/* ═══════════════════════════════════════════════════════════════
   RESONANCE STUDIO — Mobile UX Upgrade
   1. More solid panels for readability
   2. Quick-actions grid below canvas (uses blank space)
   3. Larger touch targets on bottom toolbar
   4. Easier bottom sheet pull-up (larger handle area)
   5. Enhanced popup panel responsiveness
═══════════════════════════════════════════════════════════════ */

/* ── 1. SOLID PANELS (not semi-transparent) ─────────────────── */
.rs-bottom-sheet {
  background: rgba(12, 12, 20, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-top: 1.5px solid rgba(255,78,205,0.2);
}

.rds-sidebar {
  background: rgba(12, 12, 20, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.rds-right-panel {
  background: rgba(12, 12, 20, 0.97);
}

/* ── 2. QUICK-ACTIONS GRID below canvas (uses blank space) ── */
@media (max-width: 767px) {
  .rds-mobile-quick-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    padding: 10px 12px;
    background: rgba(12,12,20,0.95);
    border-top: 1px solid rgba(255,255,255,0.06);
    position: fixed;
    bottom: calc(64px + env(safe-area-inset-bottom, 0px));
    left: 0;
    right: 0;
    z-index: 350;
  }

  .rds-mq-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 10px 4px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.04);
    color: rgba(255,255,255,0.65);
    font-size: 9px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.15s;
    min-height: 52px;
  }

  .rds-mq-btn:active {
    background: rgba(255,78,205,0.12);
    border-color: rgba(255,78,205,0.3);
    color: #ff4ecd;
    transform: scale(0.95);
  }

  .rds-mq-btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
  }

  /* Adjust canvas area to leave room for quick grid */
  .rds-canvas-area {
    padding-bottom: 0;
  }
}

/* Hide quick grid on desktop */
@media (min-width: 768px) {
  .rds-mobile-quick-grid { display: none; }
}

/* ── 3. LARGER MOBILE TOOLBAR (bigger touch targets) ─────── */
@media (max-width: 767px) {
  .rds-mobile-toolbar {
    height: calc(64px + env(safe-area-inset-bottom, 0px));
    padding-bottom: env(safe-area-inset-bottom, 0px);
    background: rgba(8, 8, 14, 0.98);
    border-top: 1.5px solid rgba(255,78,205,0.15);
    gap: 0;
  }

  .rds-mob-btn {
    height: 62px;
    gap: 4px;
    font-size: 10px;
    font-weight: 700;
    color: rgba(255,255,255,0.5);
    padding: 6px 0;
    min-width: 56px;
  }

  .rds-mob-btn svg {
    width: 22px;
    height: 22px;
  }

  .rds-mob-btn:active {
    color: #ff4ecd;
    background: rgba(255,78,205,0.08);
  }

  .rds-mob-btn--save {
    color: #ff4ecd;
  }

  .rds-mob-btn--save::before {
    width: 48px;
    height: 48px;
    top: 6px;
    background: rgba(255,78,205,0.1);
    border: 1.5px solid rgba(255,78,205,0.35);
  }
}

/* ── 4. EASIER BOTTOM SHEET (larger handle, swipe area) ──── */
@media (max-width: 767px) {
  .rs-bottom-sheet {
    max-height: 70vh;
    border-radius: 20px 20px 0 0;
    box-shadow: 0 -8px 40px rgba(0,0,0,0.5);
  }

  .rs-bottom-sheet__handle {
    width: 48px;
    height: 5px;
    margin: 14px auto 10px;
    background: rgba(255,255,255,0.3);
    border-radius: 3px;
    cursor: grab;
  }

  /* Add a larger invisible tap area around handle */
  .rs-bottom-sheet__handle::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 36px;
    cursor: grab;
  }

  .rs-bottom-sheet__tabs {
    min-height: 44px;
    border-bottom: 1.5px solid rgba(255,255,255,0.08);
  }

  .rs-bottom-sheet__tab {
    min-height: 44px;
    font-size: 12px;
    font-weight: 700;
    padding: 0 12px;
  }

  .rs-bottom-sheet__content {
    padding: 14px 16px;
    font-size: 13px;
  }
}

/* Fix handle pseudo positioning */
.rs-bottom-sheet__handle {
  position: relative;
}

/* ── 5. PANEL CONTENT — larger text, better spacing ──────── */
@media (max-width: 767px) {
  /* Tool buttons inside bottom sheet panels */
  .rs-bottom-sheet .rs-btn,
  .rs-bottom-sheet .sa-shape-btn,
  .rs-bottom-sheet .sa-effect-btn,
  .rs-bottom-sheet .sp-paint-btn,
  .rs-bottom-sheet .sp-effect-btn,
  .rs-bottom-sheet .sp-shape-btn,
  .rs-bottom-sheet .sp-add-btn {
    min-height: 44px;
    font-size: 12px;
  }

  .rs-bottom-sheet .sa-shape-grid,
  .rs-bottom-sheet .sp-shape-grid {
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    gap: 8px;
  }

  .rs-bottom-sheet .sa-effects-grid,
  .rs-bottom-sheet .sp-effects-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .rs-bottom-sheet .sp-paint-tools {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  /* Section headers in bottom sheet — bigger tap area */
  .rs-bottom-sheet .sp-section-header {
    padding: 12px 14px;
    min-height: 44px;
  }

  .rs-bottom-sheet .sp-section-title {
    font-size: 13px;
  }

  /* Inputs inside panels */
  .rs-bottom-sheet input[type="range"] {
    height: 8px;
    margin: 8px 0;
  }

  .rs-bottom-sheet .sp-search-input,
  .rs-bottom-sheet .sa-font-search,
  .rs-bottom-sheet .sa-clipart-search {
    min-height: 40px;
    font-size: 14px;
    padding: 10px 14px;
  }

  /* Category tabs — bigger */
  .rs-bottom-sheet .sp-cat-btn,
  .rs-bottom-sheet .sa-font-cat-btn,
  .rs-bottom-sheet .sa-clipart-cat-btn {
    min-height: 34px;
    padding: 6px 14px;
    font-size: 11px;
  }
}

/* ── 6. MOBILE TITLE INPUT ROW (inside quick grid) ─────────── */
@media (max-width: 767px) {
  .rds-mq-title-row {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0;
    margin-bottom: 2px;
  }

  .rds-mq-title-input {
    flex: 1;
    height: 36px;
    padding: 0 12px;
    border-radius: 8px;
    border: 1.5px solid rgba(255,255,255,0.12);
    background: rgba(255,255,255,0.06);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
  }

  .rds-mq-title-input:focus {
    border-color: #ff4ecd;
    background: rgba(255,78,205,0.06);
  }

  .rds-mq-title-input::placeholder {
    color: rgba(255,255,255,0.35);
    font-weight: 400;
  }

  .rds-mq-title-status {
    font-size: 14px;
    color: #4ade80;
    flex-shrink: 0;
    width: 20px;
    text-align: center;
  }

  /* Save button highlight */
  .rds-mq-btn--save {
    border-color: rgba(255,78,205,0.3);
    background: rgba(255,78,205,0.08);
    color: #ff4ecd;
  }
}

/* Hide title row on desktop (not needed — topbar has it) */
@media (min-width: 768px) {
  .rds-mq-title-row { display: none; }
}

/* ── 7. SAVE POPUP MENU ────────────────────────────────────── */
.rds-save-popup {
  display: none;
  position: fixed;
  bottom: calc(130px + env(safe-area-inset-bottom, 0px) + 52px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(12, 12, 20, 0.98);
  border: 1.5px solid rgba(255,78,205,0.2);
  border-radius: 12px;
  padding: 6px;
  z-index: 450;
  box-shadow: 0 -4px 24px rgba(0,0,0,0.5);
  min-width: 160px;
}

.rds-save-popup.is-visible {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.rds-save-popup-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: rgba(255,255,255,0.8);
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.12s;
  text-align: left;
  width: 100%;
}

.rds-save-popup-btn:hover,
.rds-save-popup-btn:active {
  background: rgba(255,78,205,0.1);
  color: #fff;
}