
.pom-task-input:focus { border-color: var(--accent); }
.pom-task-input::placeholder { color: var(--text-muted); }
body[data-theme="soft"] .pom-task-input { background: #fff; }

/* ════════ HORARIO ════════ */
.clase-banner {
  background: var(--accent-dim);
  border: 1px solid rgba(126,184,247,0.2);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 18px;
  font-size: 0.87rem;
  color: var(--text);
  line-height: 1.6;
  white-space: pre-line;
  display: none;
}
.clase-banner.visible { display: block; }

.horario-semana { display: flex; flex-direction: column; gap: 11px; }

.horario-dia {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.dia-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
}

.dia-nombre { font-family: var(--font-display); font-size: 1rem; color: var(--accent); }

.dia-badge {
  font-size: 0.67rem;
  background: var(--card2);
  color: var(--text-muted);
  border-radius: 20px;
  padding: 3px 10px;
  font-weight: 600;
}
.dia-badge.hoy { background: var(--accent); color: #0d1b2e; }
body[data-theme="soft"] .dia-badge.hoy { color: #fff; }

.clases-list { padding: 10px 16px 14px; display: flex; flex-direction: column; gap: 8px; }

.clase-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
}
.clase-item:last-child { border-bottom: none; }

.clase-hora {
  font-size: 0.72rem;
  color: var(--text-muted);
  white-space: pre-line;
  min-width: 78px;
  padding-top: 2px;
}

.clase-info h4 { font-size: 0.88rem; font-weight: 500; color: var(--text); margin-bottom: 2px; }
.clase-info p  { font-size: 0.74rem; color: var(--text-muted); }

.clase-item.activa {
  background: var(--accent-dim);
  border-radius: var(--radius-sm);
  padding: 9px 10px;
  margin: 0 -6px;
}
.clase-item.activa .clase-info h4 { color: var(--accent); }

/* ════════ TAREAS ════════ */
.tareas-form {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 15px;
}

.tareas-form input,
.tareas-form select {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 11px 13px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.88rem;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}
.tareas-form input:focus,
.tareas-form select:focus { border-color: var(--accent); }

body[data-theme="soft"] .tareas-form input,
body[data-theme="soft"] .tareas-form select { background: #fff; color: var(--text); }

.tareas-form select option { background: var(--surface); color: var(--text); }

.btn-agregar {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0d1b2e;
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  transition: transform 0.2s, opacity 0.2s;
}
body[data-theme="soft"] .btn-agregar { color: #fff; }
.btn-agregar:hover { opacity: 0.88; transform: translateY(-1px); }

.tareas-lista { display: flex; flex-direction: column; gap: 9px; }

.task-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 13px 15px;
  display: flex;
  align-items: flex-start;
  gap: 11px;
  transition: opacity 0.3s;
}
.task-card.completada { opacity: 0.44; }

.task-check {
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: none;
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  transition: background 0.2s;
}
.task-check.done { background: var(--accent); color: #0d1b2e; }
body[data-theme="soft"] .task-check.done { color: #fff; }

.task-info { flex: 1; }
.task-title { font-size: 0.88rem; font-weight: 500; color: var(--text); line-height: 1.4; }
.task-card.completada .task-title { text-decoration: line-through; color: var(--text-muted); }

.task-meta {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 4px;
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}

.task-materia-tag {
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 20px;
  padding: 2px 8px;
  font-size: 0.68rem;
  font-weight: 600;
}

.task-delete {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 4px;
  border-radius: 50%;
  transition: color 0.2s, background 0.2s;
  flex-shrink: 0;
}
.task-delete:hover { color: #f08080; background: rgba(240,128,128,0.09); }

.empty-tasks {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
  font-size: 0.88rem;
}
.empty-tasks span { font-size: 2.4rem; display: block; margin-bottom: 10px; }

/* ════════ UNIVERSIDAD ════════ */
.uni-list { display: flex; flex-direction: column; gap: 9px; }

.uni-row {
  display: flex;
  align-items: center;
  gap: 13px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 15px;
}
.uni-row.tappable { cursor: pointer; transition: transform 0.15s, background 0.15s; }
.uni-row.tappable:hover, .uni-row.tappable:active { transform: scale(0.99); background: var(--card2); }
.uni-row.hero-row { background: linear-gradient(135deg, var(--accent-dim), transparent); border-color: rgba(126,184,247,0.18); }
.uni-icon { font-size: 1.4rem; flex-shrink: 0; }
.uni-info { flex: 1; }
.uni-info h3 { font-size: 0.9rem; font-weight: 600; margin-bottom: 2px; }
.uni-info p  { font-size: 0.77rem; color: var(--text-sub); }
.chevron { font-size: 1.1rem; color: var(--text-muted); opacity: 0.5; }

.casillero-list { display: flex; flex-direction: column; gap: 9px; }

.casillero-row {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 15px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: transform 0.15s, background 0.15s;
}
.casillero-row:hover, .casillero-row:active { transform: scale(0.99); background: var(--card2); }
.casillero-row .chevron { margin-left: auto; }

.pdf-container { width: 100%; height: 72vh; border-radius: var(--radius-md); overflow: hidden; background: #000; }
.pdf-container iframe { width: 100%; height: 100%; border: none; }

/* ════════ ALMACENAMIENTO ════════ */
.storage-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; }

.storage-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 14px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  text-align: center;
}
.storage-card:hover, .storage-card:active { transform: translateY(-3px); box-shadow: 0 10px 26px rgba(0,0,0,0.14); }
.storage-card.accent-card { background: linear-gradient(135deg, var(--accent), var(--accent-2)); border-color: transparent; }
.storage-card.accent-card h3, .storage-card.accent-card p { color: #0d1b2e; }
body[data-theme="soft"] .storage-card.accent-card h3,
body[data-theme="soft"] .storage-card.accent-card p { color: #fff; }

.storage-icon { font-size: 1.9rem; display: block; margin-bottom: 8px; }
.storage-card h3 { font-size: 0.9rem; font-weight: 600; margin-bottom: 4px; }
.storage-card p  { font-size: 0.76rem; color: var(--text-sub); }

.apps-list { display: flex; flex-direction: column; gap: 9px; }

.app-row {
  display: flex; align-items: center; gap: 13px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 15px;
  cursor: pointer; transition: transform 0.15s, background 0.15s;
}
.app-row:hover, .app-row:active { transform: scale(0.99); background: var(--card2); }
.app-icon { font-size: 1.6rem; flex-shrink: 0; }
.app-row div { flex: 1; }
.app-row h3 { font-size: 0.9rem; font-weight: 600; margin-bottom: 2px; }
.app-row p  { font-size: 0.76rem; color: var(--text-sub); }

/* ════════ GALERÍA ════════ */
.upload-fab {
  width: 38px; height: 38px;
  background: var(--accent);
  color: #0d1b2e;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; cursor: pointer;
  transition: transform 0.2s, opacity 0.2s;
  flex-shrink: 0;
}
.upload-fab:hover { transform: scale(1.1); opacity: 0.9; }
body[data-theme="soft"] .upload-fab { color: #fff; }

.galeria-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }

.media-wrapper {
  position: relative; border-radius: var(--radius-sm);
  overflow: hidden; aspect-ratio: 1;
}
.media-wrapper img, .media-wrapper video {
  width: 100%; height: 100%; object-fit: cover;
  cursor: pointer; transition: transform 0.3s;
}
.media-wrapper:hover img, .media-wrapper:hover video { transform: scale(1.04); }

.delete-btn {
  position: absolute; top: 6px; right: 6px;
  background: rgba(0,0,0,0.58); color: #fff;
  border: none; border-radius: 50%;
  width: 24px; height: 24px; font-size: 0.62rem;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background 0.2s; z-index: 2;
}
.delete-btn:hover { background: #ef4444; }

/* ════════ PERFIL ════════ */
.perfil-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px 20px;
  display: flex; flex-direction: column; align-items: center; gap: 22px;
}

.perfil-avatar-wrap { position: relative; }

.perfil-avatar-label {
  display: flex; align-items: center; justify-content: center;
  width: 88px; height: 88px; border-radius: 50%;
  background: var(--accent-dim); border: 2px solid var(--accent);
  cursor: pointer; position: relative;
  transition: background 0.2s, box-shadow 0.2s;
}
.perfil-avatar-label:hover { background: var(--accent-glow); box-shadow: 0 0 0 4px rgba(126,184,247,0.09); }

.perfil-emoji { font-size: 2.8rem; }

.edit-badge {
  position: absolute; bottom: 3px; right: 3px;
  background: var(--accent); border-radius: 50%;
  width: 22px; height: 22px; font-size: 0.65rem;
  display: flex; align-items: center; justify-content: center;
}

.perfil-fields { width: 100%; display: flex; flex-direction: column; gap: 11px; }

.field-label {
  font-size: 0.7rem; text-transform: uppercase;
  letter-spacing: 0.09em; color: var(--text-muted); font-weight: 600;
}

.perfil-input {
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text); padding: 12px 13px;
  border-radius: var(--radius-sm); font-family: var(--font-body);
  font-size: 0.88rem; outline: none; width: 100%;
  transition: border-color 0.2s;
}
.perfil-input:focus { border-color: var(--accent); }
body[data-theme="soft"] .perfil-input { background: #fff; color: var(--text); }

.color-picker { display: flex; gap: 9px; flex-wrap: wrap; }

.color-dot {
  width: 30px; height: 30px; border-radius: 50%;
  border: 3px solid transparent; cursor: pointer;
  transition: transform 0.2s, border-color 0.2s;
}
.color-dot:hover { transform: scale(1.15); }
.color-dot.active { border-color: var(--text); transform: scale(1.1); }

.btn-guardar {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0d1b2e; border: none; border-radius: var(--radius-sm);
  padding: 13px; font-family: var(--font-body); font-weight: 700;
  font-size: 0.9rem; cursor: pointer; margin-top: 5px;
  transition: opacity 0.2s, transform 0.2s;
}
.btn-guardar:hover { opacity: 0.88; transform: translateY(-1px); }
body[data-theme="soft"] .btn-guardar { color: #fff; }

/* ════════ NAV ════════ */
.app-nav {
  position: relative;
  flex-shrink: 0;
  width: 100%;
  height: var(--nav-h);
  display: flex;
  justify-content: space-around;
  align-items: center;
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  backdrop-filter: blur(28px) saturate(1.6);
  -webkit-backdrop-filter: blur(28px) saturate(1.6);
  border-top: 1px solid var(--border);
  z-index: 100;
  padding: 0 8px;
  padding-bottom: env(safe-area-inset-bottom, 0);
  transition: background 0.4s;
}

.nav-btn {
  background: none; border: none;
  font-size: 1.35rem; color: var(--text-muted);
  cursor: pointer; padding: 10px 11px;
  border-radius: var(--radius-sm);
  transition: color 0.2s, transform 0.15s, background 0.2s;
  display: flex; align-items: center; justify-content: center;
}
.nav-btn:hover { color: var(--accent); background: var(--accent-dim); transform: translateY(-2px); }
.nav-btn.active { color: var(--accent); background: var(--accent-dim); }

.nav-logo img {
  width: 25px; height: 25px; object-fit: contain;
  filter: brightness(0.82) saturate(0.7);
  transition: filter 0.2s, transform 0.2s;
}
.nav-btn.active .nav-logo img, .nav-btn:hover .nav-logo img {
  filter: brightness(1.1) saturate(1.2);
  transform: scale(1.08);
}

/* ════════ VIEWER ════════ */
.viewer {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.97);
  display: flex; align-items: center; justify-content: center;
  z-index: 9999;
}
.viewer img, .viewer video { max-width: 95%; max-height: 90dvh; border-radius: var(--radius-sm); object-fit: contain; }

.cerrar-viewer {
  position: absolute; top: 20px; right: 20px;
  background: rgba(255,255,255,0.1); border: none; color: #fff;
  font-size: 1.1rem; width: 42px; height: 42px; border-radius: 50%;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background 0.2s; z-index: 10000;
}
.cerrar-viewer:hover { background: rgba(255,255,255,0.22); }

/* ════════ TOAST ════════ */
.toast {
  position: fixed;
  bottom: calc(var(--nav-h) + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(14px);
  background: var(--card2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 20px;
  border-radius: 50px;
  font-size: 0.8rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s, transform 0.28s;
  backdrop-filter: blur(12px);
  white-space: nowrap;
  z-index: 500;
  box-shadow: 0 4px 18px rgba(0,0,0,0.18);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ════════ EMPTY STATE ════════ */
.empty-state { text-align: center; padding: 56px 20px; color: var(--text-muted); }
.empty-state span { font-size: 2.8rem; display: block; margin-bottom: 12px; }
.empty-state p { font-size: 0.9rem; margin-bottom: 5px; }
.empty-state small { font-size: 0.76rem; }

/* ════════ RESPONSIVE ════════ */
@media (min-width: 600px) {
  .storage-grid { grid-template-columns: repeat(4, 1fr); }
  .galeria-grid { grid-template-columns: repeat(4, 1fr); }
  .tareas-form { grid-template-columns: 1fr 1fr; }
  .tareas-form input[type="text"] { grid-column: 1 / -1; }
  .tareas-form .btn-agregar { grid-column: 1 / -1; }
  .horario-semana { display: grid; grid-template-columns: 1fr 1fr; }
}

@media (min-width: 900px) {
  .horario-semana { grid-template-columns: repeat(3, 1fr); }
  .uni-list { display: grid; grid-template-columns: 1fr 1fr; }
  .uni-row.hero-row { grid-column: 1 / -1; }
  .apps-list { display: grid; grid-template-columns: 1fr 1fr; }
  .casillero-list { display: grid; grid-template-columns: 1fr 1fr; }
  .pomodoro-wrap { max-width: 540px; margin: 0 auto; }
}