/* ============================================================
   PDC — Idrees Hospital Professional Development Centre
   Color scheme taken directly from IITH logo:
   Blue  #003C78  |  Red  #D2001E  |  White background
   Zero icons — clean, professional, text-driven layout
   ============================================================ */

:root{
  --blue:       #003C78;
  --blue-deep:  #001E5A;
  --blue-mid:   #0A4F96;
  --blue-soft:  #E6EDF7;
  --blue-line:  #C0CDE3;

  --red:        #D2001E;
  --red-soft:   #FAE8EA;
  --red-mid:    #A80018;

  --ink:        #0A0F1E;
  --body:       #2A3450;
  --muted:      #5A6480;
  --paper:      #FFFFFF;
  --paper-2:    #F4F6FB;
  --line:       #DDE3EF;

  --font-display: 'Poppins', sans-serif;
  --font-body:    'Inter', -apple-system, Segoe UI, sans-serif;
  --font-mono:    'IBM Plex Mono', 'Courier New', monospace;

  --radius: 10px;
  --shadow: 0 8px 28px -10px rgba(0, 30, 90, 0.18);
}

*{ box-sizing: border-box; margin:0; padding:0; }
html{ scroll-behavior: smooth; }

body{
  background: var(--paper);
  color: var(--body);
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.6;
}

h1,h2,h3,h4{
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  color: var(--blue-deep);
  margin: 0 0 0.4em;
}

a{ color: var(--blue); text-decoration: none; }
a:hover{ color: var(--red); text-decoration: underline; }

.container{ max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.container-narrow{ max-width: 740px; margin: 0 auto; padding: 0 24px; }

/* ---------- Eyebrow ---------- */
.eyebrow{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--red);
  font-weight: 600;
  display: inline-block;
  margin-bottom: 10px;
}

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex; align-items: center; gap: 7px;
  padding: 11px 24px;
  border-radius: 6px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14.5px;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s, color .15s, border-color .15s, transform .12s;
  letter-spacing: 0.01em;
}
.btn:hover{ text-decoration: none; transform: translateY(-1px); }

.btn-primary{ background: var(--blue); color: #fff; border-color: var(--blue); }
.btn-primary:hover{ background: var(--blue-deep); border-color: var(--blue-deep); color: #fff; }

.btn-red{ background: var(--red); color: #fff; border-color: var(--red); }
.btn-red:hover{ background: var(--red-mid); border-color: var(--red-mid); color: #fff; }

.btn-outline{ background: transparent; border-color: var(--blue); color: var(--blue); }
.btn-outline:hover{ background: var(--blue-soft); }

.btn-light{ background: var(--paper-2); color: var(--blue-deep); border-color: var(--line); }
.btn-light:hover{ background: var(--blue-soft); border-color: var(--blue-line); }

.btn-block{ width: 100%; justify-content: center; }
.btn-sm{ padding: 7px 16px; font-size: 13px; }

/* ---------- Top nav ---------- */
.topnav{
  position: sticky; top: 0; z-index: 50;
  background: var(--blue-deep);
  border-bottom: 3px solid var(--red);
}
.topnav-inner{
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 0;
}

.brand{ display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-logo{ height: 46px; width: auto; }
.brand-text{ display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong{ font-family: 'Poppins', sans-serif; font-size: 17px; color: #fff; font-weight: 700; }
.brand-text span{ font-size: 10.5px; color: #9DBDE0; letter-spacing: 0.08em; text-transform: uppercase; }
.brand:hover{ text-decoration: none; }

.nav-links{ display: flex; align-items: center; gap: 28px; }
.nav-links a{ color: #C8DDEF; font-size: 14px; font-weight: 500; letter-spacing: 0.01em; }
.nav-links a:hover{ color: #fff; text-decoration: none; }
.nav-links .btn-outline{ color: #fff; border-color: rgba(255,255,255,0.45); }
.nav-links .btn-outline:hover{ background: rgba(255,255,255,0.12); border-color: #fff; }

/* ---------- Hero ---------- */
.hero{ padding: 60px 0 52px; }
.hero-grid{ display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.hero h1{ font-size: clamp(30px, 3.8vw, 48px); line-height: 1.1; margin-bottom: 16px; }
.hero p.lead{ font-size: 16.5px; color: var(--muted); max-width: 480px; margin-bottom: 28px; line-height: 1.65; }
.hero-cta{ display: flex; gap: 14px; flex-wrap: wrap; }

/* Hero right: hospital credential card */
.hero-card{
  background: var(--blue-deep);
  border-radius: 12px;
  padding: 36px 32px;
  color: #fff;
}
.hero-card h3{ color: #fff; font-size: 16px; margin-bottom: 18px; font-family: var(--font-body); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; }
.hero-stat{ display: flex; justify-content: space-between; align-items: baseline; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
.hero-stat:last-child{ border-bottom: none; }
.hero-stat .label{ font-size: 13px; color: #9DBDE0; }
.hero-stat .value{ font-family: 'Poppins', sans-serif; font-size: 20px; color: #fff; font-weight: 700; }
.hero-stat .value.red{ color: #FF6B7A; }

.red-bar{ height: 4px; background: var(--red); border-radius: 2px; margin: 22px 0 10px; }

/* ---------- Section shell ---------- */
.section{ padding: 60px 0; }
.section-head{ margin-bottom: 32px; }
.section-head h2{ font-size: clamp(24px, 2.8vw, 32px); }
.section-sub{ color: var(--muted); font-size: 15px; max-width: 560px; margin-top: 8px; }

.section-dark{ background: var(--blue-deep); }
.section-dark h2, .section-dark .eyebrow{ color: #fff; }
.section-dark .section-sub{ color: #9DBDE0; }

.section-tint{ background: var(--blue-soft); }

/* ---------- Course cards ---------- */
.courses-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.course-card{
  background: var(--paper);
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  display: flex; flex-direction: column; gap: 14px;
  transition: border-color .2s, box-shadow .2s, transform .15s;
}
.course-card:hover{ border-color: var(--blue); box-shadow: var(--shadow); transform: translateY(-3px); }

.course-card.featured{
  grid-column: span 3;
  background: var(--blue-deep);
  border-color: var(--blue-deep);
  color: #fff;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}
.course-card.featured h3{ color: #fff; }
.course-card.featured .course-desc{ color: #9DBDE0; }
.course-card.featured .course-fee{ color: #fff; }

.course-label{
  display: inline-block;
  background: var(--blue-soft);
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
  font-weight: 600;
  margin-bottom: 4px;
}
.course-card.featured .course-label{ background: rgba(255,255,255,0.15); color: #C8DDEF; }

.course-card h3{ font-size: 17.5px; }
.course-desc{ color: var(--muted); font-size: 14px; flex: 1; }
.course-fee{ font-family: var(--font-mono); font-weight: 700; color: var(--blue-deep); font-size: 18px; }
.course-duration{ font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
.course-meta{ display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }

/* ---------- Gallery filmstrip ---------- */
.filmstrip{
  display: flex; gap: 16px; overflow-x: auto; padding: 8px 4px 20px;
  scroll-snap-type: x proximity;
}
.filmstrip::-webkit-scrollbar{ height: 6px; }
.filmstrip::-webkit-scrollbar-thumb{ background: var(--blue-line); border-radius: 6px; }

.film-card{
  scroll-snap-align: start;
  flex: 0 0 270px;
  background: var(--paper);
  border-radius: 8px;
  padding: 8px;
  border: 1.5px solid var(--line);
  box-shadow: 0 2px 8px rgba(0,30,90,0.06);
}
.film-card img{
  width: 100%; height: 185px; object-fit: cover; border-radius: 5px; display: block;
}
.film-cap{ padding: 10px 6px 4px; }
.film-cap .ft{ font-weight: 600; font-size: 14px; color: var(--blue-deep); }
.film-cap .fd{ font-family: var(--font-mono); font-size: 11.5px; color: var(--muted); margin-top: 2px; }

/* ---------- Steps (how it works) ---------- */
.steps{ display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.step{ padding-top: 16px; position: relative; }
.step::before{
  content: ''; position: absolute; top: 0; left: 0; width: 32px; height: 3px;
  background: var(--red);
}
.step-num{
  font-family: var(--font-mono); font-size: 11px; color: var(--red); font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; display: block; margin-bottom: 10px;
}
.step h4{ font-size: 14.5px; color: #fff; margin-bottom: 6px; font-family: var(--font-body); font-weight: 600; }
.step p{ font-size: 13px; color: #9DBDE0; }

/* ---------- Panel / card ---------- */
.panel{
  background: var(--paper);
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.panel-sm{ padding: 20px; }

/* ---------- Forms ---------- */
.form-row{ margin-bottom: 17px; }
.form-row label{ display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--blue-deep); }
.form-row .hint{ font-size: 12px; color: var(--muted); margin-top: 4px; }

input[type=text], input[type=email], input[type=tel], input[type=date],
input[type=number], input[type=password], input[type=file], select, textarea{
  width: 100%; padding: 10px 14px;
  border-radius: 6px; border: 1.5px solid var(--line);
  font-family: var(--font-body); font-size: 14.5px;
  background: var(--paper); color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus{
  outline: none; border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-soft);
}
.form-grid-2{ display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

/* ---------- Badges ---------- */
.badge{
  display: inline-block; padding: 3px 10px;
  border-radius: 4px; font-size: 11.5px; font-weight: 600;
  font-family: var(--font-mono);
}
.badge-secondary{ background: #EEF0F5; color: #4A5270; }
.badge-warning{ background: #FEF3CD; color: #7A5500; }
.badge-info{ background: var(--blue-soft); color: var(--blue); }
.badge-danger{ background: var(--red-soft); color: var(--red-mid); }
.badge-success{ background: #E3F5E8; color: #1A6B30; }
.badge-teal{ background: var(--blue-soft); color: var(--blue-deep); }

/* ---------- Tables ---------- */
table.data-table{ width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table th{
  text-align: left; font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
  padding: 10px 14px; border-bottom: 2px solid var(--blue-soft);
}
.data-table td{ padding: 13px 14px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.data-table tr:hover td{ background: var(--paper-2); }

/* ---------- Alerts ---------- */
.alert{ padding: 13px 18px; border-radius: 7px; font-size: 14px; margin-bottom: 18px; border-left: 4px solid; }
.alert-success{ background: #E3F5E8; color: #1A6B30; border-color: #2E9B4E; }
.alert-danger{ background: var(--red-soft); color: var(--red-mid); border-color: var(--red); }
.alert-info{ background: var(--blue-soft); color: var(--blue); border-color: var(--blue); }

/* ---------- Footer ---------- */
.footer{ background: var(--blue-deep); color: #9DBDE0; padding: 50px 0 24px; }
.footer-top-bar{ height: 4px; background: var(--red); margin-bottom: 0; }
.footer h4{ color: #fff; font-size: 14px; font-family: var(--font-body); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 14px; }
.footer a{ color: #9DBDE0; }
.footer a:hover{ color: #fff; text-decoration: none; }
.footer-grid{ display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; padding-top: 40px; margin-bottom: 32px; }
.footer-bottom{ border-top: 1px solid rgba(255,255,255,0.1); padding-top: 18px; font-size: 12px; color: #6A86AA; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

/* ---------- Certificate ---------- */
.certificate{
  background: #fff; border: 8px solid var(--blue); padding: 50px;
  max-width: 880px; margin: 0 auto; position: relative;
}
.certificate::before{
  content: ''; position: absolute; inset: 14px; border: 1.5px solid var(--red);
}
.cert-inner{ position: relative; text-align: center; padding: 20px; }
.cert-org{ font-family: var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase; font-size: 12.5px; color: var(--muted); }
.cert-title{ font-family: 'Poppins', sans-serif; font-size: 36px; color: var(--blue-deep); margin: 10px 0 6px; }
.cert-name{ font-family: 'Poppins', sans-serif; font-size: 28px; color: var(--red); margin: 16px 0; }
.cert-meta{ font-size: 14px; color: var(--muted); margin-bottom: 24px; }
.cert-foot{ display: flex; justify-content: space-between; align-items: flex-end; margin-top: 40px; text-align: left; }
@media print{
  .no-print{ display: none !important; }
  body{ background: #fff; }
}

/* ---------- Verify page ---------- */
.verify-hero{ text-align: center; padding: 60px 0 30px; }
.verify-badge{
  width: 80px; height: 80px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; margin: 0 auto 18px;
  font-size: 28px;
}
.verify-badge.ok{ background: #E3F5E8; color: #2E9B4E; font-weight: 700; }
.verify-badge.fail{ background: var(--red-soft); color: var(--red); font-weight: 700; }

/* ---------- Admin / Instructor shell ---------- */
.admin-shell{ display: flex; min-height: 100vh; }

.admin-sidebar{
  width: 230px; flex-shrink: 0;
  background: var(--blue-deep);
  padding: 20px 14px;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
  border-right: 3px solid var(--red);
}
.admin-sidebar .brand-text strong{ color: #fff; font-size: 15px; }
.admin-sidebar .brand-text span{ color: #9DBDE0; }
.admin-sidebar .brand-logo{ height: 38px; }

.admin-nav a{
  display: block; color: #9DBDE0; font-size: 13.5px; font-weight: 500;
  padding: 9px 12px; border-radius: 6px; margin-bottom: 2px;
  transition: background .12s, color .12s;
}
.admin-nav a:hover{ background: rgba(255,255,255,0.07); color: #fff; text-decoration: none; }
.admin-nav a.active{ background: var(--red); color: #fff; }
.admin-nav .nav-section{
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase; color: #4A6A8E; margin: 16px 0 5px 12px;
}

.admin-main{ flex: 1; padding: 30px 36px; min-width: 0; background: var(--paper-2); }
.admin-topbar{ display: flex; justify-content: space-between; align-items: center; margin-bottom: 26px; flex-wrap: wrap; gap: 12px; }
.admin-topbar h1{ font-size: 22px; margin: 0; }

.stat-grid{ display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; margin-bottom: 28px; }
.stat-card{ background: var(--paper); border: 1.5px solid var(--line); border-radius: var(--radius); padding: 20px; border-top: 3px solid var(--blue); }
.stat-card .label{ font-family: var(--font-mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.stat-card .value{ font-family: 'Poppins', sans-serif; font-size: 32px; color: var(--blue-deep); margin-top: 6px; }

.toolbar{ display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; flex-wrap: wrap; gap: 10px; }
.filter-tabs{ display: flex; gap: 8px; flex-wrap: wrap; }
.filter-tabs a{
  font-size: 12.5px; padding: 6px 14px; border-radius: 4px;
  background: var(--paper); border: 1.5px solid var(--line); color: var(--muted);
  text-decoration: none;
}
.filter-tabs a:hover{ text-decoration: none; border-color: var(--blue); color: var(--blue); }
.filter-tabs a.active{ background: var(--blue); color: #fff; border-color: var(--blue); }

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
  .courses-grid{ grid-template-columns: 1fr 1fr; }
  .course-card.featured{ grid-column: span 2; grid-template-columns: 1fr; }
  .form-grid-2{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; }
  .steps{ grid-template-columns: 1fr 1fr; }
  .stat-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px){
  .nav-links{ display: none; }
  .courses-grid{ grid-template-columns: 1fr; }
  .course-card.featured{ grid-template-columns: 1fr; }
  .steps{ grid-template-columns: 1fr; }
  .cert-foot{ flex-direction: column; gap: 16px; align-items: center; text-align: center; }
  .admin-shell{ flex-direction: column; }
  .admin-sidebar{ width: 100%; height: auto; position: relative; }
}

/* ===== MOBILE: admin pages ===== */
@media(max-width:700px){
  .admin-main{ padding:16px !important; }
  .stat-grid { grid-template-columns:1fr 1fr !important; gap:12px !important; }
  .form-grid-2 { grid-template-columns:1fr !important; }
  .admin-topbar h1{ font-size:18px !important; }
  .panel{ padding:16px !important; }
  .data-table th,.data-table td{ padding:8px 10px !important; font-size:12.5px !important; }
  .btn{ font-size:12.5px !important; padding:7px 12px !important; }
}
/* ===== MOBILE: public pages ===== */
@media(max-width:700px){
  .container,.container-narrow{ padding:0 16px !important; }
  h1{ font-size:24px !important; }
  h2{ font-size:20px !important; }
  .panel{ padding:16px !important; }
  .form-grid-2{ grid-template-columns:1fr !important; }
  .courses-grid{ grid-template-columns:1fr !important; }
  .steps{ grid-template-columns:1fr 1fr !important; }
  .cert-foot{ flex-direction:column !important; gap:16px !important; align-items:center !important; text-align:center !important; }
}
@media(max-width:480px){
  .steps{ grid-template-columns:1fr !important; }
  .hero-cta{ flex-direction:column !important; }
  .hero-cta a{ text-align:center !important; }
}