/* North Health GPT — Stylesheet (v5.0) */
/* Canva design implementation | Overlay emergency | Strict mode separation | UI-UX Pro Max */

:root {
    --bg-page:        #EAF7EF;
    --bg-app:         #FFFFFF;
    --bg-header:      #0E1C2B;
    --text-header:    #FFFFFF;
    --green:          #16A34A;
    --green-dark:     #15803D;
    --green-soft:     #EAF9F0;
    --green-line:     #86D9A6;
    --red:            #C81E1E;
    --red-dark:       #991B1B;
    --red-soft:       #FDECEC;
    --text-primary:   #14281D;
    --text-secondary: #5B6B62;
    --bubble-user:    #C7D2CB;
    --bubble-assist:  #FFFFFF;
    --line:           #D6E5DC;
    --radius:         14px;
    --radius-lg:      20px;
    --shadow:         0 4px 20px rgba(4,31,26,.06);
    --font-ui:        'Plus Jakarta Sans','Atkinson Hyperlegible',system-ui,sans-serif;
    --font-read:      'Atkinson Hyperlegible','Plus Jakarta Sans',system-ui,sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }

body {
    font-family: var(--font-ui);
    background: var(--bg-page);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

button, textarea { font: inherit; }
button { cursor: pointer; }

button:focus-visible, a:focus-visible, textarea:focus-visible {
    outline: 3px solid #0369A1;
    outline-offset: 2px;
}

/* UNICEF strip */
.eval-strip {
    background: #FCEFC7;
    color: #8A5A00;
    text-align: center;
    padding: 9px 14px;
    font-size: 0.82rem;
    line-height: 1.4;
    flex-shrink: 0;
}
.eval-strip strong { color: #6B4600; }

/* App container fills viewport, single column, no page scroll */
.app-container {
    flex: 1;
    min-height: 0;
    width: 100%;
    max-width: 820px;
    margin: 0 auto;
    background: var(--bg-app);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow);
    overflow: hidden;
}

/* Header */
.app-header {
    background: var(--bg-header);
    color: var(--text-header);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-shrink: 0;
}
.header-brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.logo-icon {
    width: 46px; height: 46px;
    background: rgba(255,255,255,.08);
    border-radius: 12px;
    display: grid; place-items: center;
    color: #34D399;
    flex-shrink: 0;
}
.logo-icon svg { width: 26px; height: 26px; }
.brand-text { min-width: 0; }
.header-brand h1 { font-size: 1.3rem; font-weight: 800; line-height: 1.1; }
.header-brand .subtitle { font-size: 0.76rem; color: #9FB0C0; margin-top: 2px; }
.header-status {
    display: flex; align-items: center; gap: 7px;
    color: #34D399; font-size: 0.82rem; font-weight: 600;
    flex-shrink: 0;
}
.sabon-chat-btn {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: none;
    padding: 5px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 8px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: background 0.15s;
}
.sabon-chat-btn:hover { background: rgba(255, 255, 255, 0.2); }
.status-text small { color: #7FB9A0; font-weight: 500; }
.status-dot {
    width: 9px; height: 9px; border-radius: 50%;
    background: #34D399;
    box-shadow: 0 0 0 3px rgba(52,211,153,.2);
}

/* Controls block (mode + cards + emergency) — auto-hides once chat starts */
.controls-block {
    padding: 14px 16px 4px;
    flex-shrink: 0;
    background: var(--bg-app);
}
.controls-block.hidden { display: none; }

/* Mode switcher */
.mode-switcher { display: flex; justify-content: center; margin-bottom: 14px; }
.pill-tabs {
    display: flex; gap: 4px;
    background: #EEF2F0;
    padding: 5px;
    border-radius: 999px;
    width: 100%;
    max-width: 460px;
}
.tab-btn {
    flex: 1;
    border: none; background: transparent;
    padding: 11px 14px;
    border-radius: 999px;
    font-size: 0.92rem; font-weight: 700;
    color: var(--text-secondary);
    display: flex; align-items: center; justify-content: center; gap: 8px;
    transition: background .2s, color .2s, box-shadow .2s;
}
.tab-btn .tab-icon { width: 18px; height: 18px; }
.tab-btn.active { background: #FFFFFF; color: var(--green); box-shadow: 0 2px 8px rgba(0,0,0,.1); }

/* Topic cards — green outline, 3+2 grid like the design */
.shortcuts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 9px;
    margin-bottom: 9px;
}
.shortcut-card {
    background: #FFFFFF;
    border: 1.5px solid var(--green-line);
    border-radius: 10px;
    padding: 11px 12px;
    display: flex; align-items: center; gap: 9px;
    text-align: left;
    transition: background .15s, border-color .15s, transform .1s;
    min-height: 58px;
}
.shortcut-card:hover { background: var(--green-soft); border-color: var(--green); }
.shortcut-card:active { transform: scale(.985); }
.card-icon { font-size: 1.25rem; flex-shrink: 0; line-height: 1; }
.card-text { display: flex; flex-direction: column; min-width: 0; }
.card-text strong { font-size: 0.86rem; font-weight: 700; color: var(--text-primary); line-height: 1.15; }
.card-text small { font-size: 0.72rem; color: var(--text-secondary); margin-top: 1px; }

/* Emergency trigger bar (collapsed) */
.emergency-wrap { display: flex; }
.emergency-trigger {
    flex: 1;
    background: var(--red);
    color: #FFFFFF;
    border: none;
    border-radius: 10px;
    padding: 12px 14px;
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
    box-shadow: 0 3px 10px rgba(200,30,30,.25);
    transition: background .15s;
}
.emergency-trigger:hover { background: var(--red-dark); }
.emergency-left { display: flex; align-items: center; gap: 9px; min-width: 0; }
.emergency-icon { font-size: 1.15rem; }
.emergency-title { font-size: 0.92rem; font-weight: 800; }
.emergency-title small { font-weight: 600; opacity: .85; font-size: 0.8rem; }
.emergency-arrow { font-size: 1rem; transition: transform .2s; }
.emergency-wrap.open .emergency-arrow { transform: rotate(180deg); }

/* Chat area — holds viewport + emergency overlay */
.chat-area {
    flex: 1;
    min-height: 0;
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--bg-app);
    padding: 6px 16px 12px;
}

/* Chat viewport */
.chat-viewport {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--green-soft);
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Welcome card (auto-hides once chat starts) */
.welcome-card {
    margin: auto;
    text-align: center;
    padding: 20px;
    max-width: 460px;
}
.welcome-bot { font-size: 3rem; line-height: 1; margin-bottom: 12px; }
.welcome-card h2 { font-size: 1.4rem; font-weight: 800; color: var(--text-primary); margin-bottom: 8px; }
.welcome-card p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.5; font-family: var(--font-read); }
.welcome-card.hidden { display: none; }

.messages-list { display: flex; flex-direction: column; gap: 12px; }

/* Message bubbles */
.message-bubble {
    max-width: 82%;
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 0.95rem;
    line-height: 1.55;
    font-family: var(--font-read);
    word-wrap: break-word;
}
.message-bubble.user {
    align-self: flex-end;
    background: var(--bubble-user);
    color: #1F3128;
    border-bottom-right-radius: 5px;
}
.message-bubble.assistant {
    align-self: flex-start;
    background: var(--bubble-assist);
    border: 1px solid var(--line);
    color: var(--text-primary);
    border-bottom-left-radius: 5px;
}
.message-bubble.system {
    align-self: center;
    background: #FFF8E6;
    border: 1px solid #F5D98B;
    color: #8A5A00;
    font-size: 0.85rem;
    max-width: 92%;
    text-align: center;
}

/* Loading dots */
.loading-bubble { padding: 12px 16px !important; max-width: fit-content; }
.dots-pulse { display: inline-flex; gap: 6px; }
.dots-pulse span {
    width: 9px; height: 9px; border-radius: 50%;
    background: var(--green);
    animation: dotsBounce 1.4s infinite ease-in-out both;
}
.dots-pulse span:nth-child(1){ animation-delay: -.32s; }
.dots-pulse span:nth-child(2){ animation-delay: -.16s; }
@keyframes dotsBounce { 0%,80%,100%{ transform: scale(.4); opacity:.3 } 40%{ transform: scale(1); opacity:1 } }

/* Voice audio bubble */
.voice-audio-bubble { min-width: 250px; }
.audio-player-container audio { width: 100%; height: 42px; outline: none; }

/* Referral button */
.referral-container { margin-top: 10px; }
.hospital-referral-btn {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--red); color: #FFFFFF;
    text-decoration: none;
    font-size: 0.84rem; font-weight: 700;
    padding: 10px 15px; border-radius: 10px;
    box-shadow: 0 3px 10px rgba(200,30,30,.25);
    transition: background .15s;
}
.hospital-referral-btn:hover { background: var(--red-dark); }

/* Emergency overlay — covers the chat area only when open */
.emergency-overlay {
    display: none;
    position: absolute;
    top: 6px; left: 16px; right: 16px;
    z-index: 30;
    background: rgba(200,30,30,.16);
    backdrop-filter: blur(2px);
    border: 1.5px solid var(--red);
    border-radius: var(--radius-lg);
    padding: 12px;
    max-height: calc(100% - 18px);
    overflow-y: auto;
    box-shadow: 0 12px 32px rgba(120,10,10,.28);
}
.emergency-overlay.open { display: flex; flex-direction: column; gap: 7px; }
.emerg-item {
    background: rgba(255,255,255,.96);
    border: 1px solid #F0B4B4;
    border-radius: 11px;
    padding: 13px 15px;
    text-align: left;
    font-size: 0.92rem; font-weight: 600;
    color: var(--red-dark);
    display: flex; align-items: center; gap: 10px;
    min-height: 48px;
    transition: background .15s, border-color .15s;
}
.emerg-item span { font-size: 1.1rem; }
.emerg-item:hover, .emerg-item:active { background: #FFFFFF; border-color: var(--red); }

/* Input container */
.input-container {
    padding: 14px 16px;
    background: var(--bg-app);
    border-top: 1px solid var(--line);
    flex-shrink: 0;
}
.input-panel { display: none; }
.input-panel.active { display: flex; flex-direction: column; align-items: center; }

/* Mic */
.mic-wrapper { position: relative; margin-bottom: 8px; }
.mic-button {
    width: 66px; height: 66px; border-radius: 50%;
    background: #1E6FE0; color: #FFFFFF; border: none;
    display: grid; place-items: center;
    box-shadow: 0 6px 18px rgba(30,111,224,.4);
    transition: transform .15s, background .2s;
    position: relative; z-index: 2;
}
.mic-button:hover { transform: scale(1.04); }
.mic-button.recording { background: var(--red); box-shadow: 0 6px 18px rgba(200,30,30,.45); }
.mic-svg { width: 28px; height: 28px; }
.recording-pulse {
    position: absolute; inset: -6px; border-radius: 50%;
    border: 3px solid var(--red); opacity: 0; z-index: 1;
}
.recording-pulse.active { animation: pulseWave 1.5s infinite; }
@keyframes pulseWave { 0%{ transform: scale(1); opacity:.8 } 100%{ transform: scale(1.45); opacity:0 } }
.voice-status-text { font-size: 0.88rem; color: var(--text-secondary); text-align: center; }

/* Text input */
.text-input-wrapper {
    display: flex; align-items: center; width: 100%; gap: 8px;
    background: #F4F8F6; border: 1px solid var(--line);
    border-radius: 26px; padding: 6px 6px 6px 16px;
}
.text-input-wrapper textarea {
    flex: 1; border: none; background: transparent; outline: none; resize: none;
    font-size: 0.95rem; max-height: 160px; line-height: 1.5; overflow-y: auto;
    font-family: var(--font-read);
}
.send-button {
    background: #0E1C2B; color: #FFFFFF; border: none;
    width: 44px; height: 44px; border-radius: 50%;
    display: grid; place-items: center; flex-shrink: 0;
    transition: transform .15s, background .2s;
}
.send-button:hover { transform: scale(1.05); background: #1a3550; }
.send-button svg { width: 19px; height: 19px; }

/* App footer */
.app-footer {
    padding: 9px; text-align: center;
    font-size: 0.72rem; color: var(--text-secondary);
    background: #F4F8F6; border-top: 1px solid var(--line);
    flex-shrink: 0;
}

/* ── Tablet ───────────────────────────────────────────── */
@media (max-width: 720px) {
    .eval-strip { font-size: 0.74rem; padding: 8px 10px; }
    .app-header { padding: 12px 14px; }
    .header-brand h1 { font-size: 1.15rem; }
    .header-brand .subtitle { font-size: 0.7rem; }
    .controls-block { padding: 12px 12px 4px; }
    .chat-area { padding: 6px 12px 10px; }
    .emergency-overlay { left: 12px; right: 12px; }
}

/* ── Phone ────────────────────────────────────────────── */
@media (max-width: 520px) {
    .header-brand h1 { font-size: 1.05rem; }
    .logo-icon { width: 40px; height: 40px; }
    .logo-icon svg { width: 22px; height: 22px; }
    .tab-btn { font-size: 0.86rem; padding: 10px 10px; }
    
    .shortcuts-grid { grid-template-columns: repeat(2, 1fr); }
    /* Make the meningitis/TB row centered like the design: last item spans if odd */
    .shortcuts-grid .shortcut-card:last-child:nth-child(odd) { grid-column: 1 / -1; }
    
    .shortcut-card { min-height: 48px; padding: 8px 10px; }
    .card-icon { font-size: 1.1rem; }
    .card-text strong { font-size: 0.82rem; }
    .card-text small { font-size: 0.68rem; }
    
    .message-bubble { max-width: 88%; font-size: 0.92rem; }
    .welcome-card h2 { font-size: 1.2rem; }
    .welcome-bot { font-size: 2.5rem; }
    
    .status-text small { display: none; }
    .sabon-chat-btn { padding: 4px 8px; font-size: 0.7rem; }
    
    .input-container { padding: 10px 12px; }
    
    /* Hide the footer on phones to prevent vertical overlap when keyboard is open or screen is short */
    .app-footer { display: none; }
}

@media (max-width: 380px) {
    .shortcuts-grid { grid-template-columns: 1fr 1fr; }
    .card-text small { display: none; }
}

/* Accessibility: reduced motion */
@media (prefers-reduced-motion: reduce) {
    * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}


/* ── Live voice: streaming bubbles ──────────────────────────────────────────
   Text arrives token by token during a live turn, so the bubble updates in
   place instead of a new bubble appearing for every fragment. */
.message-bubble .bubble-text {
    white-space: pre-wrap;
    word-break: break-word;
}
.message-bubble.assistant .bubble-text:empty::after {
    content: '…';
    opacity: .45;
}