/* =====================================================================
   assets/billing.css
   pricing.php ও account.php-এর জন্য — assets/auth.css-এর :root ভেরিয়েবল ও
   ভিজ্যুয়াল ভাষা (ডার্ক থিম, ইন্ডিগো অ্যাকসেন্ট, serif হেডলাইন + sans বডি,
   aurora glow) এর উপর ভিত্তি করে তৈরি। এই ফাইলটা auth.css-এর পরে লোড হবে।
   ===================================================================== */

.billing-shell {
  min-height: 100vh;
  min-height: 100dvh;
  padding: 40px 20px 64px;
  position: relative;
  overflow-x: hidden;
}
.billing-mesh {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
  background:
    radial-gradient(60% 45% at 12% -8%, rgba(99,102,241,0.20), transparent 60%),
    radial-gradient(50% 40% at 100% 0%, rgba(34,211,238,0.12), transparent 60%);
}
.billing-container { position: relative; z-index: 1; max-width: 980px; margin: 0 auto; }

.billing-topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 30px; }
.billing-back { display: inline-flex; align-items: center; gap: 6px; font-size: 0.82rem; color: var(--ink-faint); text-decoration: none; }
.billing-back:hover { color: var(--ink-dim); }
.billing-back svg { width: 14px; height: 14px; }
.billing-brand { display: flex; align-items: center; gap: 9px; text-decoration: none; color: var(--ink); }
.billing-brand-mark { width: 30px; height: 30px; border-radius: 8px; background: var(--panel-3); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.billing-brand-mark img { width: 100%; height: 100%; object-fit: contain; }
.billing-brand-name { font-weight: 600; font-size: 0.92rem; }

.billing-eyebrow {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--signal-cyan); margin-bottom: 12px;
}
.billing-title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.6rem, 3.6vw, 2.3rem); line-height: 1.25;
  margin: 0 0 10px; color: var(--ink);
}
.billing-sub { color: var(--ink-dim); font-size: 0.92rem; line-height: 1.6; max-width: 56ch; margin: 0 0 34px; }

/* ---------------------------------------------------------------------
   প্রাইসিং কার্ড গ্রিড
   --------------------------------------------------------------------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
}
.pricing-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 22px 22px;
  display: flex;
  flex-direction: column;
  transition: border-color .15s ease, transform .15s ease;
}
.pricing-card:hover { border-color: rgba(99,102,241,0.35); transform: translateY(-2px); }
.pricing-card.is-current { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), 0 12px 30px -12px rgba(99,102,241,0.5); }
.pricing-badge {
  position: absolute; top: -11px; right: 18px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-size: 0.68rem; font-weight: 700; letter-spacing: 0.03em;
  padding: 4px 11px; border-radius: 999px;
}
.pricing-current-tag {
  display: inline-block; font-size: 0.68rem; font-weight: 700; color: var(--success);
  background: rgba(74,222,128,0.12); border: 1px solid rgba(74,222,128,0.3);
  padding: 3px 9px; border-radius: 999px; margin-bottom: 10px; align-self: flex-start;
}
.pricing-name { font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; margin: 0 0 4px; }
.pricing-desc { color: var(--ink-faint); font-size: 0.8rem; line-height: 1.5; margin: 0 0 16px; min-height: 2.2em; }
.pricing-price { display: flex; align-items: baseline; gap: 5px; margin-bottom: 4px; }
.pricing-price .amount { font-size: 1.9rem; font-weight: 700; font-family: var(--font-display); }
.pricing-price .cur { font-size: 0.85rem; color: var(--ink-dim); }
.pricing-cycle { color: var(--ink-faint); font-size: 0.76rem; margin-bottom: 18px; }
.pricing-features { list-style: none; margin: 0 0 20px; padding: 0; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.pricing-features li { display: flex; gap: 8px; align-items: flex-start; font-size: 0.82rem; color: var(--ink-dim); }
.pricing-features svg { width: 14px; height: 14px; flex-shrink: 0; margin-top: 2px; color: var(--accent-2); }
.pricing-cta {
  display: block; text-align: center; width: 100%; border: none; border-radius: var(--radius-sm);
  padding: 11px 14px; font-size: 0.86rem; font-weight: 600; color: #fff; cursor: pointer;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 8px 22px -10px rgba(99,102,241,0.6);
  transition: transform .15s ease;
}
.pricing-cta:hover { transform: translateY(-1px); }
.pricing-cta:disabled { opacity: 0.55; cursor: default; transform: none; }
.pricing-cta.is-outline { background: var(--panel-2); border: 1px solid var(--border); box-shadow: none; color: var(--ink-dim); }

/* ---------------------------------------------------------------------
   চেকআউট / মডাল-স্টাইল প্যানেল
   --------------------------------------------------------------------- */
.billing-panel {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 22px; margin-top: 22px;
}
.method-option {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  background: var(--panel-2); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 12px 14px; cursor: pointer; transition: border-color .15s ease;
}
.method-option:hover { border-color: rgba(99,102,241,0.4); }
.method-option.is-selected { border-color: var(--accent); background: var(--panel-3); }

.billing-alert-info {
  background: rgba(34,211,238,0.08); border: 1px solid rgba(34,211,238,0.25); color: #67e8f9;
  padding: 12px 14px; border-radius: var(--radius-sm); font-size: 0.82rem; line-height: 1.55;
}

/* ---------------------------------------------------------------------
   account.php — সাবস্ক্রিপশন সামারি
   --------------------------------------------------------------------- */
.usage-bar-track { width: 100%; height: 8px; border-radius: 999px; background: var(--panel-3); overflow: hidden; }
.usage-bar-fill { height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width .3s ease; }
.usage-bar-fill.is-full { background: linear-gradient(90deg, var(--danger), #fca5a5); }

.billing-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
.billing-table th { text-align: left; color: var(--ink-faint); font-weight: 600; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.03em; padding: 8px 10px; border-bottom: 1px solid var(--border); }
.billing-table td { padding: 10px 10px; border-bottom: 1px solid var(--border-soft); color: var(--ink-dim); }
.status-pill { display: inline-block; font-size: 0.7rem; font-weight: 700; padding: 3px 9px; border-radius: 999px; }
.status-pill.approved { color: var(--success); background: rgba(74,222,128,0.12); border: 1px solid rgba(74,222,128,0.3); }
.status-pill.pending { color: var(--warn); background: rgba(251,191,36,0.12); border: 1px solid rgba(251,191,36,0.3); }
.status-pill.rejected, .status-pill.failed { color: var(--danger); background: rgba(248,113,113,0.12); border: 1px solid rgba(248,113,113,0.3); }
.status-pill.refunded { color: var(--ink-faint); background: var(--panel-3); border: 1px solid var(--border); }

.billing-empty { text-align: center; color: var(--ink-faint); font-size: 0.85rem; padding: 30px 10px; }

/* ---------------------------------------------------------------------
   checkout.php — নতুন প্রফেশনাল পেমেন্ট পেজ (পেমেন্ট-মেথড বাটন + ডাইনামিক প্রুফ-ফর্ম)
   --------------------------------------------------------------------- */
.checkout-order-card {
  background: var(--panel-2); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px 20px; margin-bottom: 22px; display: flex; align-items: center; justify-content: space-between; gap: 14px;
}
.checkout-order-card .name { font-family: var(--font-display); font-weight: 600; font-size: 1.02rem; margin: 0 0 3px; }
.checkout-order-card .sub { color: var(--ink-faint); font-size: 0.8rem; margin: 0; }
.checkout-order-card .price { font-size: 1.5rem; font-weight: 700; font-family: var(--font-display); white-space: nowrap; }
.checkout-order-card .price .cur { font-size: 0.78rem; color: var(--ink-dim); font-weight: 500; margin-left: 3px; }

.method-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; margin-bottom: 6px; }
.method-btn {
  display: flex; flex-direction: column; align-items: center; gap: 9px; text-align: center;
  background: var(--panel-2); border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  padding: 16px 10px; cursor: pointer; transition: border-color .15s ease, background .15s ease, transform .15s ease;
}
.method-btn:hover { border-color: rgba(99,102,241,0.45); transform: translateY(-2px); }
.method-btn.is-selected { border-color: var(--accent); background: var(--panel-3); box-shadow: 0 0 0 1px var(--accent); }
.method-btn .logo-wrap { width: 46px; height: 46px; border-radius: 12px; background: var(--panel-3); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.method-btn .logo-wrap img { width: 100%; height: 100%; object-fit: contain; }
.method-btn .logo-wrap svg { width: 22px; height: 22px; color: var(--accent-2); }
.method-btn .m-name { font-size: 0.82rem; font-weight: 600; color: var(--ink); }
.method-btn .m-type { font-size: 0.65rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.02em; }

.proof-field-image-drop {
  border: 1.5px dashed var(--border); border-radius: var(--radius-sm); padding: 16px; text-align: center;
  cursor: pointer; transition: border-color .15s ease; background: var(--panel-2);
}
.proof-field-image-drop:hover { border-color: rgba(99,102,241,0.5); }
.proof-field-image-drop img { max-height: 120px; border-radius: 8px; margin: 0 auto 8px; display: block; }
.proof-field-image-drop .hint { font-size: 0.76rem; color: var(--ink-faint); }
.checkout-back-link { display: inline-flex; align-items: center; gap: 5px; font-size: 0.8rem; color: var(--ink-faint); text-decoration: none; margin-bottom: 16px; }
.checkout-back-link:hover { color: var(--ink-dim); }

/* ---------------------------------------------------------------------
   সাইট-ওয়াইড ফুটার (includes/helpers.php-এর render_site_footer()) — চ্যাট পেজ (index.php) বাদে
   বাকি সব পাবলিক পেজের একদম নিচে (Terms/Privacy/Refund/Disclaimer/About/Contact লিংক)
   --------------------------------------------------------------------- */
.site-footer { margin-top: 46px; padding-top: 22px; border-top: 1px solid var(--border); }
.site-footer-links { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-bottom: 10px; }
.site-footer-links a { color: var(--ink-faint); font-size: 0.78rem; text-decoration: none; transition: color .15s ease; }
.site-footer-links a:hover { color: var(--ink-dim); text-decoration: underline; }
.site-footer-copy { color: var(--ink-faint); font-size: 0.72rem; margin: 0; opacity: 0.8; }

/* ---------------------------------------------------------------------
   নীতিমালা পেজ (terms/privacy/refund/disclaimer/about/contact.php) — সাধারণ প্রোজ কন্টেন্ট
   --------------------------------------------------------------------- */
.policy-content { max-width: 720px; }
.policy-content h2 { font-family: var(--font-display); font-size: 1.02rem; font-weight: 600; color: var(--ink); margin: 26px 0 10px; }
.policy-content h2:first-child { margin-top: 0; }
.policy-content p { color: var(--ink-dim); font-size: 0.86rem; line-height: 1.75; margin: 0 0 12px; }
.policy-content ul { margin: 0 0 12px; padding-inline-start: 20px; display: flex; flex-direction: column; gap: 6px; }
.policy-content li { color: var(--ink-dim); font-size: 0.86rem; line-height: 1.65; }
.policy-updated { color: var(--ink-faint); font-size: 0.76rem; margin-bottom: 24px; }
.contact-card { background: var(--panel-2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 16px 18px; display: flex; flex-direction: column; gap: 8px; margin-top: 6px; }
.contact-card a { color: var(--accent-2); text-decoration: none; font-weight: 500; }
.contact-card a:hover { text-decoration: underline; }

/* ---------------------------------------------------------------------
   checkout.php — রিডিজাইন: মেথড-লিস্ট (ভার্টিক্যাল রো) + মেথড-ডিটেইল স্ক্রিন
   (রেফারেন্স স্ক্রিনশট অনুযায়ী — গোল লোগো + নাম রো, তারপর ড্যাশড কপি-বক্স)
   --------------------------------------------------------------------- */
/* বাগ ফিক্স: checkout.php-এর ধাপে-ধাপে (৩ স্ক্রিন) JS classList.add/remove('hidden') দিয়ে চলে,
   কিন্তু এই পেজটা শুধু auth.css + billing.css লোড করে — কোথাও .hidden ক্লাসের সংজ্ঞাই ছিল না
   (app.min.css-এ ছিল, যেটা checkout.php লোডই করে না)। ফলে ৩টা স্ক্রিন — মেথড বাছাই, পেমেন্ট
   নির্দেশনা, প্রুফ সাবমিশন ফর্ম — সবই একসাথে, এক পেজে দেখা যাচ্ছিল। নিচের রুলটাই আসল ফিক্স। */
.hidden { display: none !important; }
.method-list { display: flex; flex-direction: column; gap: 10px; }
.method-row {
  display: flex; align-items: center; gap: 13px; padding: 13px 14px;
  background: var(--panel-2); border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  cursor: pointer; transition: border-color .15s ease, transform .12s ease, background .15s ease;
}
.method-row:hover { border-color: rgba(99,102,241,0.45); transform: translateY(-1px); }
.method-row:active { transform: translateY(0); }
.method-row-icon {
  width: 42px; height: 42px; border-radius: 50%; background: #fff; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,0.25);
}
.method-row-icon img { width: 100%; height: 100%; object-fit: contain; }
.method-row-icon svg { width: 20px; height: 20px; color: var(--accent); }
.method-row-name { font-size: 0.92rem; font-weight: 700; color: var(--ink); flex: 1; }
.method-row-chevron { color: var(--ink-faint); flex-shrink: 0; }
.checkout-sub { color: var(--ink-faint); font-size: 0.82rem; margin: 2px 0 18px; }

.copy-box {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  border: 1.5px dashed rgba(99,102,241,0.5); border-radius: var(--radius-sm);
  padding: 13px 14px; margin-bottom: 12px; background: rgba(99,102,241,0.04);
}
.copy-box .val { font-family: var(--font-mono); font-size: 0.95rem; font-weight: 600; color: var(--ink); word-break: break-all; }
.copy-box .val-label { display: block; font-size: 0.68rem; color: var(--ink-faint); font-weight: 400; margin-bottom: 2px; text-transform: uppercase; letter-spacing: 0.03em; }
.copy-box button {
  flex-shrink: 0; background: var(--accent); color: #fff; border: none; border-radius: 10px;
  padding: 9px 16px; font-size: 0.8rem; font-weight: 600; cursor: pointer; transition: background .15s ease;
  font-family: inherit;
}
.copy-box button:hover { background: var(--accent-2); }
.copy-box button.is-copied { background: var(--signal-green, #22c55e); }