/* ============================================================
   FONTS & VARIABLES
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Kalam:wght@300;400&display=swap');

:root {
    --font-ui:   'Inter', sans-serif;
    --font-note: 'Kalam', cursive;

    /* Control bar */
    --ctrl-h:    64px;
    --ctrl-bg:   #111827;

    /* Section background colors */
    --c-think:     #FDF2F8;
    --c-see:       #FFFBEB;
    --c-hear:      #FAF5FF;
    --c-say:       #F0FDF4;
    --c-pain:      #FFF1F2;
    --c-gain:      #EFF6FF;
    --c-solutions: #F0FDFA;

    /* Section active-border colors */
    --a-think:     #EC4899;
    --a-see:       #F59E0B;
    --a-hear:      #A855F7;
    --a-say:       #22C55E;
    --a-pain:      #EF4444;
    --a-gain:      #3B82F6;
    --a-solutions: #14B8A6;

    /* Student dynamic vars (overridden by JS) */
    --group-color:  #FFD43B;
    --phase-color:  #F3F4F6;
    --phase-accent: #9CA3AF;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,.06), 0 1px 3px rgba(0,0,0,.10);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,.10), 0 2px 4px -1px rgba(0,0,0,.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.10), 0 4px 6px -2px rgba(0,0,0,.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,.10), 0 10px 10px -5px rgba(0,0,0,.04);
}

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

body { font-family: var(--font-ui); color: #111827; overflow: hidden; }

/* ============================================================
   ADMIN — CONTROL BAR
   ============================================================ */
#ctrl-bar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--ctrl-h);
    background: var(--ctrl-bg);
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 16px;
    z-index: 9000;
    border-bottom: 1px solid rgba(255,255,255,.08);
    box-shadow: 0 2px 8px rgba(0,0,0,.4);
}

#ctrl-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    color: #F9FAFB;
}
.brand-icon { font-size: 1.3rem; }
.brand-text {
    font-weight: 800;
    font-size: 0.9rem;
    letter-spacing: -0.01em;
    white-space: nowrap;
}

#ctrl-phases {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
    justify-content: center;
    overflow-x: auto;
    scrollbar-width: none;
    padding: 0 4px;
}
#ctrl-phases::-webkit-scrollbar { display: none; }

.phase-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    border-radius: 9999px;
    border: 1px solid rgba(255,255,255,.15);
    background: rgba(255,255,255,.06);
    color: rgba(255,255,255,.65);
    font-family: var(--font-ui);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s ease;
    flex-shrink: 0;
}
.phase-btn:hover { background: rgba(255,255,255,.14); color: #fff; }
.pb-emoji { font-size: 0.95rem; }

/* Active phase button colors */
.phase-btn[data-phase="think_feel"].active { background: #FCE4EC; color: #9D174D; border-color: #EC4899; }
.phase-btn[data-phase="see"].active        { background: #FEF3C7; color: #92400E; border-color: #F59E0B; }
.phase-btn[data-phase="hear"].active       { background: #F3E8FF; color: #6B21A8; border-color: #A855F7; }
.phase-btn[data-phase="say_do"].active     { background: #DCFCE7; color: #166534; border-color: #22C55E; }
.phase-btn[data-phase="pain"].active       { background: #FEE2E2; color: #991B1B; border-color: #EF4444; }
.phase-btn[data-phase="gain"].active       { background: #DBEAFE; color: #1E40AF; border-color: #3B82F6; }
.phase-btn[data-phase="solutions"].active  { background: #CCFBF1; color: #134E4A; border-color: #14B8A6; }

#ctrl-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.ctrl-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 13px;
    border-radius: 7px;
    border: 1px solid rgba(255,255,255,.15);
    background: rgba(255,255,255,.07);
    color: rgba(255,255,255,.85);
    font-family: var(--font-ui);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s ease;
}
.ctrl-btn:hover  { background: rgba(255,255,255,.14); color: #fff; }
.ctrl-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.ctrl-btn-danger:hover { background: #EF4444; border-color: #EF4444; color: #fff; }

/* ============================================================
   ADMIN — MAP WRAPPER
   ============================================================ */
#map-wrapper {
    margin-top: var(--ctrl-h);
    width: 100vw;
    height: calc(100vh - var(--ctrl-h));
    overflow: hidden;
    background: #374151;
    display: flex;
    align-items: center;
    justify-content: center;
}

#empathy-map {
    width: 100%;
    height: 100%;
    background: #fff;
    display: flex;
    flex-direction: column;
    position: relative;
    pointer-events: none;
}

/* ── Upper Canvas ── */
.upper-canvas {
    flex: 3;
    position: relative;
    width: 100%;
    background: transparent;
    pointer-events: none;
}

/* ── Triangle Background Fills ── */
/* Separate clipped divs so sections have no clip-path and notes are never cut off */
.quad-bg {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none;
}
.bg-think { background: var(--c-think); clip-path: polygon(0% 0%, 100% 0%, 50% 50%); }
.bg-see   { background: var(--c-see);   clip-path: polygon(100% 0%, 100% 100%, 50% 50%); }
.bg-say   { background: var(--c-say);   clip-path: polygon(0% 100%, 100% 100%, 50% 50%); }
.bg-hear  { background: var(--c-hear);  clip-path: polygon(0% 0%, 0% 100%, 50% 50%); }

/* ── X Divider Lines ── */
/* No z-index — DOM order places this above .quad-bg but below sections */
.canvas-x-lines {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}
.canvas-x-lines line {
    stroke: rgba(0,0,0,0.13);
    stroke-width: 0.5;
}

/* ── Active Outline SVG ── */
/* z-index: 50 — above section headers (z:20) but below center-persona (z:100) */
#active-outline-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 50;
    pointer-events: none;
}
#active-outline-svg polygon {
    fill: none;
    stroke-width: 4;
    vector-effect: non-scaling-stroke;
    display: none;
}
#active-outline-svg polygon.active-poly {
    display: block;
    animation: polyPulse 2s ease-in-out infinite;
}
@keyframes polyPulse {
    0%, 100% { stroke-opacity: 1; }
    50%       { stroke-opacity: 0.4; }
}

/* ── Quadrants ── */
.quadrant {
    position: absolute;
    padding: 10px;
    display: flex;
    flex-direction: column;
    overflow: visible;
    pointer-events: none;
    transition: box-shadow 0.3s ease;
}

/* Per-section active border color (always set, only used when .section-active) */
#think_feel  { --active-border: var(--a-think); }
#see         { --active-border: var(--a-see); }
#hear        { --active-border: var(--a-hear); }
#say_do      { --active-border: var(--a-say); }
#pain        { --active-border: var(--a-pain); }
#gain        { --active-border: var(--a-gain); }
#solutions   { --active-border: var(--a-solutions); }

.footer-section.section-active {
    box-shadow: inset 0 0 0 4px var(--active-border, #6B7280);
    animation: pulseBorder 2s ease-in-out infinite;
}
@keyframes pulseBorder {
    0%, 100% { box-shadow: inset 0 0 0 4px var(--active-border, #6B7280); }
    50%       { box-shadow: inset 0 0 0 2px var(--active-border, #6B7280); }
}

.quadrant .section-content {
    position: absolute;
    display: flex;
    flex-direction: column;
    overflow: visible;
    pointer-events: none;
}

/* ── Section Headers ── */
.section-header {
    position: absolute;
    z-index: 20;
    background: rgba(255,255,255,.65);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    padding: 3px 10px;
    border-radius: 7px;
    box-shadow: var(--shadow-sm);
    pointer-events: none;
}
.section-header h2 {
    font-size: clamp(0.6rem, 1.7vh, 0.95rem);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #1F2937;
    white-space: nowrap;
}

/* ── Notes Area Grid ── */
.notes-area {
    display: grid;
    grid-template-columns: repeat(4, 110px);
    grid-auto-rows: 110px;       /* Unlimited rows: wrap at 4, 5th auto starts row 2 */
    gap: 3px;
    padding: 4px;
    justify-content: center;
    align-content: start;        /* Rows pack from top, no centering */
    overflow: visible;
    pointer-events: none;
}

/* ── Quadrant Positions ── */

/* All 4 upper sections span the full upper canvas; clip-path cuts each to its triangle */
.top-section, .right-section, .bottom-section, .left-section {
    top: 0; left: 0; right: 0; bottom: 0;
}

/* No clip-path on sections — backgrounds come from .quad-bg divs.
   Removing clip-path ensures sticky notes are never cut off at diagonal edges. */

/* Section Headers — absolutely positioned within each triangular region */
.top-section > .section-header    { top: 12px;    left: 50%;  transform: translateX(-50%); }
.right-section > .section-header  { top: 50%;     right: 14px; transform: translateY(-50%); }
.bottom-section > .section-header { bottom: 12px; left: 50%;  transform: translateX(-50%); }
.left-section > .section-header   { top: 50%;     left: 14px; transform: translateY(-50%); }

/* Notes Content Areas — positioned in the safe inner zone of each triangle */
.top-section .section-content    { top: 42px;    left: 50%;  transform: translateX(-50%); width: 48%; }
.right-section .section-content  { top: 50%;     right: 14px; transform: translateY(-50%); width: 38%; }
.bottom-section .section-content { bottom: 42px; left: 50%;  transform: translateX(-50%); width: 48%; }
.left-section .section-content   { top: 50%;     left: 14px; transform: translateY(-50%); width: 38%; }

/* ── Center Persona ── */
.center-persona {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: clamp(60px, 8.5vh, 88px);
    height: clamp(60px, 8.5vh, 88px);
    background: #fff;
    border-radius: 50%;
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 4px #fff, 0 0 0 7px #E5E7EB, var(--shadow-lg);
    pointer-events: auto;
    transition: transform 0.25s ease;
}
.center-persona:hover { transform: translate(-50%, -50%) scale(1.1); }
.persona-avatar { font-size: clamp(1.5rem, 3.8vh, 2.4rem); }
.persona-label {
    font-size: clamp(0.45rem, 1vh, 0.7rem);
    font-weight: 800;
    letter-spacing: 0.1em;
    color: #4B5563;
    margin-top: 1px;
}

/* ── Sticky Notes ── */
.sticky-note,
.section-header { pointer-events: auto !important; }

.footer-section .sticky-note,
.footer-section .section-header { pointer-events: auto; }

.sticky-note {
    width: 100%;
    max-width: 100px;
    aspect-ratio: 1 / 1;
    padding: 6px 7px;
    border-radius: 3px;
    font-family: var(--font-note);
    font-size: 0.83rem;
    color: rgba(0,0,0,.72);
    overflow: hidden;
    cursor: context-menu;
    box-shadow: 2px 3px 5px rgba(0,0,0,.18), -1px -1px 0 rgba(0,0,0,.06);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-origin: center center;
    animation: noteIn 0.25s ease;
    /* Grid items support z-index without position; 60 > active-outline-svg (50) */
    z-index: 60;
}
@keyframes noteIn {
    from { opacity: 0; transform: scale(0.7) rotate(-2deg); }
    to   { opacity: 1; transform: scale(1) rotate(0deg); }
}
.sticky-note:hover {
    transform: scale(3.5);
    z-index: 10000 !important;
    overflow: visible;
    white-space: normal;
    box-shadow: 0 20px 40px rgba(0,0,0,.3);
}
/* Prevent clipping at edges */
#pain .sticky-note, #gain .sticky-note,
#solutions .sticky-note, #say_do .sticky-note { transform-origin: bottom center; }
#hear .sticky-note { transform-origin: left center; }
#see .sticky-note  { transform-origin: right center; }

.note-content {
    word-break: break-word;
    line-height: 1.25;
    flex: 1;
}
.note-group {
    font-family: var(--font-ui);
    font-size: 0.5rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-align: right;
    color: rgba(0,0,0,.55);
    margin-top: 3px;
}

/* ── Lower Footer ── */
.lower-footer {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    pointer-events: none;
}

.footer-section {
    position: relative;
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    overflow: visible;
    pointer-events: none;
    transition: box-shadow 0.3s ease;
}
.footer-section .section-header { top: 12px; left: 14px; }

.pain-section      { background: var(--c-pain);      border-top: 2px solid rgba(239,68,68,.25); }
.gain-section      { background: var(--c-gain);      border-top: 2px solid rgba(59,130,246,.25); border-left: 1px solid rgba(0,0,0,.06); border-right: 1px solid rgba(0,0,0,.06); }
.solutions-section { background: var(--c-solutions); border-top: 2px solid rgba(20,184,166,.25); }

/* ── Copyright ── */
.copyright {
    position: absolute;
    bottom: 5px; right: 10px;
    font-size: 9px;
    color: #9CA3AF;
    pointer-events: none;
    z-index: 10;
    letter-spacing: 0.03em;
}

/* ============================================================
   SHARED MODALS
   ============================================================ */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.72);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 99000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.modal-overlay.active { display: flex; }

.modal-card {
    background: #fff;
    border-radius: 18px;
    padding: 32px 28px;
    max-width: 400px;
    width: 100%;
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    text-align: center;
    animation: modalIn 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes modalIn {
    from { transform: scale(0.88); opacity: 0; }
    to   { transform: scale(1);    opacity: 1; }
}
.modal-card-sm { max-width: 340px; }

.modal-title   { font-size: 1.2rem; font-weight: 800; color: #111827; }
.modal-desc    { color: #6B7280; font-size: 0.88rem; line-height: 1.55; }
.modal-hint    { color: #9CA3AF; font-size: 0.78rem; }
.modal-warn-icon { font-size: 2.4rem; }

#modal-url {
    font-size: 0.72rem;
    color: #6B7280;
    word-break: break-all;
    background: #F9FAFB;
    padding: 7px 14px;
    border-radius: 7px;
    border: 1px solid #E5E7EB;
    width: 100%;
}

.modal-btns { display: flex; gap: 10px; width: 100%; }
.modal-btn {
    flex: 1;
    padding: 11px 16px;
    border-radius: 9px;
    border: none;
    font-family: var(--font-ui);
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s;
}
.modal-btn-danger    { background: #EF4444; color: #fff; }
.modal-btn-danger:hover { background: #DC2626; }
.modal-btn-secondary { background: #F3F4F6; color: #374151; }
.modal-btn-secondary:hover { background: #E5E7EB; }

.modal-close-btn {
    padding: 9px 26px;
    background: #111827;
    color: #fff;
    border: none;
    border-radius: 9px;
    font-family: var(--font-ui);
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.15s;
}
.modal-close-btn:hover { background: #374151; }

/* ============================================================
   STUDENT — GROUP SELECTION
   ============================================================ */
.student-page { overflow: hidden; height: 100vh; }

#group-select-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background: linear-gradient(150deg, #F0F9FF 0%, #EEF2FF 50%, #FDF4FF 100%);
    padding: 20px;
}

#group-select-wrap {
    max-width: 460px;
    width: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.student-logo     { font-size: 3.2rem; margin-bottom: 2px; }
.student-title    { font-size: 1.75rem; font-weight: 800; color: #111827; letter-spacing: -0.03em; }
.student-subtitle { color: #6B7280; font-size: 0.95rem; margin-bottom: 6px; }

#group-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
    width: 100%;
    margin-top: 6px;
}

.group-sel-btn {
    padding: 20px 8px;
    border: none;
    border-radius: 14px;
    font-family: var(--font-ui);
    font-size: 0.9rem;
    font-weight: 700;
    color: rgba(0,0,0,.68);
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s;
    box-shadow: var(--shadow-sm);
}
.group-sel-btn:hover  { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.group-sel-btn:active { transform: translateY(-1px); }

/* ============================================================
   STUDENT — GAME SCREEN
   ============================================================ */
#game-screen {
    display: none;
    flex-direction: column;
    height: 100vh;
    background: #F9FAFB;
}

#game-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: #fff;
    border-bottom: 1px solid #E5E7EB;
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

#group-chip {
    display: flex;
    align-items: center;
    gap: 7px;
    font-weight: 800;
    font-size: 0.95rem;
    color: #111827;
}
#group-chip-dot { font-size: 0.7rem; transition: color 0.3s; }

#conn-status {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 9999px;
    letter-spacing: 0.01em;
}
.conn-online  { background: #DCFCE7; color: #166534; }
.conn-offline { background: #FEE2E2; color: #991B1B; }

#change-group-btn {
    margin-left: auto;
    font-size: 0.72rem;
    color: #9CA3AF;
    background: none;
    border: 1px solid #E5E7EB;
    padding: 4px 11px;
    border-radius: 7px;
    cursor: pointer;
    font-family: var(--font-ui);
    font-weight: 500;
    transition: all 0.15s;
}
#change-group-btn:hover { background: #F3F4F6; color: #374151; }

#game-main {
    flex: 1;
    overflow-y: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px 20px;
}

/* Waiting State */
#waiting-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
    color: #9CA3AF;
    padding: 40px 20px;
    max-width: 300px;
}
.waiting-anim {
    font-size: 3rem;
    animation: bob 2.4s ease-in-out infinite;
}
@keyframes bob {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-10px); }
}
#waiting-state h2 { font-size: 1.35rem; font-weight: 800; color: #374151; }
#waiting-state p  { font-size: 0.88rem; line-height: 1.6; }

/* Phase Form */
#phase-form {
    display: none;
    flex-direction: column;
    gap: 14px;
    width: 100%;
    max-width: 520px;
    animation: fadeUp 0.3s ease;
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

#phase-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 18px;
    border-radius: 9999px;
    background: var(--phase-color, #F3F4F6);
    border: 2px solid var(--phase-accent, #D1D5DB);
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--phase-accent, #374151);
    align-self: flex-start;
    transition: background 0.3s, border-color 0.3s, color 0.3s;
}
#phase-chip-emoji { font-size: 1.2rem; }

#phase-desc {
    font-size: 0.87rem;
    color: #6B7280;
    line-height: 1.6;
    padding: 10px 14px;
    background: #fff;
    border-radius: 9px;
    border-left: 3px solid var(--phase-accent, #D1D5DB);
    transition: border-color 0.3s;
}

#note-textarea {
    width: 100%;
    min-height: 130px;
    padding: 14px 16px;
    font-size: 1rem;
    font-family: var(--font-note);
    line-height: 1.55;
    border: 2px solid #E5E7EB;
    border-radius: 12px;
    resize: vertical;
    background: #fff;
    transition: border-color 0.15s, box-shadow 0.15s;
    -webkit-appearance: none;
}
#note-textarea:focus {
    outline: none;
    border-color: var(--phase-accent, #6B7280);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--phase-accent, #6B7280) 15%, transparent);
}

#char-count {
    font-size: 0.72rem;
    color: #9CA3AF;
    text-align: right;
    margin-top: -10px;
}

#submit-btn {
    padding: 15px;
    background: var(--group-color, #FFD43B);
    color: rgba(0,0,0,.7);
    border: none;
    border-radius: 12px;
    font-family: var(--font-ui);
    font-size: 1rem;
    font-weight: 800;
    cursor: pointer;
    transition: filter 0.15s, box-shadow 0.15s, transform 0.1s;
    box-shadow: var(--shadow-sm);
    letter-spacing: 0.01em;
}
#submit-btn:hover  { filter: brightness(0.92); box-shadow: var(--shadow-md); }
#submit-btn:active { transform: scale(0.98); }

#submit-feedback {
    display: none;
    text-align: center;
    color: #166534;
    background: #DCFCE7;
    padding: 11px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.9rem;
    animation: fadeUp 0.3s ease;
}