/* ══════════════════════════════════════
   MOBILE STYLES
══════════════════════════════════════ */

/* ── MOBILE TABS (bottom nav) ── */
.mobile-tabs{
  background:linear-gradient(180deg,rgba(13,13,26,.96),rgba(13,13,26,.98));
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-top:1px solid var(--border);
  flex-shrink:0;
  padding-bottom:env(safe-area-inset-bottom,0px);
}
.mobile-tabs .tab-bar{display:flex}
.tab-btn{
  flex:1;display:flex;flex-direction:column;align-items:center;
  padding:10px 4px 8px;font-family:'Cairo',sans-serif;font-size:.6rem;
  color:var(--dim2);border:none;background:transparent;cursor:pointer;
  gap:3px;transition:color var(--transition-med);position:relative;
  -webkit-tap-highlight-color:transparent;
}
.tab-btn .ticon{font-size:1.15rem;transition:transform var(--transition-med)}
.tab-btn.active{color:var(--accent)}
.tab-btn.active .ticon{transform:scale(1.15)}
.tab-btn.active::after{content:'';position:absolute;top:0;left:25%;right:25%;height:2px;background:var(--accent);border-radius:0 0 2px 2px}

/* ── MOBILE PANELS ── */
.mobile-panels{
  overflow-y:auto;
  flex:1;position:relative;min-height:0;
  background:var(--panel);
  border-top:1px solid var(--border);
  -webkit-overflow-scrolling:touch;
}
.mobile-panel{
  display:none;
  overflow-y:auto;
  padding:16px;
  animation:panelFadeIn .25s ease;
  -webkit-overflow-scrolling:touch;
}
.mobile-panel.active{display:block}
@keyframes panelFadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* ══════════════════════════════════
   MOBILE BREAKPOINT (≤900px)
══════════════════════════════════ */
@media(max-width:900px){
  /* ── App body: compact card area, no sidebars ── */
  .app-body{
    display:flex;
    flex-direction:column;
    flex:0 0 auto;        /* take content size */
    min-height:0;
    max-height:45vh;      /* cap card area so panels get space */
    overflow:hidden;
  }
  .sidebar-left,.sidebar-right{display:none!important}

  /* ── Canvas area: center the card nicely ── */
  .canvas-area{
    padding:10px 10px 6px;overflow:hidden;
    background:radial-gradient(ellipse at 50% 0%,#1a0a2e 0%,#08080d 80%);
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    flex:1;
    min-height:0;
  }
  .canvas-tpl-section{display:none}
  #preview-card{margin:0 auto}

  /* ── Mobile tabs: fixed at bottom ── */
  .mobile-tabs{
    display:block;
    flex-shrink:0;
    order:100;
  }
  /* ── Mobile panels: fill remaining space, scrollable ── */
  .mobile-panels{
    display:block;
    flex:1;
    overflow-y:auto;
    order:50;
    min-height:0;
    -webkit-overflow-scrolling:touch;
  }
  .mobile-panel{
    overflow-y:auto;
    padding:16px 14px;
    -webkit-overflow-scrolling:touch;
  }

  /* ── App wrapper background ── */
  .app-wrap{background:radial-gradient(ellipse at 50% 0%,#1a0a2e 0%,#08080d 80%)}

  /* ── Topbar adjustments ── */
  .topbar-logo span{font-size:.88rem}
  .topbar{padding:10px 14px}

  /* ── Form sizing ── */
  .form-label{font-size:.76rem}
  .srow .lbl{font-size:.74rem}
  .srow .val{font-size:.74rem}
  .crow label{font-size:.74rem}
  .trow label.lbl{font-size:.74rem}

  /* ── Make range sliders more touch-friendly ── */
  input[type=range]{
    height:24px;
    min-width:100px;
  }

  /* ── Template grid ── */
  .tpl-grid{gap:6px}
  .schip{font-size:.66rem;padding:5px 10px}

  /* ── Buttons ── */
  .btn{padding:9px 14px}
  .exp-btn{padding:14px 6px}

  /* ── Preview label ── */
  .prev-lbl{font-size:.68rem;margin-bottom:8px;padding:3px 10px}

  /* ── Card internal scaling for mobile ──
     Uses --card-scale CSS variable set by JS.
     Minimum scale of 0.6 is enforced in app.js so
     elements never become too small to read. */
  #preview-card .clogo-row{
    padding:calc(16px * var(--card-scale, 1)) calc(20px * var(--card-scale, 1)) calc(6px * var(--card-scale, 1));
    gap:calc(12px * var(--card-scale, 1));
  }
  #preview-card .cbadge{
    padding:calc(3px * var(--card-scale, 1)) calc(12px * var(--card-scale, 1));
    font-size:calc(.82rem * var(--card-scale, 1));
  }
  #preview-card .cbreak-wrap{
    padding:0 calc(20px * var(--card-scale, 1));
    margin-bottom:calc(6px * var(--card-scale, 1));
  }
  #preview-card .cbreak{
    gap:calc(8px * var(--card-scale, 1));
    padding:calc(5px * var(--card-scale, 1)) calc(14px * var(--card-scale, 1)) calc(5px * var(--card-scale, 1)) calc(12px * var(--card-scale, 1));
  }
  #preview-card .bdot{
    width:calc(8px * var(--card-scale, 1));
    height:calc(8px * var(--card-scale, 1));
  }
  #preview-card .cbody{
    padding:calc(14px * var(--card-scale, 1)) calc(20px * var(--card-scale, 1)) calc(18px * var(--card-scale, 1));
  }
  #preview-card .csource{
    font-size:calc(.76rem * var(--card-scale, 1));
  }
  #preview-card .cticker{
    padding:calc(5px * var(--card-scale, 1)) calc(20px * var(--card-scale, 1));
  }
  #preview-card .cbar{
    height:calc(4px * var(--card-scale, 1));
  }
}

/* ══════════════════════════════════
   SMALL MOBILE (≤480px)
══════════════════════════════════ */
@media(max-width:480px){
  .tpl-grid{grid-template-columns:1fr 1fr 1fr}
  .exp-grid{grid-template-columns:1fr 1fr}
  .topbar-actions .btn span{display:none}
  .topbar-logo span{font-size:.82rem}

  /* Tighter form spacing on small screens */
  .form-label{font-size:.72rem;margin-bottom:4px}
  .srow .lbl{font-size:.72rem}
  .crow label{font-size:.72rem}
  .trow label.lbl{font-size:.72rem}
  .slabel{font-size:.64rem;letter-spacing:2px;margin:16px 0 8px}

  /* Slightly smaller inputs */
  input[type=text],select,textarea{
    padding:8px 10px;
    font-size:.78rem;
  }
  textarea{min-height:60px}

  /* Tighter mobile panel padding */
  .mobile-panel{padding:14px 12px}

  /* Smaller chips */
  .schip{font-size:.62rem;padding:4px 8px}

  /* Even more compact card area on very small screens */
  .app-body{max-height:40vh}
  .canvas-area{padding:8px 8px 4px}
}