/* ==========================================================================
   SWIC Data Management Portal — Shared Stylesheet
   Design language: professional / enterprise / government data system.
   Built on Bootstrap 5 utility classes + a small custom token layer.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=IBM+Plex+Mono:wght@500&display=swap');

:root{
  /* --- Color tokens ------------------------------------------------------ */
  --color-primary:        #0B3D62;   /* deep navy — headers, primary actions */
  --color-primary-dark:   #082C47;
  --color-primary-rgb:    11, 61, 98;
  --color-accent:         #1C6EA4;   /* steel blue — links, active states   */
  --color-accent-light:   #EAF2F8;
  --color-bg:             #F3F6F9;   /* page background                     */
  --color-surface:        #FFFFFF;   /* cards / panels                      */
  --color-border:         #DDE4EA;
  --color-text:           #1F2A37;
  --color-text-muted:     #64748B;
  --color-success:        #1E7F4C;
  --color-success-bg:     #E9F6EE;
  --color-danger:         #C0392B;
  --color-danger-bg:      #FDECEA;
  --color-warning:        #B7791F;

  /* --- Layout tokens ------------------------------------------------------ */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(16,24,40,.06);
  --shadow-md: 0 4px 14px rgba(16,24,40,.08), 0 1px 3px rgba(16,24,40,.06);
  --shadow-lg: 0 12px 32px rgba(16,24,40,.12);

  /* --- Type tokens --------------------------------------------------------*/
  --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
}

*{ box-sizing: border-box; }

html, body{
  height: 100%;
}

body{
  font-family: var(--font-body);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(circle at 100% 0%, rgba(11,61,98,0.04) 0%, transparent 45%),
    radial-gradient(circle at 0% 100%, rgba(28,110,164,0.05) 0%, transparent 40%);
  background-attachment: fixed;
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, .brand-title{
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-primary);
}

.text-muted-custom{ color: var(--color-text-muted); }
.font-mono{ font-family: var(--font-mono); letter-spacing: .01em; }

/* --------------------------------------------------------------------------
   Top application bar
   -------------------------------------------------------------------------- */
.app-topbar{
  background: linear-gradient(100deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}
.app-topbar::after{
  /* subtle "water line" motif — a signature thread through the whole app */
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 6px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 6' preserveAspectRatio='none'%3E%3Cpath d='M0 3 C 10 0, 20 6, 30 3 S 50 0, 60 3 S 80 6, 90 3 S 110 0, 120 3' stroke='%234FA3D1' stroke-width='1.4' fill='none' opacity='0.55'/%3E%3C/svg%3E");
  background-size: 120px 6px;
  background-repeat: repeat-x;
}
.app-topbar .brand-mark{
  width: 42px; height: 42px;
  border-radius: 10px;
  background: rgba(255,255,255,.12);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,.18);
}
.app-topbar .brand-title{ color: #fff; font-size: 1.15rem; margin: 0; }
.app-topbar .brand-subtitle{ color: rgba(255,255,255,.72); font-size: .78rem; margin: 0; }
.app-topbar .badge-env{
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.22);
  color: #fff;
  font-weight: 500;
  font-size: .72rem;
  letter-spacing: .04em;
}

/* Wave divider used under page headers (signature motif, reused sparingly) */
.wave-divider{
  height: 10px;
  width: 100%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 10' preserveAspectRatio='none'%3E%3Cpath d='M0 5 C 15 0, 35 10, 50 5 S 85 0, 100 5 S 135 10, 150 5 S 185 0, 200 5' stroke='%231C6EA4' stroke-width='1.6' fill='none' opacity='0.35'/%3E%3C/svg%3E");
  background-size: 200px 10px;
  background-repeat: repeat-x;
  opacity: .8;
}

/* --------------------------------------------------------------------------
   Landing page — form cards
   -------------------------------------------------------------------------- */
.hero-panel{
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.form-card{
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  height: 100%;
}
.form-card:hover{
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(var(--color-primary-rgb), .25);
}
.form-card .card-icon{
  width: 52px; height: 52px;
  border-radius: 12px;
  background: var(--color-accent-light);
  color: var(--color-accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
}
.form-card .field-count-pill{
  background: var(--color-accent-light);
  color: var(--color-primary);
  font-size: .72rem;
  font-weight: 600;
  padding: .25rem .6rem;
  border-radius: 999px;
}
.form-card .btn-open{
  background: var(--color-primary);
  border-color: var(--color-primary);
  font-weight: 600;
}
.form-card .btn-open:hover{
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

/* --------------------------------------------------------------------------
   Form shell (shared by all 3 form pages)
   -------------------------------------------------------------------------- */
.form-shell{
  max-width: 880px;
  margin: 0 auto;
}

.form-header-card{
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.form-header-card .form-header-accent{
  background: linear-gradient(100deg, var(--color-primary), var(--color-accent));
  height: 6px;
}
.form-header-card .form-header-body{ padding: 1.75rem 2rem; }
.form-header-card .form-title{
  font-size: 1.5rem;
  margin-bottom: .35rem;
}
.form-header-card .form-desc{
  color: var(--color-text-muted);
  font-size: .93rem;
  max-width: 65ch;
}

.panel-card{
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.panel-card .panel-body{ padding: 1.75rem 2rem; }

.section-heading{
  display: flex;
  align-items: center;
  gap: .6rem;
  margin-bottom: 1.25rem;
  padding-bottom: .6rem;
  border-bottom: 1px solid var(--color-border);
}
.section-heading .section-index{
  width: 28px; height: 28px;
  border-radius: 8px;
  background: var(--color-accent-light);
  color: var(--color-primary);
  font-size: .8rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.section-heading h2{
  font-size: 1.02rem;
  margin: 0;
  color: var(--color-primary);
}
.section-heading .section-sub{
  font-size: .78rem;
  color: var(--color-text-muted);
  font-weight: 400;
}

/* Field labels & required marker */
.form-label{
  font-weight: 600;
  font-size: .875rem;
  color: var(--color-text);
  margin-bottom: .35rem;
}
.required-mark{ color: var(--color-danger); margin-left: 2px; }
.field-hint{
  font-size: .78rem;
  color: var(--color-text-muted);
  margin-top: .3rem;
}

/* Inputs */
.form-control, .form-select{
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: .55rem .8rem;
  font-size: .9rem;
  background-color: #FCFDFE;
  transition: border-color .15s ease, box-shadow .15s ease, background-color .15s ease;
}
.form-control:hover, .form-select:hover{ border-color: #B9C6D3; }
.form-control:focus, .form-select:focus{
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(28,110,164,.15);
  background-color: #fff;
}
textarea.form-control{ resize: vertical; min-height: 90px; }

.form-control.is-invalid, .form-select.is-invalid{
  border-color: var(--color-danger);
  background-color: var(--color-danger-bg);
}
.form-control.is-valid, .form-select.is-valid{
  border-color: var(--color-success);
}
.invalid-feedback{ font-size: .78rem; }

/* Radio / checkbox cards */
.choice-group{ display: flex; flex-wrap: wrap; gap: .6rem; }
.choice-pill{
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: .5rem 1rem;
  font-size: .87rem;
  cursor: pointer;
  background: #FCFDFE;
  transition: all .15s ease;
  display: flex; align-items: center; gap: .5rem;
}
.choice-pill:hover{ border-color: var(--color-accent); }
.choice-pill input{ margin: 0; accent-color: var(--color-primary); }
.choice-pill.checked{
  border-color: var(--color-accent);
  background: var(--color-accent-light);
  color: var(--color-primary);
  font-weight: 600;
}

/* File upload dropzone */
.file-drop{
  border: 1.5px dashed var(--color-border);
  border-radius: var(--radius-md);
  background: #FBFCFD;
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s ease, background-color .15s ease;
}
.file-drop:hover, .file-drop.dragover{
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}
.file-drop i{ font-size: 1.6rem; color: var(--color-accent); }
.file-list{ margin-top: .75rem; }
.file-chip{
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--color-accent-light);
  color: var(--color-primary);
  border-radius: 999px;
  padding: .3rem .7rem .3rem .9rem;
  font-size: .8rem;
  margin: .2rem .3rem .2rem 0;
}
.file-chip button{
  border: none; background: transparent; color: var(--color-primary);
  line-height: 1; font-size: .95rem; padding: 0;
}

/* Buttons */
.btn-primary-swic{
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  font-weight: 600;
  padding: .55rem 1.4rem;
  border-radius: var(--radius-sm);
}
.btn-primary-swic:hover{ background: var(--color-primary-dark); border-color: var(--color-primary-dark); color: #fff; }
.btn-outline-swic{
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-weight: 600;
  padding: .55rem 1.4rem;
  border-radius: var(--radius-sm);
  background: #fff;
}
.btn-outline-swic:hover{ border-color: var(--color-accent); color: var(--color-accent); }

/* --------------------------------------------------------------------------
   Stepper / progress indicator (multi-step forms)
   -------------------------------------------------------------------------- */
.stepper{
  display: flex;
  list-style: none;
  padding: 0; margin: 0 0 .5rem 0;
}
.stepper li{
  flex: 1;
  text-align: center;
  position: relative;
  font-size: .78rem;
  color: var(--color-text-muted);
  font-weight: 600;
}
.stepper li .step-circle{
  width: 30px; height: 30px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto .4rem;
  font-size: .8rem;
  color: var(--color-text-muted);
  position: relative;
  z-index: 2;
  transition: all .2s ease;
}
.stepper li::before{
  content: "";
  position: absolute;
  top: 15px; left: -50%; right: 50%;
  height: 2px;
  background: var(--color-border);
  z-index: 1;
}
.stepper li:first-child::before{ display: none; }
.stepper li.active .step-circle{
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-accent-light);
}
.stepper li.active{ color: var(--color-primary); }
.stepper li.completed .step-circle{
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.stepper li.completed::before{ background: var(--color-primary); }
.stepper li.completed{ color: var(--color-primary); }

.progress-swic{
  height: 6px;
  border-radius: 999px;
  background: var(--color-border);
  overflow: hidden;
}
.progress-swic .bar{
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
  transition: width .3s ease;
}

.form-step{ display: none; }
.form-step.active{ display: block; animation: fadeIn .25s ease; }
@keyframes fadeIn{ from{ opacity: 0; transform: translateY(6px);} to{opacity:1; transform: translateY(0);} }

/* --------------------------------------------------------------------------
   Success screen
   -------------------------------------------------------------------------- */
.success-screen{ text-align: center; padding: 2.5rem 1rem; }
.success-icon{
  width: 84px; height: 84px;
  border-radius: 50%;
  background: var(--color-success-bg);
  color: var(--color-success);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.4rem;
  margin: 0 auto 1.25rem;
}
.summary-table{ font-size: .85rem; }
.summary-table th{
  color: var(--color-text-muted);
  font-weight: 600;
  width: 45%;
  background: #FAFBFC;
}
.summary-table td{ font-family: var(--font-mono); font-size: .82rem; }

/* Toast (submission simulation feedback) */
.toast-swic{
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

/* Footer */
.app-footer{
  color: var(--color-text-muted);
  font-size: .8rem;
}

/* Responsive tweaks */
@media (max-width: 767.98px){
  .form-header-card .form-header-body,
  .panel-card .panel-body{ padding: 1.25rem 1.1rem; }
  .stepper li{ font-size: .68rem; }
  .stepper li .step-circle{ width: 26px; height: 26px; }
}

/* Accessible focus ring for keyboard users on interactive non-input elements */
a:focus-visible, button:focus-visible, .choice-pill:focus-within{
  outline: 3px solid rgba(28,110,164,.35);
  outline-offset: 2px;
}