/* ===== DevCraft Technologies — Certificate Generator CSS ===== */

/* ── Tokens (same as invoice/quotation) ─────────────────────── */
:root {
  --brand:       #00c896;
  --brand-dark:  #009e77;
  --brand-dim:   #00c89622;
  --brand-border:#00c89633;
  --bg-page:     #0d0d0d;
  --bg-panel:    #111318;
  --bg-input:    #0a0c10;
  --bg-row:      #0f1217;
  --text-white:  #f0f0f0;
  --text-muted:  #888;
  --text-label:  #aaa;
  --doc-bg:      #ffffff;
  --doc-text:    #111111;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: "Inter", sans-serif;
  background: var(--bg-page);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  padding: 60px 20px 30px;
}

#app {
  display: flex;
  flex-direction: column;
  gap: 30px;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
}

/* ===== FORM PANEL ===== */
#form-panel {
  background: var(--bg-panel);
  border: 1px solid var(--brand-border);
  border-radius: 14px;
  padding: 32px;
  width: 100%;
  color: var(--text-white);
}

.form-header h1 {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.5rem;
  color: var(--brand);
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.form-header p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 28px;
}

.form-section {
  margin-bottom: 26px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--brand-dim);
}

.form-section:last-child { border-bottom: none; margin-bottom: 0; }

.form-section h3 {
  color: var(--brand);
  font-size: 0.72rem;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
  font-weight: 700;
  font-family: "Space Grotesk", sans-serif;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 14px;
}

.form-group label {
  color: var(--text-label);
  font-size: 0.72rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="date"],
.form-group input[type="number"],
.form-group select {
  background: var(--bg-input);
  border: 1px solid var(--brand-border);
  border-radius: 7px;
  color: var(--text-white);
  padding: 10px 14px;
  font-size: 0.92rem;
  font-family: "Inter", sans-serif;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus { border-color: var(--brand); }
.form-group select option { background: var(--bg-input); }

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* Skills/topics rows */
#skill-rows {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 14px;
}

.skill-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
  background: var(--bg-row);
  border: 1px solid var(--brand-border);
  border-radius: 9px;
  padding: 8px 10px;
}

.skill-row input {
  background: var(--bg-input);
  border: 1px solid var(--brand-border);
  border-radius: 5px;
  color: var(--text-white);
  padding: 8px 10px;
  font-size: 0.88rem;
  font-family: "Inter", sans-serif;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}

.skill-row input:focus { border-color: var(--brand); }

.btn-remove-row {
  background: #ff444422;
  border: 1px solid #ff444444;
  color: #ff6666;
  border-radius: 5px;
  width: 32px;
  height: 32px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-remove-row:hover { background: #ff444444; }

#btn-add-row {
  background: transparent;
  border: 1px dashed var(--brand-border);
  color: var(--brand);
  border-radius: 7px;
  padding: 9px 18px;
  font-size: 0.88rem;
  font-family: "Inter", sans-serif;
  cursor: pointer;
  width: 100%;
  transition: all 0.2s;
  letter-spacing: 0.5px;
}

#btn-add-row:hover { background: var(--brand-dim); border-color: var(--brand); }

/* Buttons */
.btn-row { display: flex; gap: 12px; margin-bottom: 14px; }

#btn-download {
  flex: 1;
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: #000;
  border: none;
  border-radius: 8px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}

#btn-download:hover { transform: translateY(-1px); box-shadow: 0 4px 20px #00c89655; }

#btn-print {
  flex: 1;
  padding: 12px 20px;
  background: var(--bg-row);
  border: 1px solid var(--brand-border);
  color: var(--text-white);
  border-radius: 8px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

#btn-print:hover { background: var(--brand-dim); }

.nav-links { display: flex; justify-content: space-between; margin-top: 10px; }

.nav-links a {
  color: var(--text-muted);
  font-size: 0.82rem;
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--brand); }

/* ===== PREVIEW PANEL ===== */
#preview-panel { width: 100%; }

.preview-label {
  color: var(--brand);
  font-size: 0.72rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
  text-align: center;
  font-weight: 600;
  font-family: "Space Grotesk", sans-serif;
}

/* ===== CERTIFICATE DOCUMENT ===== */
#certificate {
  background: var(--doc-bg);
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  font-family: "Inter", sans-serif;
  color: var(--doc-text);
  position: relative;
  overflow: hidden;
  border: 3px solid #0d1117;
}

#certificate-doc {
  position: relative;
  padding: 14px;
}

.cert-inner-border {
  position: absolute;
  inset: 14px;
  border: 1.5px solid var(--brand);
  pointer-events: none;
  z-index: 10;
}

.cert-micro-border {
  position: absolute;
  inset: 18px;
  border: 0.5px solid var(--brand-border);
  pointer-events: none;
  z-index: 10;
}

.cert-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-8deg);
  font-family: "Space Grotesk", sans-serif;
  font-size: 5rem;
  font-weight: 700;
  color: var(--brand);
  opacity: 0.05;
  white-space: nowrap;
  pointer-events: none;
  z-index: 1;
  letter-spacing: 4px;
}

.cert-serial-no {
  text-align: center;
  padding: 20px 40px 6px;
  position: relative;
  z-index: 5;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.72rem;
  color: var(--brand-dark);
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* HEADER */
.cert-header {
  text-align: center;
  padding: 4px 40px 18px;
  position: relative;
  z-index: 5;
}

.cert-logo-text {
  font-family: "Space Grotesk", sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: #0d1117;
  letter-spacing: -0.5px;
  line-height: 1;
}

.cert-logo-text span { color: var(--brand-dark); margin-left: 6px; }

.cert-tagline {
  color: #888;
  font-size: 0.7rem;
  letter-spacing: 0.5px;
  font-style: italic;
  margin-top: 4px;
}

/* TITLE */
.cert-title-section {
  text-align: center;
  padding: 14px 40px 8px;
  position: relative;
  z-index: 5;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
}

.cert-doc-type {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.9rem;
  font-weight: 700;
  color: #0d1117;
  letter-spacing: 4px;
  line-height: 1.3;
}

.cert-doc-type span { color: var(--brand-dark); }

/* BODY */
.cert-body {
  text-align: center;
  padding: 26px 60px 10px;
  position: relative;
  z-index: 5;
}

.cert-presented-to {
  font-size: 0.85rem;
  color: #888;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.cert-student-name {
  font-family: "Space Grotesk", sans-serif;
  font-size: 2.1rem;
  font-weight: 700;
  color: #0d1117;
  margin-bottom: 6px;
  border-bottom: 2px solid var(--brand);
  display: inline-block;
  padding-bottom: 8px;
  min-width: 260px;
}

.cert-completed-text {
  font-size: 0.95rem;
  color: #444;
  margin: 18px 0 6px;
  line-height: 1.7;
}

.cert-program-name {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--brand-dark);
  margin: 4px 0 18px;
  line-height: 1.4;
}

/* META ROW */
.cert-meta-row {
  display: flex;
  justify-content: center;
  gap: 40px;
  padding: 4px 40px 20px;
  position: relative;
  z-index: 5;
  flex-wrap: wrap;
}

.cert-meta-item { text-align: center; }

.cert-meta-label {
  font-size: 0.65rem;
  color: #999;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 700;
  font-family: "Space Grotesk", sans-serif;
  margin-bottom: 4px;
}

.cert-meta-value {
  font-size: 0.92rem;
  color: #222;
  font-weight: 600;
}

/* SKILLS / TOPICS */
.cert-skills-wrap {
  padding: 0 50px 20px;
  position: relative;
  z-index: 5;
  text-align: center;
}

.cert-skills-label {
  font-size: 0.65rem;
  color: var(--brand-dark);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 700;
  font-family: "Space Grotesk", sans-serif;
  margin-bottom: 10px;
}

.cert-skills-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.cert-skill-tag {
  background: #f5fffe;
  border: 1px solid var(--brand-border);
  color: #009e77;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 20px;
}

/* GRADE */
.cert-grade-row {
  text-align: center;
  padding: 0 40px 18px;
  position: relative;
  z-index: 5;
}

.cert-grade-badge {
  display: inline-block;
  background: #0d1117;
  color: var(--brand);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 20px;
  border-radius: 20px;
}

/* SIGNATURE + FOOTER */
.cert-sig-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 10px 50px 24px;
  position: relative;
  z-index: 5;
  gap: 20px;
}

.cert-sig-block { display: flex; flex-direction: column; gap: 4px; min-width: 180px; }

.cert-sig-line { border-bottom: 1.5px solid #111; width: 180px; margin-bottom: 6px; }

.cert-sig-name {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: #111;
}

.cert-sig-title { font-size: 0.68rem; color: #888; letter-spacing: 1px; text-transform: uppercase; }

.cert-issue-date-block { text-align: right; }

.cert-issue-date-block .cert-meta-label { margin-bottom: 4px; }

/* FOOTER BAR */
.cert-footer-bar {
  background: #0d1117;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 36px;
  gap: 12px;
  position: relative;
  z-index: 5;
}

.cert-footer-bar-left,
.cert-footer-bar-right {
  width: 50px;
  height: 4px;
  background: var(--brand);
  border-radius: 2px;
}

.cert-footer-tel {
  color: rgba(255,255,255,0.75);
  font-size: 0.82rem;
  letter-spacing: 0.5px;
  font-weight: 500;
}

/* ===== PRINT ===== */
@media print {
  .top-nav, #form-panel, .preview-label, .nav-links { display: none !important; }
  body { background: none; padding: 0; }
  @page { size: A4 landscape; margin: 6mm; }
  #app { display: block; }
  #preview-panel { width: 100%; padding: 0; margin: 0; }
  #certificate { width: 100%; max-width: 100%; box-shadow: none; margin: 0; }
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  body { padding: 10px 8px; }
  #form-panel { padding: 18px 16px; }
  .form-row-2 { grid-template-columns: 1fr; }
  .btn-row { flex-direction: column; }
  .btn-row button { width: 100% !important; }
  .cert-body, .cert-header, .cert-title-section { padding-left: 20px; padding-right: 20px; }
  .cert-student-name { font-size: 1.5rem; min-width: unset; }
  .cert-program-name { font-size: 1.15rem; }
  .cert-meta-row { gap: 20px; }
  .cert-sig-footer { flex-direction: column; align-items: center; gap: 16px; text-align: center; }
  .cert-issue-date-block { text-align: center; }
  input, select { font-size: 16px !important; }
}