/* V201: polished, responsive course purchase and UPI payment experience */
.payment-backdrop{padding:16px;overflow-y:auto;align-items:center;background:rgba(4,18,30,.68);backdrop-filter:blur(5px)}
.payment-modal{width:min(940px,100%);max-width:940px;max-height:94vh;border:1px solid rgba(255,255,255,.65);border-radius:22px;overflow:auto;box-shadow:0 28px 90px rgba(0,0,0,.28)}
.payment-modal-head{align-items:flex-start;padding:22px 26px 18px;background:linear-gradient(120deg,#fff,#f7fafc);gap:18px}
.payment-modal-head h3{margin:7px 0 0;font-size:clamp(19px,2.4vw,27px);line-height:1.25;color:var(--navy)}
.payment-subtitle{margin:6px 0 0;color:var(--muted);font-size:13px;line-height:1.5}
.payment-modal-body{padding:22px 26px 20px}
.payment-summary{display:flex;align-items:center;gap:14px;padding:15px 17px;border:1px solid #e4eaf0;border-radius:15px;background:#fff;margin-bottom:20px}
.payment-course-mark{width:48px;height:48px;flex:0 0 48px;border-radius:14px;background:#fff5d6;display:grid;place-items:center;font-size:24px}
.payment-summary-copy{min-width:0;flex:1;display:flex;flex-direction:column;gap:3px}
.payment-summary-copy>span{font-size:9px;font-weight:900;letter-spacing:1.2px;color:#9a7411}
.payment-summary-copy strong{font-size:14px;color:var(--navy);overflow-wrap:anywhere}
.payment-summary-copy small{font-size:11px;color:var(--muted)}
.payment-total{padding-left:16px;border-left:1px solid #e5eaf0;text-align:right;white-space:nowrap}
.payment-total small{display:block;color:var(--muted);font-size:10px;margin-bottom:3px}
.payment-total strong{font-size:25px;color:var(--navy);font-weight:900}
.payment-layout{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:18px;align-items:stretch}
.payment-method-panel,.payment-form-panel{min-width:0;border:1px solid #e2e8f0;border-radius:16px;padding:19px;background:#fff}
.payment-method-panel{background:linear-gradient(180deg,#fbfdff,#f6f9fc)}
.payment-step-title{display:flex;align-items:flex-start;gap:10px;margin-bottom:16px}
.payment-step-title>span{width:27px;height:27px;flex:0 0 27px;display:grid;place-items:center;border-radius:50%;background:var(--navy);color:#fff;font-size:12px;font-weight:900}
.payment-step-title strong{display:block;color:var(--navy);font-size:14px}
.payment-step-title small{display:block;color:var(--muted);font-size:11px;line-height:1.45;margin-top:3px}
.payment-qr-frame{width:min(100%,260px);margin:0 auto 15px;position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;padding:14px;background:#fff;border:1px solid #e3e9ef;border-radius:17px;box-shadow:0 8px 22px rgba(16,42,67,.06)}
.payment-qr{display:block;width:clamp(155px,22vw,210px);height:clamp(155px,22vw,210px);max-width:100%;object-fit:contain;margin:0;border:0;border-radius:7px;background:#fff;padding:0}
.qr-secure-label{font-size:9px;letter-spacing:1.2px;font-weight:900;color:#61758a}
.payment-qr-error{font-size:12px;text-align:center;color:#9f2d2d;padding:25px 8px}
.payment-qr-missing{min-height:190px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:22px;border:1px dashed #d6b65d;border-radius:14px;background:#fffdf5;margin-bottom:15px}
.payment-qr-missing>span{font-size:38px;color:#b58a18}
.payment-qr-missing strong{font-size:13px;color:var(--navy);margin-top:7px}
.payment-qr-missing p{font-size:11px;line-height:1.5;color:var(--muted);max-width:250px;margin:6px 0 0}
.payment-upi-line{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 13px;border:1px solid #e2e8f0;background:#fff;border-radius:12px;margin-top:10px}
.payment-upi-line small{display:block;font-size:9px;color:var(--muted);font-weight:800;letter-spacing:1px;margin-bottom:3px}
.payment-upi-line strong{display:block;color:var(--navy);font-size:13px;overflow-wrap:anywhere}
.upi-verified-mark{width:24px;height:24px;display:grid;place-items:center;flex:0 0 24px;border-radius:50%;background:#dcfce7;color:#15803d;font-weight:900}
.payment-config-warning{font-size:11px;color:#92400e;background:#fffbeb;border:1px solid #fde68a;padding:10px;border-radius:10px;margin-top:10px}
.payment-help-note{display:grid;gap:4px;margin-top:14px;padding:12px 13px;background:#edf7f1;border:1px solid #d2eadb;border-radius:11px}
.payment-help-note strong{font-size:11px;color:#166534}
.payment-help-note span{font-size:11px;line-height:1.5;color:#365d49}
.payment-form-panel form{display:grid;gap:13px}
.payment-form-panel .field{gap:6px}
.payment-form-panel .field label{font-size:11px;color:#334e68}
.payment-form-panel .field label em{font-style:normal;font-weight:500;color:var(--muted)}
.payment-form-panel .field input,.payment-form-panel .field textarea{padding:12px 13px;border-radius:10px;font-size:13px;min-height:44px}
.payment-form-panel .field textarea{min-height:70px}
.payment-disclaimer{font-size:10px;line-height:1.5;color:#6b5a22;background:#fff9e8;border:1px solid #f2e2aa;padding:10px 11px;border-radius:10px}
.payment-submit-btn{width:100%;min-height:48px;justify-content:center;border-radius:11px;font-size:13px;box-shadow:0 7px 16px rgba(194,148,35,.2);margin-top:0}
.payment-submit-btn span{font-size:18px}
.payment-footer-note{display:flex;align-items:flex-start;gap:8px;margin-top:16px;padding-top:13px;border-top:1px solid #e8edf2;font-size:10px;line-height:1.5;color:var(--muted)}
.payment-footer-note span{color:#15803d;font-weight:900}
@media(max-width:650px){.payment-backdrop{padding:8px;align-items:start}.payment-modal{max-height:96vh;border-radius:17px;margin:auto}.payment-modal-head{padding:17px 16px 14px}.payment-modal-head h3{font-size:20px}.payment-modal-body{padding:14px}.payment-summary{gap:10px;padding:12px;margin-bottom:13px}.payment-course-mark{width:40px;height:40px;flex-basis:40px;font-size:20px}.payment-summary-copy strong{font-size:12px}.payment-total{padding-left:10px}.payment-total strong{font-size:20px}.payment-total small{font-size:9px}.payment-layout{grid-template-columns:1fr;gap:12px}.payment-method-panel,.payment-form-panel{padding:14px}.payment-step-title{margin-bottom:12px}.payment-qr-frame{width:min(100%,230px);padding:10px}.payment-qr{width:170px;height:170px}.payment-qr-missing{min-height:140px}.payment-footer-note{margin-top:12px}}