/* ============================================================
   css/shared.css — Estils compartits per tots els jocs TQuiz
   Cada joc defineix el seu propi :root amb les variables de color
   ABANS de carregar aquest fitxer.
   ============================================================ */

/* ---- VARIABLES BASE (fallbacks si el joc no les defineix) ---- */
:root {
    --bg-color:      #f8fafc;
    --panel-bg:      #ffffff;
    --text-main:     #1e293b;
    --text-muted:    #64748b;
    --primary:       #0369a1;
    --primary-light: #e0f2fe;
    --primary-hover: #2563eb;
    --primary-dark:  #0f172a;
    --danger:        #ef4444;
    --danger-light:  #fef2f2;
    --success:       #10b981;
    --border-color:  #e2e8f0;
    --border-heavy:  #cbd5e1;
}

/* ---- RESET BASE ---- */
* { box-sizing: border-box; }

/* ---- BODY ---- */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0;
    padding: 20px;
    min-height: 100vh;
    transition: background-color 1s ease;
}

/* ---- TÍTOL I SUBTÍTOL ---- */
h1 {
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #334155;
    font-size: 1.6em;
    margin-bottom: 5px;
    text-align: center;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1.1em;
    margin-bottom: 20px;
    text-align: center;
}

/* ---- ICONA HOME (title-row) ---- */
.title-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-bottom: 5px;
}
.title-row h1 { margin: 0; }

.home-icon-link {
    display: block;
    width: 78px;
    height: 78px;
    flex-shrink: 0;
    opacity: 0.75;
    transition: opacity 0.2s ease;
}
.home-icon-link:hover {
    opacity: 1;
    animation: home-blink-shake 0.55s ease forwards;
}
.home-icon-link img { width: 100%; height: 100%; object-fit: contain; }

/* ---- PANELL PRINCIPAL ---- */
.panel {
    background-color: var(--panel-bg);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    width: 100%;
    max-width: 700px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-top: 6px solid var(--primary);
    transition: border-color 0.3s;
    position: relative;
}

/* ---- CAPÇALERA DEL JOC ---- */
.header-info {
    background-color: #f1f5f9;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: bold;
    flex-wrap: wrap;
    gap: 10px;
}

.header-left       { display: flex; flex-direction: column; gap: 2px; }
.session-text      { font-size: 1em;  color: var(--text-muted); }
.level-text        { font-size: 1.2em; color: #334155; }
.score-text        { font-size: 1.2em; color: #059669; font-family: monospace; }

.attempts-counter {
    font-family: monospace;
    font-size: 1.2em;
    color: var(--text-muted);
    padding: 5px 10px;
    background: white;
    border-radius: 4px;
    border: 1px solid var(--border-heavy);
    transition: all 0.3s;
}
.attempts-counter.danger { color: var(--danger); border-color: var(--danger); }

/* ---- INPUTS NUMÈRICS (eliminar fletxes natives) ---- */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
input[type="number"] { -moz-appearance: textfield; }

/* ---- BOTÓ PRINCIPAL (submit) ---- */
.btn-submit {
    background-color: #475569;
    color: white;
    border: none;
    padding: 15px 25px;
    font-size: 1em;
    font-weight: bold;
    border-radius: 6px;
    cursor: pointer;
    text-transform: uppercase;
    touch-action: manipulation;
}
.btn-submit:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }
.btn-submit:active        { transform: scale(0.95); }
@media (hover: hover) { .btn-submit:hover { background-color: #334155; } }
.btn-submit.error-shake   { background-color: var(--danger); animation: shake 0.2s; }

/* ---- BOTÓ VERD (sessió completada) ---- */
.btn-green {
    background-color: #059669;
    color: white;
    border: none;
    padding: 15px 35px;
    font-size: 1.1em;
    font-weight: bold;
    border-radius: 6px;
    cursor: pointer;
    text-transform: uppercase;
    touch-action: manipulation;
    display: none;
}
.btn-green:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }
.btn-green:active        { transform: scale(0.95); }
@media (hover: hover) { .btn-green:hover { background-color: #047857; } }

/* ---- BOTÓ FINALITZAR ---- */
.btn-finalitzar {
    background-color: #475569;
    color: white;
    border: none;
    padding: 15px 35px;
    font-size: 1.1em;
    font-weight: bold;
    border-radius: 6px;
    cursor: pointer;
    text-transform: uppercase;
    touch-action: manipulation;
    margin-top: 15px;
}
.btn-finalitzar:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }
.btn-finalitzar:active        { transform: scale(0.95); }
@media (hover: hover) { .btn-finalitzar:hover { background-color: #334155; } }

/* ---- PANTALLA FI DE SESSIÓ ---- */
#session-end-screen {
    display: none;
    padding: 40px 20px;
    text-align: center;
}
#session-end-screen h2 { color: var(--success); font-size: 1.8em; margin-bottom: 25px; }

/* ---- PANTALLA FINAL ---- */
#final-screen {
    display: none;
    padding: 40px 20px;
    text-align: center;
}
#final-screen h2 { color: var(--success); font-size: 1.8em; margin-bottom: 25px; }

.final-layout {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    margin: 0 auto 25px auto;
    max-width: 480px;
    flex-wrap: wrap-reverse;
}
.final-summary {
    flex: 1;
    text-align: left;
    font-size: 1.1em;
    line-height: 1.8;
    min-width: 220px;
    margin: 0;
}
.final-summary .session-line {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    border-bottom: 1px solid var(--border-color);
    font-family: monospace;
    font-size: 1.1em;
}

/* ---- ICONA TROFEU ---- */
.trophy-icon { font-size: 6em; margin-bottom: 10px; animation: bounce 1.5s infinite; }
.final-layout .trophy-icon { margin: 0; font-size: 4.5em; }

/* ---- MINI OVERLAY (victòria / fracàs entre operacions) ---- */
#mini-victory-overlay {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 30px 20px;
    background-color: var(--bg-color);
    border-top: 1px solid var(--border-color);
    animation: fadeIn 0.3s;
}

.vic-message-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 10px;
}

.star-icon {
    font-size: 3em;
    animation: pop 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-shadow: 0px 4px 15px rgba(250, 204, 21, 0.6);
}

.mini-vic-text {
    color: #047857;
    font-size: 2em;
    font-weight: bold;
    text-shadow: 0px 2px 5px white;
}

.mini-vic-points {
    color: #059669;
    font-size: 1.3em;
    font-weight: bold;
    font-family: monospace;
    background: rgba(255, 255, 255, 0.95);
    padding: 5px 20px;
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* ---- RESPONSIU ---- */
@media (max-width: 820px) {
    .panel { width: 95%; }
}

@media (max-width: 600px) {
    .home-icon-link { width: 52px; height: 52px; }
    .title-row      { gap: 10px; }
}

@media (max-width: 480px) {
    body            { padding: 10px; }
    h1              { font-size: 1.3em; }
    .subtitle       { font-size: 1em; margin-bottom: 15px; }
    .header-info    { flex-direction: column; gap: 8px; padding: 12px; }
    .header-left    { align-items: center; }
    .level-text, .score-text, .attempts-counter { font-size: 1.1em; width: 100%; text-align: center; }
    .session-text   { font-size: 0.95em; }
    .trophy-icon    { font-size: 4.5em; }
    #session-end-screen h2, #final-screen h2 { font-size: 1.5em; }
    .star-icon      { font-size: 2.5em; }
    .mini-vic-text  { font-size: 1.6em; }
    .mini-vic-points{ font-size: 1.1em; }
    .final-layout   { gap: 15px; }
    .final-layout .trophy-icon { font-size: 4em; }
}

/* ════════════════════════════════════════════════════════════
   TECLAT NUMÈRIC CUSTOM (mòbil / tàctil)
   Layout: CSS Grid 4 columnes (3 dígits + acció)
   ════════════════════════════════════════════════════════════ */

#customKeyboard {
    display: none;
    background: #f1f5f9;
    border: 2px solid var(--border-heavy);
    border-radius: 12px;
    padding: 12px 12px 16px;
    margin-top: 12px;
    width: 100%;
    max-width: 700px;
}
#customKeyboard.kb-visible { display: block; }

.kb-grid {
    display: grid;
    grid-template-columns: 58px 58px 58px 80px;
    gap: 8px;
    justify-content: center;
}

.kb-btn {
    height: 52px;
    border-radius: 10px;
    border: 1.5px solid #cbd5e1;
    background: white;
    font-size: 1.3rem;
    font-weight: 700;
    color: #1e293b;
    cursor: pointer;
    box-shadow: 0 2px 0 #cbd5e1;
    transition: 0.08s;
    display: flex;
    align-items: center;
    justify-content: center;
    touch-action: manipulation;
    user-select: none;
}
.kb-btn:active { transform: translateY(2px); box-shadow: none; }

.kb-btn.kb-enter {
    background: var(--primary);
    border-color: var(--primary-dark);
    color: white;
    box-shadow: 0 2px 0 var(--primary-dark);
    font-size: 1.5rem;
}
.kb-btn.kb-minus { background: #f8fafc; color: var(--primary); }
.kb-btn.kb-del   { background: #fff1f2; border-color: #fca5a5; color: #b91c1c; font-size: 1.1rem; }

/* Quan el joc no necessita negatius, el − queda invisible però manté l'espai al grid */
.kb-grid.kb-no-minus .kb-minus { visibility: hidden; }
/* Quan el joc no necessita el zero */
.kb-grid.kb-no-zero .kb-zero   { visibility: hidden; }

/* Estil d'input "seleccionat" pel teclat custom (simula text seleccionat) */
.kb-selected {
    background: var(--primary-light) !important;
    border-color: var(--primary) !important;
    color: var(--primary) !important;
}

/* Input actiu del teclat custom: fons blau clar per indicar on s'escriu */
.kb-active-input {
    background-color: var(--primary-light) !important;
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 20%, transparent) !important;
    transition: background-color 0.15s, border-color 0.15s, box-shadow 0.15s !important;
}

/* ── Landscape mòbil: teclat compacte ── */
@media (orientation: landscape) and (max-height: 500px) {
    .kb-grid           { grid-template-columns: 48px 48px 48px 64px; gap: 5px; }
    .kb-btn            { height: 40px; font-size: 1.1rem; }
    .kb-btn.kb-enter   { font-size: 1.2rem; }
    #customKeyboard    { padding: 7px 10px 10px; margin-top: 8px; }
}

/* ---- KEYFRAMES ---- */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25%      { transform: translateX(-5px); }
    75%      { transform: translateX(5px); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes pop {
    0%   { transform: scale(0); }
    80%  { transform: scale(1.2); }
    100% { transform: scale(1); }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-15px); }
}

@keyframes home-blink-shake {
    0%   { transform: scale(1)    rotate(0deg);  opacity: 1;   }
    15%  { transform: scale(1.15) rotate(-8deg); opacity: 0.3; }
    30%  { transform: scale(1.15) rotate( 8deg); opacity: 1;   }
    45%  { transform: scale(1.1)  rotate(-5deg); opacity: 0.3; }
    60%  { transform: scale(1.1)  rotate( 5deg); opacity: 1;   }
    80%  { transform: scale(1.05) rotate(-2deg); opacity: 0.7; }
    100% { transform: scale(1)    rotate(0deg);  opacity: 1;   }
}


/* ============================================================
   EXTRES: Accions del resum final + Resum d'historial
   (optatiu: només s'activa si el joc ho fa servir)
   ============================================================ */

.panel-content { padding: 20px; }

.final-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
    width: 100%;
}
.final-actions > button {
    width: 100%;
    max-width: 280px;
    padding: 10px 14px;
    font-size: 0.95em;
}

.btn-action-primary { background-color: var(--primary); }
.btn-action-copy    { background-color: #a84359; color: white; }

.history-summary-screen { display: none; }
.history-summary {
    text-align: left;
}
.history-summary h2 {
    text-align: center;
    color: var(--primary);
    margin: 0 0 18px 0;
}
.history-title {
    margin: 18px 0 10px 0;
    padding-bottom: 6px;
    border-bottom: 2px solid;
    font-size: 1.1em;
}
.history-title--ok  { color: var(--success); border-color: var(--success); }
.history-title--bad { color: var(--danger);  border-color: var(--danger); }

.history-list {
    list-style: none;
    padding: 0;
    margin: 0 0 8px 0;
}
.history-item {
    margin-bottom: 12px;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}
.history-item--ok  { background: #f0fdf4; border-color: #bbf7d0; }
.history-item--bad { background: #fef2f2; border-color: #fecaca; }

.history-q { margin-bottom: 6px; color: #334155; }
.history-mono { font-family: monospace; font-size: 1.05em; }
.history-a--ok  { color: #059669; }
.history-a--bad { color: #dc2626; }

.history-empty { color: var(--text-muted); font-style: italic; margin: 6px 0 0; }

.history-actions { text-align: center; margin-top: 18px; }