/* ═══════════════════════════════════
   PDF Pro Converter - App Styles
   ═══════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;600;700;900&display=swap');

:root {
  --bg: #0a0e1a;
  --surface: rgba(255,255,255,0.06);
  --border: rgba(255,255,255,0.1);
  --purple: #7c3aed;
  --purple2: #a855f7;
  --blue: #3b82f6;
  --green: #10b981;
  --gold: #f59e0b;
  --red: #ef4444;
  --text: #f1f5f9;
  --muted: #64748b;
  --radius: 18px;
  --nav-h: 72px;
  --header-h: 60px;
  --banner-h: 44px;
}

* { margin:0; padding:0; box-sizing:border-box; -webkit-tap-highlight-color:transparent; }

body {
  font-family:'Cairo',sans-serif;
  background: var(--bg);
  color: var(--text);
  direction: rtl;
  min-height: 100vh;
  overflow-x: hidden;
  background-image: radial-gradient(ellipse at 20% 10%, rgba(124,58,237,0.15) 0%, transparent 60%),
                    radial-gradient(ellipse at 80% 90%, rgba(59,130,246,0.1) 0%, transparent 60%);
}
.hidden { display:none !important; }

/* ── Splash ── */
.splash {
  position:fixed; inset:0; z-index:999;
  background: linear-gradient(135deg,#0a0e1a 0%,#1a0a2e 50%,#0a0e1a 100%);
  display:flex; align-items:center; justify-content:center;
}
.splash-content { text-align:center; }
.splash-logo { font-size:72px; animation:bounce 1s ease; }
.splash-title { font-size:36px; font-weight:900; margin:12px 0 6px; }
.splash-title span { background:linear-gradient(135deg,var(--purple),var(--blue)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.splash-sub { color:var(--muted); margin-bottom:32px; }
.splash-bar { width:200px; height:4px; background:rgba(255,255,255,0.1); border-radius:4px; overflow:hidden; margin:0 auto; }
.splash-progress { height:100%; background:linear-gradient(90deg,var(--purple),var(--blue)); border-radius:4px; width:0; transition:width .3s ease; }

/* ── Glass ── */
.glass {
  background:var(--surface);
  backdrop-filter:blur(20px);
  border:1px solid var(--border);
  border-radius:var(--radius);
}
.gradient-text {
  background:linear-gradient(135deg,var(--purple),var(--blue));
  -webkit-background-clip:text; -webkit-text-fill-color:transparent;
}

/* ── App Layout ── */
.app-container { display:flex; flex-direction:column; min-height:100vh; padding-bottom:var(--nav-h); }

/* ── Header ── */
.app-header {
  height:var(--header-h);
  display:flex; align-items:center; justify-content:space-between;
  padding:0 16px;
  background:rgba(10,14,26,0.9); backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  position:sticky; top:0; z-index:50;
}
.header-logo { display:flex; align-items:center; gap:8px; }
.header-icon { font-size:24px; }
.header-title { font-size:18px; font-weight:700; }
.header-actions { display:flex; gap:8px; }
.icon-btn { background:var(--surface); border:1px solid var(--border); color:var(--text); width:36px; height:36px; border-radius:10px; font-size:16px; cursor:pointer; transition:.2s; }
.icon-btn:active { transform:scale(0.9); }

/* ── Plan Banner ── */
.plan-banner {
  height:var(--banner-h);
  display:flex; align-items:center; justify-content:space-between;
  padding:0 16px;
  background:linear-gradient(90deg,rgba(124,58,237,0.2),rgba(59,130,246,0.2));
  border-bottom:1px solid rgba(124,58,237,0.2);
}
.plan-icon { font-size:16px; }
.plan-text { font-size:13px; flex:1; margin:0 8px; }
.plan-upgrade-btn {
  background:linear-gradient(135deg,var(--purple),var(--blue));
  border:none; color:#fff; padding:6px 14px; border-radius:20px;
  font-family:inherit; font-size:12px; font-weight:700; cursor:pointer;
  white-space:nowrap;
}

/* ── Pages ── */
.pages { flex:1; overflow-y:auto; padding:16px; }
.page { display:none; animation:fadeUp .3s ease; }
.page.active { display:block; }

/* ── Upload Zone ── */
.upload-zone {
  padding:32px 20px; text-align:center; margin-bottom:16px;
  cursor:pointer; transition:.2s; border-style:dashed; border-width:2px;
  border-color:rgba(124,58,237,0.3);
}
.upload-zone:hover, .upload-zone.dragging {
  border-color:var(--purple); background:rgba(124,58,237,0.08);
}
.upload-icon { font-size:56px; margin-bottom:12px; animation:float 3s ease-in-out infinite; }
.upload-title { font-size:22px; font-weight:700; margin-bottom:6px; }
.upload-sub { color:var(--muted); font-size:13px; margin-bottom:20px; }
.btn-upload {
  background:linear-gradient(135deg,var(--purple),var(--blue));
  border:none; color:#fff; padding:14px 28px; border-radius:12px;
  font-family:inherit; font-size:16px; font-weight:700; cursor:pointer;
  box-shadow:0 4px 20px rgba(124,58,237,0.4); transition:.2s; display:inline-block;
}
.btn-upload:active { transform:scale(0.96); }
.upload-divider { color:var(--muted); font-size:13px; margin:14px 0; }
.drag-hint { color:var(--muted); font-size:13px; border:1px dashed var(--border); padding:10px; border-radius:10px; }

/* ── Language & Engine Cards ── */
.lang-card { padding:16px; margin-bottom:16px; }
.lang-label { display:block; font-size:13px; color:var(--muted); margin-bottom:10px; font-weight:600; }
.lang-grid, .engine-grid { display:flex; flex-wrap:wrap; gap:8px; }
.lang-btn, .engine-btn {
  background:rgba(255,255,255,0.06); border:1px solid var(--border);
  color:var(--text); padding:7px 14px; border-radius:20px;
  font-family:inherit; font-size:13px; cursor:pointer; transition:.2s;
}
.lang-btn.active-sel, .lang-btn:hover, .engine-btn.active-sel, .engine-btn:hover { background:rgba(124,58,237,0.2); border-color:var(--purple); color:var(--purple2); }

/* ── File Preview ── */
.file-preview { padding:16px; margin-bottom:16px; }
.file-info { display:flex; align-items:center; gap:12px; margin-bottom:14px; }
.file-icon-big { font-size:40px; }
.file-details { flex:1; overflow:hidden; }
.file-name { display:block; font-size:15px; font-weight:700; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.file-size { font-size:12px; color:var(--muted); }
.clear-file-btn { background:rgba(239,68,68,0.1); border:1px solid rgba(239,68,68,0.2); color:var(--red); width:32px; height:32px; border-radius:8px; font-size:14px; cursor:pointer; }
.btn-convert {
  width:100%; padding:16px; background:linear-gradient(135deg,var(--purple),var(--blue));
  border:none; color:#fff; border-radius:12px; font-family:inherit;
  font-size:18px; font-weight:700; cursor:pointer; box-shadow:0 4px 20px rgba(124,58,237,0.4); transition:.2s;
}
.btn-convert:active { transform:scale(0.98); }

/* ── Progress ── */
.progress-card { padding:24px; text-align:center; margin-bottom:16px; }
.progress-icon { font-size:48px; animation:spin 2s linear infinite; display:inline-block; margin-bottom:12px; }
.progress-card h3 { font-size:18px; font-weight:700; margin-bottom:16px; }
.progress-bar-wrap { height:8px; background:rgba(255,255,255,0.1); border-radius:8px; overflow:hidden; margin-bottom:10px; }
.progress-bar-fill { height:100%; background:linear-gradient(90deg,var(--purple),var(--blue)); border-radius:8px; width:0; transition:width .5s ease; }
.progress-step { font-size:13px; color:var(--muted); margin-bottom:12px; }
.progress-tips { background:rgba(59,130,246,0.1); border:1px solid rgba(59,130,246,0.2); padding:10px 14px; border-radius:10px; font-size:12px; color:var(--muted); text-align:right; }

/* ── Result ── */
.result-card { padding:24px; text-align:center; margin-bottom:16px; }
.result-success { font-size:56px; margin-bottom:10px; animation:popIn .4s ease; }
.result-card h3 { font-size:20px; font-weight:700; color:var(--green); margin-bottom:14px; }
.result-stats { display:flex; justify-content:center; gap:20px; margin-bottom:20px; }
.result-stat { text-align:center; }
.result-stat-val { display:block; font-size:20px; font-weight:700; }
.result-stat-lbl { font-size:11px; color:var(--muted); }
.result-actions { display:flex; gap:10px; margin-bottom:12px; }
.btn-download {
  flex:1; padding:14px; background:linear-gradient(135deg,var(--green),#059669);
  border:none; color:#fff; border-radius:12px; font-family:inherit;
  font-size:15px; font-weight:700; cursor:pointer;
}
.btn-share {
  padding:14px 16px; background:rgba(59,130,246,0.15); border:1px solid rgba(59,130,246,0.3);
  color:var(--blue); border-radius:12px; font-family:inherit; font-size:15px; cursor:pointer;
}
.btn-new {
  width:100%; padding:10px; background:transparent; border:1px solid var(--border);
  color:var(--muted); border-radius:10px; font-family:inherit; font-size:14px; cursor:pointer;
}

/* ── History ── */
.page-header-inner { display:flex; justify-content:space-between; align-items:center; margin-bottom:16px; }
.page-header-inner h2 { font-size:20px; font-weight:700; }
.btn-clear-hist { background:rgba(239,68,68,0.1); border:1px solid rgba(239,68,68,0.2); color:var(--red); padding:8px 14px; border-radius:8px; font-family:inherit; font-size:13px; cursor:pointer; }
.history-list { display:flex; flex-direction:column; gap:10px; }
.history-item {
  display:flex; align-items:center; gap:12px; padding:14px; border-radius:12px;
  background:var(--surface); border:1px solid var(--border); animation:fadeUp .3s ease;
}
.hist-icon { font-size:28px; }
.hist-info { flex:1; overflow:hidden; }
.hist-name { font-size:14px; font-weight:600; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.hist-meta { font-size:11px; color:var(--muted); margin-top:2px; }
.hist-status { font-size:12px; font-weight:700; }
.hist-ok { color:var(--green); }
.hist-fail { color:var(--red); }
.empty-state { text-align:center; padding:48px 20px; }
.empty-icon { font-size:56px; margin-bottom:12px; }
.empty-state p { color:var(--muted); font-size:15px; }

/* ── Premium ── */
.premium-hero { text-align:center; padding:32px 20px 24px; }
.premium-icon { font-size:64px; margin-bottom:12px; animation:float 3s ease-in-out infinite; }
.premium-hero h2 { font-size:28px; font-weight:900; margin-bottom:6px; }
.premium-hero p { color:var(--muted); }
.features-list { display:flex; flex-direction:column; gap:10px; margin-bottom:20px; }
.feature-item { background:rgba(16,185,129,0.08); border:1px solid rgba(16,185,129,0.15); padding:14px 16px; border-radius:12px; font-size:14px; font-weight:600; }
.price-card { padding:20px; text-align:center; margin-bottom:16px; }
.price-amount { font-size:40px; font-weight:900; background:linear-gradient(135deg,var(--gold),#f97316); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.price-period { font-size:16px; color:var(--muted); }
.btn-premium-buy {
  width:100%; padding:16px; background:linear-gradient(135deg,var(--gold),#f97316);
  border:none; color:#fff; border-radius:14px; font-family:inherit;
  font-size:18px; font-weight:700; cursor:pointer; margin-bottom:12px;
  box-shadow:0 4px 20px rgba(245,158,11,0.4);
}
.btn-watch-ad {
  width:100%; padding:13px; background:rgba(124,58,237,0.15); border:1px solid rgba(124,58,237,0.3);
  color:var(--purple2); border-radius:12px; font-family:inherit; font-size:14px; font-weight:600; cursor:pointer;
}

/* ── Bottom Nav ── */
.bottom-nav {
  position:fixed; bottom:0; left:0; right:0;
  height:var(--nav-h); background:rgba(10,14,26,0.95); backdrop-filter:blur(20px);
  border-top:1px solid var(--border);
  display:flex; align-items:center; justify-content:space-around;
  z-index:50; padding-bottom:env(safe-area-inset-bottom);
}
.nav-btn {
  background:none; border:none; color:var(--muted);
  display:flex; flex-direction:column; align-items:center; gap:4px;
  cursor:pointer; padding:8px 20px; border-radius:12px; transition:.2s; flex:1;
}
.nav-btn.active { color:var(--purple2); }
.nav-btn.active .nav-btn-icon { transform:translateY(-2px); }
.nav-btn-icon { font-size:22px; transition:.2s; }
.nav-btn-label { font-size:11px; font-weight:600; }

/* ── Ad Banner ── */
.ad-banner-container { min-height:50px; display:flex; align-items:center; justify-content:center; padding-bottom:var(--nav-h); }

/* ── Toast ── */
.toast-wrap { position:fixed; bottom:90px; left:16px; right:16px; z-index:999; display:flex; flex-direction:column; gap:8px; pointer-events:none; }
.toast {
  padding:13px 18px; border-radius:12px; font-size:14px; font-weight:600;
  box-shadow:0 4px 20px rgba(0,0,0,0.4); animation:slideUp .3s ease;
  pointer-events:all;
}
.toast-success { background:rgba(16,185,129,0.95); color:#fff; }
.toast-error   { background:rgba(239,68,68,0.95);  color:#fff; }
.toast-info    { background:rgba(59,130,246,0.95);  color:#fff; }

/* ── Animations ── */
@keyframes fadeUp  { from{opacity:0;transform:translateY(16px)} to{opacity:1;transform:none} }
@keyframes slideUp { from{opacity:0;transform:translateY(20px)} to{opacity:1;transform:none} }
@keyframes float   { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }
@keyframes bounce  { 0%{transform:scale(0.5);opacity:0} 80%{transform:scale(1.1)} 100%{transform:scale(1);opacity:1} }
@keyframes spin    { from{transform:rotate(0deg)} to{transform:rotate(360deg)} }
@keyframes popIn   { 0%{transform:scale(0)} 80%{transform:scale(1.2)} 100%{transform:scale(1)} }
/* ── Settings Modal ── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6); backdrop-filter: blur(8px);
  z-index: 100; display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .3s ease;
}
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal-card {
  width: 90%; max-width: 450px; padding: 24px; text-align: center;
  animation: popIn .3s ease;
}
.modal-title { font-size: 20px; font-weight: 700; margin-bottom: 16px; display: flex; align-items: center; justify-content: center; gap: 8px; }
.modal-body { text-align: right; margin-bottom: 20px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; font-weight: 600; }
.form-input {
  width: 100%; padding: 12px 16px; background: rgba(255,255,255,0.06); border: 1px solid var(--border);
  color: var(--text); border-radius: 12px; font-family: inherit; font-size: 14px; transition: .2s;
  text-align: left; direction: ltr;
}
.form-input:focus { border-color: var(--purple); background: rgba(255,255,255,0.1); outline: none; }
.modal-actions { display: flex; gap: 10px; }
.btn-save {
  flex: 1; padding: 12px; background: linear-gradient(135deg,var(--purple),var(--blue));
  border: none; color: #fff; border-radius: 12px; font-family: inherit; font-size: 14px; font-weight: 700; cursor: pointer;
}
.btn-cancel {
  padding: 12px 18px; background: transparent; border: 1px solid var(--border);
  color: var(--muted); border-radius: 12px; font-family: inherit; font-size: 14px; cursor: pointer;
}

/* ── Range Selector Styles ── */
.range-selector {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 16px;
  text-align: right;
}
.range-toggle-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.range-toggle-wrap input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--purple);
  cursor: pointer;
}
.range-toggle-wrap label {
  font-size: 13px;
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
  user-select: none;
}
.range-inputs {
  display: flex;
  gap: 12px;
  margin-top: 10px;
  animation: fadeUp .2s ease;
}
.range-field {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.range-field label {
  font-size: 11px;
  color: var(--muted);
}
.range-field input {
  width: 100%;
  padding: 8px 12px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  font-family: inherit;
  font-size: 13px;
  text-align: center;
}
.range-field input:focus {
  border-color: var(--purple);
  outline: none;
}