/*
  FCS Infotech — careers application modal
  Extends the existing design system tokens (navy/amber, IBM Plex, Space
  Grotesk) defined in styles.css. No new color or type system introduced.
*/

/* ---------- Modal shell ---------- */
.apply-modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: none;
}
.apply-modal.open { display: block; }

.apply-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(22, 33, 58, 0.55);
  backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity 0.25s var(--ease);
}
.apply-modal.open .apply-modal-backdrop { opacity: 1; }

.apply-modal-panel {
  position: relative;
  z-index: 1;
  margin: clamp(1.5rem, 5vh, 4.5rem) auto;
  width: min(760px, calc(100vw - 2rem));
  max-height: calc(100vh - clamp(3rem, 10vh, 9rem));
  background: var(--white);
  border-radius: 10px;
  box-shadow: 0 30px 80px -20px rgba(22, 33, 58, 0.45), 0 10px 30px -10px rgba(22, 33, 58, 0.3);
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(18px) scale(0.98);
  transition: opacity 0.28s var(--ease), transform 0.28s var(--ease);
}
.apply-modal.open .apply-modal-panel { opacity: 1; transform: none; }

.apply-modal-scroll {
  overflow-y: auto;
  padding: clamp(1.6rem, 4vw, 2.8rem);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.apply-modal-close {
  position: absolute;
  top: 1.1rem; right: 1.1rem;
  z-index: 2;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: var(--paper);
  border: 1px solid var(--steel-300);
  border-radius: 50%;
  color: var(--navy);
  cursor: pointer;
  transition: background-color 0.18s var(--ease), transform 0.18s var(--ease), color 0.18s var(--ease);
}
.apply-modal-close:hover { background: var(--navy); color: var(--white); transform: rotate(90deg); }

.apply-modal-head { margin-bottom: 1.4rem; padding-right: 2.5rem; }
.apply-modal-head h2 { font-size: var(--step-2); color: var(--navy-deep); margin-top: 0.35rem; }

/* ---------- Progress steps ---------- */
.apply-progress { margin-bottom: 2rem; }
.apply-steps {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  position: relative;
}
.apply-steps::before {
  content: "";
  position: absolute;
  top: 15px; left: 8%; right: 8%;
  height: 2px;
  background: var(--steel-200);
  z-index: 0;
}
.apply-steps li {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
}
.apply-step-num {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--steel-300);
  color: var(--navy-mid);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  display: flex; align-items: center; justify-content: center;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.apply-step-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--navy-mid);
  display: none;
}
.apply-steps li.active .apply-step-num { border-color: var(--amber); color: var(--amber-deep); background: #fff8ef; }
.apply-steps li.active .apply-step-label,
.apply-steps li.done .apply-step-label { color: var(--navy); }
.apply-steps li.done .apply-step-num { background: var(--amber); border-color: var(--amber); color: var(--white); }
@media (min-width: 640px) { .apply-step-label { display: block; } }

/* ---------- Form layout ---------- */
.apply-step { border: none; margin: 0; padding: 0; animation: applyStepIn 0.32s var(--ease); }
.apply-step legend {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--navy-deep);
  padding: 0;
  margin-bottom: 1.3rem;
}
@keyframes applyStepIn {
  from { opacity: 0; transform: translateX(10px); }
  to { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) { .apply-step { animation: none; } }

.apply-form-grid { grid-template-columns: 1fr 1fr; }

/* Floating-label fields */
.apply-field { position: relative; gap: 0; }
.apply-field input,
.apply-field textarea {
  width: 100%;
  padding: 1.35rem 0.9rem 0.55rem;
  border: 1px solid var(--steel-300);
  border-radius: var(--radius);
  background: var(--white);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}
.apply-field textarea { resize: vertical; min-height: 5rem; padding-top: 1.5rem; }
.apply-field label {
  position: absolute;
  left: 0.9rem; top: 0.95rem;
  font-family: var(--font-body);
  font-size: 1rem;
  text-transform: none;
  letter-spacing: normal;
  color: var(--navy-mid);
  pointer-events: none;
  transition: top 0.16s var(--ease), font-size 0.16s var(--ease), color 0.16s var(--ease);
  background: transparent;
}
.apply-field input:focus,
.apply-field textarea:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(57, 76, 117, 0.12);
}
.apply-field input:focus ~ label,
.apply-field input:not(:placeholder-shown) ~ label,
.apply-field textarea:focus ~ label,
.apply-field textarea:not(:placeholder-shown) ~ label {
  top: 0.4rem;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--navy);
}
.apply-field.invalid input,
.apply-field.invalid textarea { border-color: var(--signal-red); }
.apply-field.invalid label { color: var(--signal-red); }
.apply-field-error {
  display: block;
  min-height: 1.1em;
  font-size: 0.76rem;
  color: var(--signal-red);
  margin-top: 0.3rem;
}
.apply-static-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--navy);
  display: block;
  margin-bottom: 0.4rem;
}

/* Technology chips */
.apply-chip-group { display: flex; flex-wrap: wrap; gap: 0.55rem; }
.apply-chip {
  position: relative;
  cursor: pointer;
}
.apply-chip input { position: absolute; opacity: 0; width: 0; height: 0; }
.apply-chip span {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--steel-300);
  border-radius: 999px;
  color: var(--navy-deep);
  background: var(--white);
  transition: background-color 0.16s var(--ease), border-color 0.16s var(--ease), color 0.16s var(--ease);
}
.apply-chip input:checked ~ span,
.apply-chip input:checked + span {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}
.apply-chip:hover span { border-color: var(--navy-mid); }
.apply-chip input:focus-visible ~ span { outline: 2px solid var(--amber); outline-offset: 2px; }

/* Resume dropzone */
.apply-dropzone {
  border: 2px dashed var(--steel-300);
  border-radius: 10px;
  padding: 2.4rem 1.5rem;
  text-align: center;
  cursor: pointer;
  color: var(--navy);
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}
.apply-dropzone svg { margin: 0 auto 0.8rem; color: var(--navy-mid); }
.apply-dropzone p { margin: 0.2rem 0; }
.apply-dropzone-hint { font-size: 0.8rem; color: var(--navy-mid); }
.apply-dropzone:hover,
.apply-dropzone:focus-visible { border-color: var(--navy); background: var(--steel-100); }
.apply-dropzone.dragover { border-color: var(--amber); background: #fff8ef; }
.apply-dropzone.has-file { display: none; }

.apply-file-preview {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  border: 1px solid var(--steel-300);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  color: var(--navy);
}
.apply-file-preview[hidden] { display: none; }
.apply-file-info { flex: 1; display: flex; flex-direction: column; gap: 0.4rem; min-width: 0; }
.apply-file-info span { font-size: 0.9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.apply-progress-track { height: 6px; background: var(--steel-100); border-radius: 4px; overflow: hidden; }
.apply-progress-track.small { height: 4px; }
.apply-progress-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--navy), var(--amber)); transition: width 0.15s linear; }
.apply-file-remove {
  flex-shrink: 0;
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 1px solid var(--steel-300);
  background: var(--white);
  color: var(--navy);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background-color 0.16s var(--ease), color 0.16s var(--ease);
}
.apply-file-remove:hover { background: var(--signal-red); border-color: var(--signal-red); color: var(--white); }

/* Declaration */
.apply-review {
  background: var(--paper);
  border: var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 1.4rem;
  margin-bottom: 1.4rem;
  font-size: 0.86rem;
  color: var(--navy-deep);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 1.5rem;
}
.apply-review dt { font-family: var(--font-mono); font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--navy-mid); margin: 0; }
.apply-review dd { margin: 0 0 0.6rem; }
.apply-declaration { display: flex; flex-direction: column; gap: 0.9rem; }
.apply-checkbox { display: flex; align-items: flex-start; gap: 0.7rem; font-size: 0.88rem; color: var(--ink); cursor: pointer; }
.apply-checkbox input {
  flex-shrink: 0;
  margin-top: 0.2em;
  width: 17px; height: 17px;
  accent-color: var(--navy);
}
.apply-checkbox a { color: var(--navy); text-decoration: underline; text-decoration-color: var(--steel-300); }
.apply-checkbox a:hover { text-decoration-color: var(--navy); }

/* Honeypot (hidden from real users) */
.apply-honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Footer / nav buttons ---------- */
.apply-modal-footer { margin-top: 1.8rem; padding-top: 1.4rem; border-top: var(--border); }
.apply-nav-buttons { display: flex; justify-content: flex-end; gap: 0.8rem; }
.apply-nav-buttons .btn[hidden] { display: none; }
.apply-form-status { font-size: 0.85rem; margin: 0 0 0.9rem; color: var(--signal-red); }

/* Button gradient hover + ripple */
.apply-submit-btn {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--amber), var(--amber-deep));
  border: none;
}
.apply-submit-btn:hover { background: linear-gradient(135deg, var(--amber-deep), var(--amber)); }
.apply-submit-btn .apply-spinner {
  width: 15px; height: 15px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: applySpin 0.7s linear infinite;
}
.apply-submit-btn.loading .apply-btn-label { opacity: 0.7; }
.apply-submit-btn:disabled { cursor: progress; opacity: 0.85; }
@keyframes applySpin { to { transform: rotate(360deg); } }

.btn.ripple { position: relative; overflow: hidden; }
.apply-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.55);
  transform: scale(0);
  animation: applyRipple 0.55s var(--ease);
  pointer-events: none;
}
@keyframes applyRipple { to { transform: scale(2.6); opacity: 0; } }

/* ---------- Success screen ---------- */
.apply-success { text-align: center; padding: 1.5rem 0.5rem 0.5rem; }
.apply-success-icon {
  width: 74px; height: 74px;
  margin: 0 auto 1.3rem;
  border-radius: 50%;
  background: var(--signal-green);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  animation: applyPop 0.45s var(--ease);
}
@keyframes applyPop {
  0% { transform: scale(0.4); opacity: 0; }
  70% { transform: scale(1.08); opacity: 1; }
  100% { transform: scale(1); }
}
.apply-success h2 { font-size: var(--step-2); color: var(--navy-deep); margin-bottom: 0.8rem; }
.apply-success p { color: var(--navy); max-width: 46ch; margin: 0 auto 1.6rem; }
.apply-success-actions { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .apply-modal-panel { margin: 0; width: 100vw; max-height: 100vh; height: 100vh; border-radius: 0; }
  .apply-form-grid { grid-template-columns: 1fr; }
  .apply-review { grid-template-columns: 1fr; }
  .apply-nav-buttons { flex-direction: column-reverse; }
  .apply-nav-buttons .btn { width: 100%; justify-content: center; }
}

body.apply-modal-locked { overflow: hidden; }