/**
 * Stili frontend - Modalità Studio
 * Quiz Geografia Lombardia
 *
 * Design: moderno, blu scuola guida, mobile-first.
 * Tutti i selettori sono prefissati .qgl- per non interferire col tema.
 */

/* ========================================================================
   VARIABILI E RESET LOCALE
   ======================================================================== */

.qgl-studio {
    --qgl-blue: #1e40af;
    --qgl-blue-dark: #1e3a8a;
    --qgl-blue-light: #3b82f6;
    --qgl-blue-soft: #dbeafe;
    --qgl-blue-bg: #eff6ff;

    --qgl-green: #059669;
    --qgl-green-bg: #ecfdf5;
    --qgl-red: #dc2626;
    --qgl-red-bg: #fef2f2;

    --qgl-gray-900: #111827;
    --qgl-gray-700: #374151;
    --qgl-gray-500: #6b7280;
    --qgl-gray-300: #d1d5db;
    --qgl-gray-200: #e5e7eb;
    --qgl-gray-100: #f3f4f6;
    --qgl-gray-50: #f9fafb;

    --qgl-radius: 14px;
    --qgl-radius-sm: 10px;
    --qgl-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(30,64,175,0.04);
    --qgl-shadow-lg: 0 4px 24px rgba(30,64,175,0.12);

    max-width: 760px;
    margin: 0 auto;
    padding: 8px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--qgl-gray-900);
    line-height: 1.5;
    box-sizing: border-box;
}

.qgl-studio *,
.qgl-studio *::before,
.qgl-studio *::after {
    box-sizing: border-box;
}

/* ========================================================================
   SCHERMATA SETUP
   ======================================================================== */

.qgl-studio-header {
    text-align: center;
    margin-bottom: 28px;
}

.qgl-studio-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--qgl-blue);
    margin: 0 0 8px 0;
}

.qgl-studio-intro {
    color: var(--qgl-gray-500);
    font-size: 16px;
    margin: 0;
}

.qgl-setup-group {
    margin-bottom: 24px;
}

.qgl-setup-label {
    display: block;
    font-weight: 600;
    font-size: 15px;
    color: var(--qgl-gray-700);
    margin-bottom: 12px;
}

.qgl-select {
    width: 100%;
    height: auto;
    min-height: 52px;
    padding: 14px 44px 14px 16px;
    font-size: 16px;
    line-height: 1.4;
    border: 2px solid var(--qgl-gray-200);
    border-radius: var(--qgl-radius-sm);
    background-color: white;
    color: var(--qgl-gray-900);
    cursor: pointer;
    transition: border-color 0.15s ease;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M5 8l5 5 5-5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    vertical-align: middle;
}

.qgl-select:focus {
    outline: none;
    border-color: var(--qgl-blue-light);
}

/* Radio card (scelte visuali) */
.qgl-radio-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.qgl-radio-card {
    position: relative;
    cursor: pointer;
    display: block;
}

.qgl-radio-card input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.qgl-radio-card-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 18px 12px;
    border: 2px solid var(--qgl-gray-200);
    border-radius: var(--qgl-radius-sm);
    background: white;
    transition: all 0.15s ease;
    height: 100%;
}

.qgl-radio-card-icon {
    font-size: 28px;
    margin-bottom: 8px;
}

.qgl-radio-card-title {
    font-weight: 600;
    font-size: 15px;
    color: var(--qgl-gray-900);
    margin-bottom: 4px;
}

.qgl-radio-card-desc {
    font-size: 13px;
    color: var(--qgl-gray-500);
}

.qgl-radio-card input:checked + .qgl-radio-card-content {
    border-color: var(--qgl-blue);
    background: var(--qgl-blue-bg);
    box-shadow: 0 0 0 1px var(--qgl-blue);
}

.qgl-radio-card:hover .qgl-radio-card-content {
    border-color: var(--qgl-blue-light);
}

/* ========================================================================
   BOTTONI
   ======================================================================== */

.qgl-btn-primary {
    width: 100%;
    padding: 16px 24px;
    font-size: 17px;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, var(--qgl-blue-light), var(--qgl-blue));
    border: none;
    border-radius: var(--qgl-radius-sm);
    cursor: pointer;
    transition: all 0.15s ease;
    margin-top: 8px;
}

.qgl-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--qgl-shadow-lg);
}

.qgl-btn-primary:active {
    transform: translateY(0);
}

.qgl-btn-secondary {
    padding: 13px 22px;
    font-size: 15px;
    font-weight: 600;
    color: var(--qgl-blue);
    background: white;
    border: 2px solid var(--qgl-blue-soft);
    border-radius: var(--qgl-radius-sm);
    cursor: pointer;
    transition: all 0.15s ease;
}

.qgl-btn-secondary:hover:not(:disabled) {
    background: var(--qgl-blue-bg);
    border-color: var(--qgl-blue);
}

.qgl-btn-secondary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.qgl-btn-text {
    background: none;
    border: none;
    color: var(--qgl-gray-500);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 8px;
    transition: all 0.15s ease;
}

.qgl-btn-text:hover {
    background: var(--qgl-gray-100);
    color: var(--qgl-gray-900);
}

/* ========================================================================
   SCHERMATA QUIZ
   ======================================================================== */

.qgl-quiz-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.qgl-progress-info {
    font-size: 14px;
    font-weight: 600;
    color: var(--qgl-gray-500);
}

.qgl-progress-bar {
    height: 8px;
    background: var(--qgl-gray-100);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 24px;
}

.qgl-progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--qgl-blue-light), var(--qgl-blue));
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* Card domanda */
.qgl-question {
    background: white;
    border: 1px solid var(--qgl-gray-200);
    border-radius: var(--qgl-radius);
    padding: 24px;
    margin-bottom: 16px;
    box-shadow: var(--qgl-shadow);
}

.qgl-question-meta {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--qgl-blue);
    background: var(--qgl-blue-bg);
    padding: 4px 10px;
    border-radius: 6px;
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.qgl-question-text {
    font-size: 19px;
    font-weight: 600;
    color: var(--qgl-gray-900);
    margin-bottom: 20px;
    line-height: 1.4;
}

/* Opzioni risposta */
.qgl-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.qgl-option {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 18px;
    border: 2px solid var(--qgl-gray-200);
    border-radius: var(--qgl-radius-sm);
    background: white;
    cursor: pointer;
    transition: all 0.15s ease;
    font-size: 16px;
    text-align: left;
    width: 100%;
}

.qgl-option:hover:not(.qgl-disabled) {
    border-color: var(--qgl-blue-light);
    background: var(--qgl-blue-bg);
}

.qgl-option-letter {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: var(--qgl-gray-100);
    font-weight: 700;
    color: var(--qgl-gray-700);
    font-size: 15px;
    transition: all 0.15s ease;
}

.qgl-option-text {
    flex: 1;
    color: var(--qgl-gray-900);
}

/* Stati opzione selezionata */
.qgl-option.qgl-selected {
    border-color: var(--qgl-blue);
    background: var(--qgl-blue-bg);
}

.qgl-option.qgl-selected .qgl-option-letter {
    background: var(--qgl-blue);
    color: white;
}

/* Stati feedback (corretta/sbagliata) */
.qgl-option.qgl-correct {
    border-color: var(--qgl-green);
    background: var(--qgl-green-bg);
}

.qgl-option.qgl-correct .qgl-option-letter {
    background: var(--qgl-green);
    color: white;
}

.qgl-option.qgl-wrong {
    border-color: var(--qgl-red);
    background: var(--qgl-red-bg);
}

.qgl-option.qgl-wrong .qgl-option-letter {
    background: var(--qgl-red);
    color: white;
}

.qgl-option.qgl-disabled {
    cursor: default;
}

.qgl-option-mark {
    margin-left: auto;
    font-size: 20px;
    font-weight: bold;
}

/* Navigazione */
.qgl-nav {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 20px;
}

.qgl-nav .qgl-btn-secondary {
    flex: 1;
}

.qgl-verify-bar {
    margin-top: 20px;
}

/* ========================================================================
   SCHERMATA RISULTATI
   ======================================================================== */

.qgl-results-content {
    text-align: center;
    padding: 20px 0;
}

.qgl-results-score {
    font-size: 56px;
    font-weight: 800;
    margin: 16px 0 8px 0;
}

.qgl-results-score.qgl-pass {
    color: var(--qgl-green);
}

.qgl-results-score.qgl-fail {
    color: var(--qgl-red);
}

.qgl-results-label {
    font-size: 18px;
    color: var(--qgl-gray-500);
    margin-bottom: 8px;
}

.qgl-results-detail {
    font-size: 15px;
    color: var(--qgl-gray-700);
    margin-bottom: 24px;
}

.qgl-results-emoji {
    font-size: 64px;
    margin-bottom: 8px;
}

.qgl-results-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 360px;
    margin: 0 auto;
}

/* ========================================================================
   RESPONSIVE (mobile)
   ======================================================================== */

@media (max-width: 600px) {
    .qgl-studio-title {
        font-size: 24px;
    }

    .qgl-radio-cards {
        grid-template-columns: 1fr;
    }

    .qgl-question {
        padding: 18px;
    }

    .qgl-question-text {
        font-size: 17px;
    }

    .qgl-option {
        padding: 14px;
        font-size: 15px;
    }

    .qgl-results-score {
        font-size: 44px;
    }
}

/* ========================================================================
   ACCESSO RISERVATO (utente non loggato)
   ======================================================================== */

.qgl-accesso-riservato {
    max-width: 480px;
    margin: 0 auto;
    text-align: center;
    padding: 40px 24px;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 14px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(30,64,175,0.04);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.qgl-accesso-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.qgl-accesso-titolo {
    font-size: 22px;
    font-weight: 700;
    color: #1e40af;
    margin: 0 0 12px 0;
}

.qgl-accesso-testo {
    font-size: 15px;
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 24px;
}

.qgl-accesso-btn {
    display: inline-block;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, #3b82f6, #1e40af);
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.15s ease;
}

.qgl-accesso-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 24px rgba(30,64,175,0.12);
    color: white;
}