:root {
  --bg:    #0a0a0f; --bg-2: #111118; --bg-3: #18181f; --bg-4: #1f1f28;
  --border: rgba(255,255,255,0.08); --border-h: rgba(255,255,255,0.15);
  --text: #f0f0f5; --text-2: #a0a0b8; --text-3: #606078;
  --accent: #7c3aed; --accent-2: #a855f7; --accent-3: #c084fc;
  --gradient: linear-gradient(135deg,#7c3aed,#a855f7,#ec4899);
  --danger: #ef4444; --success: #10b981;
  --r: 12px; --r-lg: 20px; --r-xl: 28px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4); --shadow-lg: 0 8px 48px rgba(0,0,0,0.6);
  --ease: cubic-bezier(0.4,0,0.2,1); --t: all 0.2s var(--ease);
  --font: 'Inter',-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;overflow:hidden}

/* ── SCREENS ── */
.screen{display:none;width:100%;height:100%}
.screen.active{display:flex}

/* ── AUTH ── */
#auth-screen{align-items:center;justify-content:center;position:relative;overflow:hidden}
.auth-bg{position:absolute;inset:0}
.auth-blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.35;animation:blobFloat 8s ease-in-out infinite alternate}
.blob-1{width:500px;height:500px;background:radial-gradient(circle,#7c3aed,transparent 70%);top:-100px;left:-100px}
.blob-2{width:400px;height:400px;background:radial-gradient(circle,#ec4899,transparent 70%);bottom:-80px;right:-80px;animation-delay:-3s}
.blob-3{width:300px;height:300px;background:radial-gradient(circle,#a855f7,transparent 70%);top:50%;left:50%;transform:translate(-50%,-50%);animation-delay:-6s}
@keyframes blobFloat{from{transform:scale(1) translate(0,0)}to{transform:scale(1.15) translate(20px,-20px)}}
@keyframes loadBar{0%{transform:translateX(-100%)}50%{transform:translateX(0)}100%{transform:translateX(100%)}}

.auth-card{
  position:relative;z-index:1;
  background:rgba(17,17,24,.85);backdrop-filter:blur(24px);
  border:1px solid var(--border);border-radius:var(--r-xl);
  padding:40px;width:420px;
  box-shadow:var(--shadow-lg),0 0 0 1px rgba(124,58,237,.15)
}

/* ── BRAND LOGO ── */
.brand-logo{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.brand-icon{
  width:40px;height:40px;border-radius:10px;background:var(--gradient);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:800;color:#fff;flex-shrink:0;
  box-shadow:0 4px 16px rgba(124,58,237,.4)
}
.brand-icon.sm{width:32px;height:32px;font-size:16px;border-radius:8px}
.brand-name{
  font-size:24px;font-weight:800;letter-spacing:-.5px;
  background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text
}
.auth-tagline{font-size:13px;color:var(--text-2);margin-bottom:28px;line-height:1.5}

/* ── TABS ── */
.auth-tabs{display:flex;gap:4px;background:var(--bg-3);border:1px solid var(--border);border-radius:10px;padding:4px;margin-bottom:24px}
.auth-tab{flex:1;padding:8px 12px;border:none;border-radius:7px;background:transparent;color:var(--text-2);font-family:var(--font);font-size:13px;font-weight:500;cursor:pointer;transition:var(--t)}
.auth-tab.active{background:var(--bg-4);color:var(--text);box-shadow:0 1px 6px rgba(0,0,0,.3)}

/* ── FORMS ── */
.auth-form{display:flex;flex-direction:column;gap:16px}
.auth-form.hidden{display:none}
.auth-error{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.3);color:#fca5a5;padding:10px 14px;border-radius:8px;font-size:13px}

/* ── FIELD SYSTEM ── */
.field-group{display:flex;flex-direction:column;gap:8px}
.field-label{font-size:11px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--text-2)}
.field-input{
  background:var(--bg-3);border:1px solid var(--border);border-radius:var(--r);
  padding:10px 14px;font-family:var(--font);font-size:14px;color:var(--text);
  outline:none;transition:var(--t);width:100%
}
.field-input:focus{border-color:var(--accent-2);box-shadow:0 0 0 3px rgba(168,85,247,.15)}
.field-input::placeholder{color:var(--text-3)}
.field-hint{font-size:11px;color:var(--text-3);line-height:1.4}
.read-only-field{font-size:14px;color:var(--text-2);padding:10px 14px;background:var(--bg-3);border:1px solid var(--border);border-radius:var(--r)}

.val-pill{
  display:inline-block;background:rgba(168,85,247,.15);color:var(--accent-3);
  padding:1px 7px;border-radius:20px;font-size:10px;font-weight:700;letter-spacing:.03em;
  vertical-align:middle;margin-left:3px
}

/* ── BUTTONS ── */
.btn-primary{
  background:var(--gradient);border:none;border-radius:var(--r);
  padding:12px 24px;font-family:var(--font);font-size:14px;font-weight:600;
  color:#fff;cursor:pointer;transition:var(--t);position:relative;overflow:hidden
}
.btn-primary::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.15),transparent);opacity:0;transition:opacity .2s}
.btn-primary:hover::after{opacity:1}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 24px rgba(124,58,237,.4)}
.btn-primary:active{transform:translateY(0)}
.btn-primary:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.btn-full{width:100%}

.btn-ghost{
  background:transparent;border:1px solid var(--border);border-radius:8px;
  padding:7px 14px;font-family:var(--font);font-size:13px;font-weight:500;
  color:var(--text-2);cursor:pointer;transition:var(--t)
}
.btn-ghost:hover{border-color:var(--border-h);color:var(--text);background:var(--bg-3)}
.btn-ghost.sm{padding:5px 12px;font-size:12px;border-radius:6px}

/* ── PROFILE BUTTON ── */
.profile-btn{
  display:flex;align-items:center;gap:8px;padding:5px 12px 5px 5px;
  background:var(--bg-3);border:1px solid var(--border);border-radius:40px;
  cursor:pointer;transition:var(--t)
}
.profile-btn:hover{border-color:var(--border-h);background:var(--bg-4)}
.profile-avatar{
  width:28px;height:28px;border-radius:50%;background:var(--gradient);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:#fff;flex-shrink:0
}
.profile-name{font-size:13px;font-weight:500;color:var(--text);max-width:120px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.profile-chevron{color:var(--text-3);transition:transform .2s var(--ease)}
.profile-menu-wrap.open .profile-chevron{transform:rotate(180deg)}

/* ── PROFILE DROPDOWN ── */
.profile-menu-wrap{position:relative}
.profile-dropdown{
  position:absolute;top:calc(100% + 8px);right:0;
  width:220px;
  background:var(--bg-3);border:1px solid var(--border);border-radius:var(--r);
  box-shadow:var(--shadow-lg);z-index:200;
  animation:ddFadeIn .15s var(--ease)
}
@keyframes ddFadeIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
.profile-dd-header{
  display:flex;align-items:center;gap:10px;
  padding:14px 14px 10px
}
.profile-dd-avatar{
  width:36px;height:36px;border-radius:50%;background:var(--gradient);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:#fff;flex-shrink:0
}
.profile-dd-name{font-size:13px;font-weight:600;color:var(--text);line-height:1.2}
.profile-dd-email{font-size:11px;color:var(--text-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:140px}
.dropdown-divider{height:1px;background:var(--border);margin:0}
.dropdown-item{
  display:flex;align-items:center;gap:9px;
  width:100%;padding:10px 14px;
  background:none;border:none;border-radius:0;
  font-family:var(--font);font-size:13px;font-weight:500;color:var(--text-2);
  cursor:pointer;transition:var(--t);text-align:left
}
.dropdown-item:hover{background:var(--bg-4);color:var(--text)}
.dropdown-item.danger:hover{color:#fca5a5;background:rgba(239,68,68,.08)}
.dropdown-item:last-child{border-radius:0 0 var(--r) var(--r)}

/* ── APP LAYOUT ── */
#app-screen{flex-direction:column;height:100vh;overflow:hidden}
.app-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:0 20px;height:58px;border-bottom:1px solid var(--border);
  background:rgba(10,10,15,.9);backdrop-filter:blur(12px);flex-shrink:0;z-index:20
}
.header-left{display:flex;align-items:center;gap:10px}
.header-right{display:flex;align-items:center;gap:10px}
.app-main{display:flex;flex:1;overflow:hidden}

/* ── SIDEBAR ── */
.sidebar{
  width:288px;flex-shrink:0;
  background:var(--bg-2);border-right:1px solid var(--border);
  display:flex;flex-direction:column;overflow-y:auto
}
.sidebar::-webkit-scrollbar{width:4px}
.sidebar::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}

.sb-section{padding:20px;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:14px}
.sb-section:last-child{border-bottom:none}
.sb-bottom{margin-top:auto;border-top:1px solid var(--border);border-bottom:none}

.sb-title{font-size:10px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--text-3)}

/* ── TOGGLES ── */
.toggle-group{display:flex;gap:4px;background:var(--bg-3);border:1px solid var(--border);border-radius:8px;padding:3px}
.toggle-btn{flex:1;padding:7px 10px;border:none;border-radius:6px;background:transparent;color:var(--text-2);font-family:var(--font);font-size:12px;font-weight:600;cursor:pointer;transition:var(--t)}
.toggle-btn.active{background:var(--gradient);color:#fff}

.toggle-row{display:flex;align-items:center;justify-content:space-between;min-height:32px}
.toggle-switch{position:relative;display:inline-block;width:36px;height:20px;flex-shrink:0}
.toggle-switch input{opacity:0;width:0;height:0}
.toggle-track{position:absolute;inset:0;background:var(--bg-4);border:1px solid var(--border);border-radius:20px;cursor:pointer;transition:var(--t)}
.toggle-track::before{content:'';position:absolute;width:14px;height:14px;left:2px;top:2px;background:var(--text-3);border-radius:50%;transition:var(--t)}
.toggle-switch input:checked+.toggle-track{background:var(--accent);border-color:var(--accent)}
.toggle-switch input:checked+.toggle-track::before{transform:translateX(16px);background:#fff}

/* ── RANGE ── */
.field-range{width:100%;-webkit-appearance:none;appearance:none;height:4px;border-radius:4px;background:var(--bg-4);outline:none;cursor:pointer;margin-top:2px}
.field-range::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:var(--accent-2);box-shadow:0 0 0 3px rgba(168,85,247,.25);transition:var(--t)}
.field-range::-webkit-slider-thumb:hover{box-shadow:0 0 0 5px rgba(168,85,247,.3)}

/* ── COLOR ── */
.color-row{display:flex;align-items:center;gap:12px}
.color-swatch{width:36px;height:36px;border:2px solid var(--border);border-radius:8px;padding:0;cursor:pointer;background:none;outline:none;flex-shrink:0}
.color-swatch.lg{width:44px;height:44px;border-radius:10px}
.color-swatch::-webkit-color-swatch-wrapper{padding:2px;border-radius:6px}
.color-swatch::-webkit-color-swatch{border-radius:4px;border:none}

/* ── POSITION GRID ── */
.position-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:4px}
.pos-btn{aspect-ratio:1;border:1px solid var(--border);border-radius:6px;background:var(--bg-3);color:var(--text-2);font-size:14px;cursor:pointer;transition:var(--t);display:flex;align-items:center;justify-content:center}
.pos-btn:hover{border-color:var(--accent-2);color:var(--text);background:rgba(168,85,247,.1)}
.pos-btn.active{background:var(--gradient);border-color:transparent;color:#fff}

/* ── NOTICE BOX ── */
.notice-box{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:10px 12px;background:rgba(168,85,247,.08);
  border:1px solid rgba(168,85,247,.2);border-radius:8px;
  font-size:12px;color:var(--text-2)
}
.notice-link{background:none;border:none;color:var(--accent-3);font-size:12px;font-family:var(--font);cursor:pointer;text-decoration:underline;padding:0}

.batch-count{font-size:12px;color:var(--text-3);text-align:center}

/* ── CANVAS AREA ── */
.canvas-area{
  flex:1;position:relative;overflow:hidden;
  background:var(--bg);
  display:flex;align-items:center;justify-content:center
}
.canvas-area::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:28px 28px
}

/* ── UPLOAD ZONE ── */
.upload-zone-main{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;cursor:pointer;position:relative;z-index:1;
  width:100%;max-width:520px;padding:60px 40px;
  border:2px dashed var(--border);border-radius:var(--r-lg);
  background:rgba(17,17,24,.6);backdrop-filter:blur(8px);
  text-align:center;transition:var(--t)
}
.upload-zone-main:hover,.upload-zone-main.drag-over{border-color:var(--accent-2);background:rgba(124,58,237,.06)}
.upload-icon{color:var(--text-3)}
.upload-title{font-size:20px;font-weight:600;color:var(--text)}
.upload-sub{font-size:13px;color:var(--text-2)}

/* ── INFINITE CANVAS ── */
.canvas-viewport{position:absolute;inset:0;overflow:hidden;cursor:grab;user-select:none;z-index:1}
.canvas-viewport.panning{cursor:grabbing}
.canvas-world{position:absolute;top:0;left:0;display:flex;flex-direction:row;align-items:flex-start;gap:24px;padding:60px;transform-origin:0 0;will-change:transform}

/* ── PHOTO FRAMES ── */
.photo-frame{
  position:relative;flex-shrink:0;
  border-radius:var(--r);overflow:hidden;
  border:2px solid var(--border);transition:border-color .15s;
  box-shadow:var(--shadow)
}
.photo-frame:hover{border-color:var(--accent-2)}
/* Photo bg = native img (perfect quality at any zoom) */
.photo-bg-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
/* Watermark overlay = transparent canvas on top */
.wm-overlay-canvas{position:absolute;inset:0;pointer-events:none}
/* legacy — keep for safety */
.photo-display-canvas{display:block}
.frame-overlay{
  position:absolute;inset:0;opacity:0;transition:opacity .2s;
  background:linear-gradient(to top,rgba(0,0,0,.8) 0%,transparent 55%);
  display:flex;flex-direction:column;justify-content:flex-end;padding:12px;
  pointer-events:none
}
.photo-frame:hover .frame-overlay{opacity:1;pointer-events:auto}
.frame-name{font-size:11px;color:rgba(255,255,255,.8);margin-bottom:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px}
.frame-actions{display:flex;gap:6px}
.frame-btn{
  padding:5px 12px;border-radius:6px;border:1px solid rgba(255,255,255,.25);
  background:rgba(255,255,255,.12);color:#fff;font-size:12px;font-weight:500;
  cursor:pointer;transition:var(--t);backdrop-filter:blur(4px)
}
.frame-btn:hover{background:rgba(255,255,255,.25)}
.frame-btn.danger:hover{background:rgba(239,68,68,.5);border-color:rgba(239,68,68,.5)}

/* ── CANVAS TOOLBAR ── */
.canvas-toolbar{
  position:absolute;bottom:20px;left:50%;transform:translateX(-50%);
  display:flex;align-items:center;gap:8px;
  background:rgba(15,15,22,.92);backdrop-filter:blur(12px);
  border:1px solid var(--border);border-radius:40px;padding:7px 14px;
  z-index:10;box-shadow:var(--shadow-lg)
}
.zoom-controls{display:flex;align-items:center;gap:4px;margin-left:6px;padding-left:10px;border-left:1px solid var(--border)}
.zoom-btn{
  width:26px;height:26px;border-radius:6px;border:1px solid var(--border);
  background:transparent;color:var(--text-2);font-size:15px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:var(--t)
}
.zoom-btn:hover{border-color:var(--accent-2);color:var(--text);background:rgba(168,85,247,.1)}
.zoom-label{font-size:12px;color:var(--text-3);min-width:40px;text-align:center}

/* ── ACCOUNT SETTINGS MODAL ── */
.modal-overlay{
  position:fixed;inset:0;z-index:100;
  background:rgba(0,0,0,.65);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;padding:20px
}
.modal-card{
  background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r-xl);
  width:100%;max-width:520px;max-height:90vh;overflow-y:auto;
  box-shadow:var(--shadow-lg),0 0 0 1px rgba(124,58,237,.1);
  display:flex;flex-direction:column
}
.modal-card::-webkit-scrollbar{width:4px}
.modal-card::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}

.modal-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:24px 28px 20px;border-bottom:1px solid var(--border);flex-shrink:0
}
.modal-title-row{display:flex;align-items:center;gap:14px}
.modal-avatar{
  width:48px;height:48px;border-radius:50%;background:var(--gradient);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:700;color:#fff;flex-shrink:0
}
.modal-title{font-size:18px;font-weight:700;color:var(--text)}
.modal-subtitle{font-size:13px;color:var(--text-3);margin-top:2px}
.modal-close-btn{
  width:32px;height:32px;border-radius:8px;border:1px solid var(--border);
  background:transparent;color:var(--text-2);cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:var(--t)
}
.modal-close-btn:hover{background:var(--bg-3);color:var(--text)}

.modal-body{padding:24px 28px;display:flex;flex-direction:column;gap:0;flex:1}
.modal-section{padding:0 0 24px;margin-bottom:24px;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:16px}
.modal-section:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}
.modal-section-title{font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--text-3)}

.modal-footer{
  display:flex;justify-content:flex-end;gap:10px;
  padding:16px 28px 24px;border-top:1px solid var(--border);flex-shrink:0
}

/* ── LOGO DROPZONE (in modal) ── */
.logo-dropzone{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  border:2px dashed var(--border);border-radius:var(--r);padding:20px;
  cursor:pointer;transition:var(--t);position:relative;min-height:100px
}
.logo-dropzone:hover{border-color:var(--accent-2);background:rgba(124,58,237,.06)}

.logo-preview-wrap{position:relative;display:flex;align-items:center;justify-content:center;width:100%}
.logo-preview-img{max-width:160px;max-height:80px;object-fit:contain;border-radius:6px}
.logo-remove-btn{
  position:absolute;top:-10px;right:calc(50% - 90px);
  width:24px;height:24px;border-radius:50%;border:none;
  background:var(--danger);color:#fff;font-size:11px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-weight:700
}

.logo-placeholder{display:flex;flex-direction:column;align-items:center;gap:6px;color:var(--text-3)}
.logo-placeholder span{font-size:12px}
.logo-sub{font-size:10px !important;color:var(--text-3)}

/* ── TOAST ── */
.toast{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%);
  background:var(--bg-4);border:1px solid var(--border);border-radius:10px;
  padding:12px 24px;font-size:13px;font-weight:500;color:var(--text);
  box-shadow:var(--shadow-lg);z-index:1000;transition:all .3s var(--ease);pointer-events:none
}
.toast.success{border-color:rgba(16,185,129,.4);background:rgba(16,185,129,.1);color:#6ee7b7}
.toast.error{border-color:rgba(239,68,68,.4);background:rgba(239,68,68,.1);color:#fca5a5}

/* ── UTILS ── */
.hidden{display:none !important}
.hidden-file{display:none}
*{scrollbar-width:thin;scrollbar-color:var(--border) transparent}