/* ==========================================
   BRAINIQ - RESPONSIVE CSS
   Mobile First Approach
   ========================================== */

/* === VARIABLES === */
:root {
    --safe-area-top: env(safe-area-inset-top, 0px);
    --safe-area-bottom: env(safe-area-inset-bottom, 0px);
    --safe-area-left: env(safe-area-inset-left, 0px);
    --safe-area-right: env(safe-area-inset-right, 0px);
}

/* === BASE MOBILE (< 480px) === */
@media screen and (max-width: 480px) {
    body {
        font-size: 14px;
        padding-top: var(--safe-area-top);
        padding-bottom: var(--safe-area-bottom);
    }
    
    .header {
        padding: 12px 16px;
    }
    
    .logo-icon {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }
    
    .logo-text {
        font-size: 1.1rem;
    }
    
    .logo-pro {
        font-size: 0.55rem;
        padding: 2px 6px;
    }
    
    .timer {
        padding: 6px 10px;
        font-size: 0.85rem;
    }
    
    .main {
        padding: 12px;
        padding-bottom: 80px;
    }
    
    .q-card {
        padding: 16px;
        border-radius: 16px;
    }
    
    .q-visual {
        padding: 16px;
        border-radius: 12px;
        min-height: 150px;
        gap: 12px;
    }
    
    .q-visual svg {
        max-width: 100%;
        height: auto;
        max-height: 180px;
    }
    
    .matrix-cell {
        width: 22px;
        height: 22px;
    }
    
    .matrix-grid {
        gap: 2px;
        padding: 2px;
    }
    
    .q-text {
        font-size: 0.95rem;
        margin-bottom: 16px;
        line-height: 1.4;
    }
    
    .options {
        gap: 10px;
    }
    
    .options.cols-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .option {
        padding: 12px;
        min-height: 65px;
        border-radius: 12px;
    }
    
    .option-text {
        font-size: 0.9rem;
    }
    
    .nav-bar {
        padding: 12px 16px;
        padding-bottom: calc(12px + var(--safe-area-bottom));
    }
    
    .nav-btn {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
    }
    
    .nav-counter {
        font-size: 1rem;
    }
    
    /* Interstitials Mobile */
    .interstitial {
        padding: 24px 16px;
        min-height: 75vh;
    }
    
    .inter-illustration {
        width: 140px;
        height: 140px;
        margin-bottom: 20px;
    }
    
    .inter-title {
        font-size: 1.4rem;
        margin-bottom: 12px;
    }
    
    .inter-desc {
        font-size: 0.95rem;
        margin-bottom: 24px;
    }
    
    .inter-btn {
        padding: 16px 40px;
        font-size: 1rem;
        border-radius: 12px;
    }
    
    .social-card {
        padding: 16px;
        margin-top: 20px;
    }
    
    .stat-item {
        gap: 10px;
    }
    
    .stat-icon {
        font-size: 1.1rem;
    }
    
    .stat-text {
        font-size: 0.9rem;
    }
    
    /* Calculating Page Mobile */
    .calc-title {
        font-size: 1.4rem;
    }
    
    .calc-desc {
        font-size: 0.95rem;
    }
    
    .calc-progress-wrap {
        height: 35px;
        margin-bottom: 24px;
    }
    
    .calc-item {
        padding: 10px 0;
        font-size: 1rem;
    }
    
    .calc-checkbox {
        width: 24px;
        height: 24px;
    }
    
    .calc-testimonial {
        padding: 16px;
        gap: 12px;
    }
    
    .calc-testimonial-avatar {
        width: 44px;
        height: 44px;
    }
    
    /* Results Mobile */
    .result-card {
        padding: 28px 20px;
        border-radius: 20px;
    }
    
    .result-score {
        font-size: 3.5rem;
    }
    
    .result-label {
        font-size: 0.95rem;
    }
    
    .result-category {
        padding: 8px 20px;
        font-size: 0.95rem;
    }
}

/* === MOBILE LARGE (481px - 600px) === */
@media screen and (min-width: 481px) and (max-width: 600px) {
    .main {
        padding: 16px;
        padding-bottom: 85px;
    }
    
    .q-card {
        padding: 20px;
    }
    
    .q-visual {
        padding: 20px;
        min-height: 180px;
    }
    
    .matrix-cell {
        width: 26px;
        height: 26px;
    }
    
    .options.cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .option {
        padding: 14px;
        min-height: 75px;
    }
    
    .inter-illustration {
        width: 160px;
        height: 160px;
    }
    
    .inter-title {
        font-size: 1.6rem;
    }
    
    .result-score {
        font-size: 4rem;
    }
}

/* === TABLET PORTRAIT (601px - 900px) === */
@media screen and (min-width: 601px) and (max-width: 900px) {
    .main {
        padding: 24px;
        max-width: 700px;
        padding-bottom: 90px;
    }
    
    .q-card {
        padding: 28px;
    }
    
    .q-visual {
        padding: 28px;
        min-height: 220px;
        gap: 20px;
    }
    
    .matrix-cell {
        width: 30px;
        height: 30px;
    }
    
    .q-text {
        font-size: 1.1rem;
    }
    
    .options {
        gap: 14px;
    }
    
    .option {
        padding: 18px;
        min-height: 85px;
    }
    
    .inter-illustration {
        width: 180px;
        height: 180px;
    }
    
    .inter-title {
        font-size: 1.8rem;
    }
    
    .inter-desc {
        font-size: 1.05rem;
        max-width: 450px;
    }
    
    .social-card {
        max-width: 450px;
    }
    
    .result-score {
        font-size: 4.5rem;
    }
}

/* === TABLET LANDSCAPE (901px - 1200px) === */
@media screen and (min-width: 901px) and (max-width: 1200px) {
    .main {
        max-width: 800px;
        padding: 32px;
    }
    
    .q-visual {
        padding: 36px;
        min-height: 250px;
    }
    
    .matrix-cell {
        width: 34px;
        height: 34px;
    }
    
    .options {
        gap: 16px;
    }
    
    .option {
        padding: 20px;
        min-height: 95px;
    }
}

/* === DESKTOP (> 1200px) === */
@media screen and (min-width: 1201px) {
    .main {
        max-width: 900px;
    }
    
    .q-visual {
        min-height: 280px;
    }
    
    .matrix-cell {
        width: 36px;
        height: 36px;
    }
}

/* === TOUCH OPTIMIZATIONS === */
@media (hover: none) and (pointer: coarse) {
    .option {
        min-height: 70px;
    }
    
    .option:active {
        transform: scale(0.98);
    }
    
    .inter-btn:active {
        transform: scale(0.98);
    }
    
    .nav-btn:active {
        transform: scale(0.95);
    }
    
    /* Larger touch targets */
    .nav-btn {
        min-width: 48px;
        min-height: 48px;
    }
}

/* === LANDSCAPE MOBILE === */
@media screen and (max-height: 500px) and (orientation: landscape) {
    .header {
        padding: 8px 16px;
    }
    
    .main {
        padding: 12px;
    }
    
    .q-card {
        padding: 12px;
    }
    
    .q-visual {
        padding: 12px;
        min-height: 120px;
        flex-direction: row;
    }
    
    .q-text {
        margin-bottom: 12px;
    }
    
    .options {
        gap: 8px;
    }
    
    .option {
        padding: 10px;
        min-height: 50px;
    }
    
    .interstitial {
        min-height: 60vh;
        padding: 16px;
    }
    
    .inter-illustration {
        width: 100px;
        height: 100px;
    }
    
    .inter-title {
        font-size: 1.2rem;
    }
    
    .inter-desc {
        font-size: 0.85rem;
        margin-bottom: 16px;
    }
    
    .nav-bar {
        padding: 8px 16px;
    }
}

/* === DARK MODE SAFE === */
@media (prefers-color-scheme: dark) {
    .q-visual {
        background: #fff;
    }
}

/* === REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* === HIGH CONTRAST === */
@media (prefers-contrast: high) {
    .option {
        border-width: 3px;
    }
    
    .q-text {
        font-weight: 600;
    }
}

/* === PRINT === */
@media print {
    .header, .nav-bar, .inter-btn {
        display: none;
    }
    
    .main {
        padding: 0;
    }
    
    .q-card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* === NOTCH SUPPORT (iPhone X+) === */
@supports (padding: max(0px)) {
    .header {
        padding-left: max(16px, var(--safe-area-left));
        padding-right: max(16px, var(--safe-area-right));
    }
    
    .nav-bar {
        padding-left: max(16px, var(--safe-area-left));
        padding-right: max(16px, var(--safe-area-right));
        padding-bottom: max(12px, var(--safe-area-bottom));
    }
}

/* === FOLDABLE DEVICES === */
@media (horizontal-viewport-segments: 2) {
    .main {
        margin-left: env(viewport-segment-left 0 0);
        margin-right: env(viewport-segment-right 1 0);
    }
}

/* === FIX OPTIONS SVG MOBILE === */
.option svg {
    width: 100%;
    height: auto;
    min-height: 50px;
    max-height: 70px;
    display: block;
}

@media screen and (max-width: 480px) {
    .option svg {
        min-height: 45px;
        max-height: 60px;
    }
    
    .option {
        min-height: 75px;
        padding: 10px;
    }
    
    .options:not(.cols-1) .option svg {
        width: 90%;
        margin: 0 auto;
    }
}

@media screen and (min-width: 481px) and (max-width: 600px) {
    .option svg {
        min-height: 50px;
        max-height: 65px;
    }
}

/* Ensure SVG viewBox scales properly */
.option svg[viewBox] {
    width: 100%;
    height: auto;
}