/* ============================================================
   CYRUS — Theme
   Primary: #5555fc  |  Red: #d22125  |  Green: #43ba10
   Orange:  #ff8c00  |  Blue: #0c5aa6
   ============================================================ */

/* ── Nebula Sans font family ────────────────────────────────── */
@font-face {
  font-family: 'Nebula';
  src: url('../fonts/NebulaSans-Light.ttf') format('truetype');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Nebula';
  src: url('../fonts/NebulaSans-LightItalic.ttf') format('truetype');
  font-weight: 300;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Nebula';
  src: url('../fonts/NebulaSans-Book.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Nebula';
  src: url('../fonts/NebulaSans-BookItalic.ttf') format('truetype');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Nebula';
  src: url('../fonts/NebulaSans-Medium.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Nebula';
  src: url('../fonts/NebulaSans-MediumItalic.ttf') format('truetype');
  font-weight: 500;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Nebula';
  src: url('../fonts/NebulaSans-Semibold.ttf') format('truetype');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Nebula';
  src: url('../fonts/NebulaSans-SemiboldItalic.ttf') format('truetype');
  font-weight: 600;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Nebula';
  src: url('../fonts/NebulaSans-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Nebula';
  src: url('../fonts/NebulaSans-BoldItalic.ttf') format('truetype');
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Nebula';
  src: url('../fonts/NebulaSans-Black.ttf') format('truetype');
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Nebula';
  src: url('../fonts/NebulaSans-BlackItalic.ttf') format('truetype');
  font-weight: 900;
  font-style: italic;
  font-display: swap;
}

/* ── Sticky footer ─────────────────────────────────────────── */
body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
body > footer {
  margin-top: auto;
}

/* ── Core palette (overrides Bootstrap CSS variables) ─────── */
:root {
  --bs-font-sans-serif:          'Nebula', system-ui, sans-serif;
  --bs-body-font-family:         var(--bs-font-sans-serif);

  /* Primary */
  --bs-primary:                  #5555fc;
  --bs-primary-rgb:              85, 85, 252;
  --bs-primary-bg-subtle:        #e0e0ff;
  --bs-primary-border-subtle:    #b3b3fd;
  --bs-primary-text-emphasis:    #2222b0;

  /* Success → green */
  --bs-success:                  #43ba10;
  --bs-success-rgb:              67, 186, 16;
  --bs-success-bg-subtle:        #d5f2c5;
  --bs-success-border-subtle:    #a5e07f;
  --bs-success-text-emphasis:    #2a7509;

  /* Danger → red */
  --bs-danger:                   #d22125;
  --bs-danger-rgb:               210, 33, 37;
  --bs-danger-bg-subtle:         #f8d0d1;
  --bs-danger-border-subtle:     #eda4a6;
  --bs-danger-text-emphasis:     #871519;

  /* Warning → orange */
  --bs-warning:                  #ff8c00;
  --bs-warning-rgb:              255, 140, 0;
  --bs-warning-bg-subtle:        #ffe5b3;
  --bs-warning-border-subtle:    #ffca66;
  --bs-warning-text-emphasis:    #a35900;

  /* Info → blue */
  --bs-info:                     #0c5aa6;
  --bs-info-rgb:                 12, 90, 166;
  --bs-info-bg-subtle:           #cddff3;
  --bs-info-border-subtle:       #8fb9e5;
  --bs-info-text-emphasis:       #083f74;

  /* Links */
  --bs-link-color:               #5555fc;
  --bs-link-color-rgb:           85, 85, 252;
  --bs-link-hover-color:         #3333d6;
  --bs-link-hover-color-rgb:     51, 51, 214;

  /* Focus ring */
  --bs-focus-ring-color:         rgba(85, 85, 252, 0.25);
}

/* ── Filled buttons ─────────────────────────────────────────── */
.btn-primary {
  --bs-btn-color:                #fff;
  --bs-btn-bg:                   #5555fc;
  --bs-btn-border-color:         #5555fc;
  --bs-btn-hover-color:          #fff;
  --bs-btn-hover-bg:             #3333d6;
  --bs-btn-hover-border-color:   #3030cc;
  --bs-btn-focus-shadow-rgb:     85, 85, 252;
  --bs-btn-active-color:         #fff;
  --bs-btn-active-bg:            #3030cc;
  --bs-btn-active-border-color:  #2d2dc4;
  --bs-btn-disabled-bg:          #5555fc;
  --bs-btn-disabled-border-color:#5555fc;
}

.btn-success {
  --bs-btn-color:                #fff;
  --bs-btn-bg:                   #43ba10;
  --bs-btn-border-color:         #43ba10;
  --bs-btn-hover-color:          #fff;
  --bs-btn-hover-bg:             #35970d;
  --bs-btn-hover-border-color:   #318d0c;
  --bs-btn-focus-shadow-rgb:     67, 186, 16;
  --bs-btn-active-color:         #fff;
  --bs-btn-active-bg:            #318d0c;
  --bs-btn-active-border-color:  #2e840b;
  --bs-btn-disabled-bg:          #43ba10;
  --bs-btn-disabled-border-color:#43ba10;
}

.btn-danger {
  --bs-btn-color:                #fff;
  --bs-btn-bg:                   #d22125;
  --bs-btn-border-color:         #d22125;
  --bs-btn-hover-color:          #fff;
  --bs-btn-hover-bg:             #a81a1e;
  --bs-btn-hover-border-color:   #9e181c;
  --bs-btn-focus-shadow-rgb:     210, 33, 37;
  --bs-btn-active-color:         #fff;
  --bs-btn-active-bg:            #9e181c;
  --bs-btn-active-border-color:  #94161a;
  --bs-btn-disabled-bg:          #d22125;
  --bs-btn-disabled-border-color:#d22125;
}

.btn-warning {
  --bs-btn-color:                #fff;
  --bs-btn-bg:                   #ff8c00;
  --bs-btn-border-color:         #ff8c00;
  --bs-btn-hover-color:          #fff;
  --bs-btn-hover-bg:             #cc7000;
  --bs-btn-hover-border-color:   #bf6900;
  --bs-btn-focus-shadow-rgb:     255, 140, 0;
  --bs-btn-active-color:         #fff;
  --bs-btn-active-bg:            #bf6900;
  --bs-btn-active-border-color:  #b36200;
  --bs-btn-disabled-bg:          #ff8c00;
  --bs-btn-disabled-border-color:#ff8c00;
}

.btn-info {
  --bs-btn-color:                #fff;
  --bs-btn-bg:                   #0c5aa6;
  --bs-btn-border-color:         #0c5aa6;
  --bs-btn-hover-color:          #fff;
  --bs-btn-hover-bg:             #094885;
  --bs-btn-hover-border-color:   #08437c;
  --bs-btn-focus-shadow-rgb:     12, 90, 166;
  --bs-btn-active-color:         #fff;
  --bs-btn-active-bg:            #08437c;
  --bs-btn-active-border-color:  #083f74;
  --bs-btn-disabled-bg:          #0c5aa6;
  --bs-btn-disabled-border-color:#0c5aa6;
}

/* ── Outline buttons ────────────────────────────────────────── */
.btn-outline-primary {
  --bs-btn-color:                #5555fc;
  --bs-btn-border-color:         #5555fc;
  --bs-btn-hover-bg:             #5555fc;
  --bs-btn-hover-border-color:   #5555fc;
  --bs-btn-focus-shadow-rgb:     85, 85, 252;
  --bs-btn-active-bg:            #5555fc;
  --bs-btn-active-border-color:  #5555fc;
  --bs-btn-disabled-color:       #5555fc;
  --bs-btn-disabled-border-color:#5555fc;
}

.btn-outline-danger {
  --bs-btn-color:                #d22125;
  --bs-btn-border-color:         #d22125;
  --bs-btn-hover-bg:             #d22125;
  --bs-btn-hover-border-color:   #d22125;
  --bs-btn-focus-shadow-rgb:     210, 33, 37;
  --bs-btn-active-bg:            #d22125;
  --bs-btn-active-border-color:  #d22125;
  --bs-btn-disabled-color:       #d22125;
  --bs-btn-disabled-border-color:#d22125;
}

/* ── Form controls ──────────────────────────────────────────── */
.form-control:focus,
.form-select:focus {
  border-color: #5555fc;
  box-shadow: 0 0 0 0.25rem rgba(85, 85, 252, 0.25);
}

/* Override Bootstrap's hardcoded blue dropdown arrow with purple */
.form-select {
  --bs-form-select-bg-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%235555fc' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

input[type="radio"],
input[type="checkbox"] {
  accent-color: #5555fc;
}

/* Bootstrap 5 uses appearance:none + SVG backgrounds for .form-check-input,
   so accent-color has no effect — override the CSS variables directly. */
.form-check-input:checked {
  background-color: #5555fc;
  border-color: #5555fc;
}
.form-check-input:focus {
  border-color: #5555fc;
  box-shadow: 0 0 0 0.25rem rgba(85, 85, 252, 0.25);
}
.form-check-input:checked[type="checkbox"] {
  --bs-form-check-bg-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='m6 10 3 3 6-6'/%3e%3c/svg%3e");
}
.form-check-input:checked[type="radio"] {
  --bs-form-check-bg-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='2' fill='%23fff'/%3e%3c/svg%3e");
}

/* ── Range slider thumb ─────────────────────────────────────── */
.form-range::-webkit-slider-thumb {
  background-color: #5555fc;
}
.form-range::-webkit-slider-thumb:active {
  background-color: #3333d6;
}
.form-range:focus::-webkit-slider-thumb {
  box-shadow: 0 0 0 1px #fff, 0 0 0 0.25rem rgba(85, 85, 252, 0.25);
}
.form-range::-moz-range-thumb {
  background-color: #5555fc;
  border-color: #5555fc;
}
.form-range::-moz-range-thumb:active {
  background-color: #3333d6;
}

/* ── Hide number-input spinners ─────────────────────────────── */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type="number"] {
  -moz-appearance: textfield;
}

/* ── Session code display ───────────────────────────────────── */
.session-code {
  letter-spacing: 0.12em;
}

/* ── Student content area ───────────────────────────────────── */
#content-area {
  max-width: 640px;
  margin: 0 auto;
  padding: 1.5rem 0;
}

/* ── Drag-and-drop question list ────────────────────────────── */
.drag-handle {
  cursor: grab;
  font-size: 1.1rem;
  line-height: 1;
  color: #bbb;
  user-select: none;
  flex-shrink: 0;
  padding: 0 4px;
}
.drag-handle:active { cursor: grabbing; }

.question-item {
  transition: opacity 0.1s, background-color 0.1s;
}
.question-item.dragging {
  opacity: 0.35;
}
.question-item.drag-above {
  box-shadow: 0 -2px 0 0 #5555fc;
}
.question-item.drag-below {
  box-shadow: 0 2px 0 0 #5555fc;
}