:root {
    --bg: #09090b;
    --card: #121214;
    --card-border: #27272a;
    --nav-bg: #18181b;
    --text: #ffffff;
    --muted: #a1a1aa;
    --input-bg: #000000;
    --gradient: linear-gradient(90deg, #ff7A00, #ff004D);
    --primary: #ff4a26;
}

[data-theme="light"] {
    --bg: #f4f4f5;
    --card: #ffffff;
    --card-border: #e4e4e7;
    --nav-bg: #e4e4e7;
    --text: #09090b;
    --muted: #71717a;
    --input-bg: #f8fafc;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    transition: background 0.3s, color 0.3s;
}

.app {
    width: 100%;
    max-width: 1100px;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* HEADER */
.top-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.logo-area h1 {
    font-size: 28px;
    font-weight: 900;
    letter-spacing: -0.5px;
    margin-bottom: 4px;
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    display: inline-block;
}

.logo-area p {
    color: var(--muted);
    font-size: 14px;
}

.icon-btn {
    background: transparent;
    border: 1px solid var(--card-border);
    color: var(--text);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}

.icon-btn:hover {
    background: var(--card-border);
}

/* NAVIGATION PILL */
.pill-nav {
    display: flex;
    background: var(--nav-bg);
    padding: 6px;
    border-radius: 100px;
    border: 1px solid var(--card-border);
    margin-bottom: 40px;
    gap: 4px;
    overflow-x: auto;
    max-width: 100%;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.pill-nav::-webkit-scrollbar {
    display: none;
}

.nav-item {
    background: transparent;
    border: 1px solid transparent;
    color: var(--muted);
    padding: 12px 20px;
    /* Increased for better touch target */
    border-radius: 100px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    transition: all 0.2s;
}

.nav-item:hover {
    color: var(--text);
}

.nav-item.active {
    background: var(--card);
    border-color: rgba(255, 122, 0, 0.3);
    color: var(--text);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.nav-item.active svg {
    stroke: var(--primary);
}

/* MAIN CONTENT AREA */
.main {
    width: 100%;
}

.view {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.view.active {
    display: block;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* CARDS */
.card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 24px;
}

.card.premium-glow {
    border-color: rgba(255, 122, 0, 0.3);
    box-shadow: 0 10px 40px -10px rgba(255, 122, 0, 0.1);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.card-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.subtitle {
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 24px;
    line-height: 1.5;
}

/* INPUTS & BUTTONS */
.inline-input-group {
    display: flex;
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 6px;
    transition: border-color 0.2s;
}

.inline-input-group:focus-within {
    border-color: var(--primary);
}

.inline-input-group input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 12px 16px;
    color: var(--text);
    font-size: 16px;
    /* 16px prevents iOS auto-zoom */
    outline: none;
    min-width: 0;
    /* Prevents overflow */
}

.modern-input {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 14px 16px;
    color: var(--text);
    font-size: 16px;
    /* 16px prevents iOS auto-zoom */
    outline: none;
    transition: border-color 0.2s;
}

.modern-input:focus {
    border-color: var(--primary);
}

.btn-gradient {
    background: var(--gradient);
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s;
}

.btn-gradient:hover {
    opacity: 0.9;
}

.btn-gradient:active {
    transform: scale(0.98);
}

.btn-gradient:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-secondary {
    background: var(--nav-bg);
    border: 1px solid var(--card-border);
    color: var(--text);
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-secondary:hover {
    background: var(--card-border);
}

/* TEXTAREAS */
textarea {
    width: 100%;
    height: 200px;
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 16px;
    color: var(--text);
    font-family: inherit;
    font-size: 16px;
    /* 16px prevents iOS auto-zoom */
    line-height: 1.6;
    resize: vertical;
    outline: none;
}

textarea:focus {
    border-color: var(--primary);
}

.editor {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 15px;
}

.split-view {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.action-row {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 20px;
}

/* STATS & TOGGLES */
.stats {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.stat {
    font-size: 13px;
    color: var(--muted);
    background: var(--nav-bg);
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid var(--card-border);
}

.stat span {
    font-weight: 700;
    color: var(--primary);
}

.controls-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 15px;
}

.toggle-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

.toggle {
    background: var(--nav-bg);
    border: 1px solid var(--card-border);
    padding: 10px 16px;
    /* Increased for better touch target */
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    color: var(--muted);
    transition: all 0.2s;
    user-select: none;
}

.toggle.active {
    background: var(--text);
    color: var(--bg);
    border-color: var(--text);
}

/* COLOR SWATCHES */
.color-picker-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.color-swatch {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: transform 0.2s;
}

.color-swatch:hover {
    transform: scale(1.1);
}

.color-swatch.active {
    border-color: var(--text);
    transform: scale(1.1);
}

/* FANCY TEXT GRID */
.fancy-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 20px;
}

.fancy-item {
    background: var(--input-bg);
    padding: 12px 16px;
    border-radius: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--card-border);
    gap: 12px;
    /* Ensure space between text and button */
}

.fancy-text {
    font-size: 17px;
    overflow-x: auto;
    white-space: nowrap;
    padding-right: 15px;
    -ms-overflow-style: none;
    scrollbar-width: none;
    /* Hide scrollbar for cleaner look */
}

.fancy-text::-webkit-scrollbar {
    display: none;
}

/* Prevent Copy button from squishing on mobile */
.fancy-item .btn-secondary {
    flex-shrink: 0;
}

/* CANVAS */
.canvas-container {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 20px;
    overflow: hidden;
}

#mcq-canvas {
    max-width: 100%;
    height: auto;
    aspect-ratio: 1/1;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* FOOTER */
.footer {
    text-align: center;
    color: var(--muted);
    font-size: 13px;
    margin-top: 20px;
    padding: 20px 0;
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.donate-btn {
    background: var(--card-border);
    border: 1px solid rgba(255, 122, 0, 0.3);
    color: var(--text);
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.donate-btn:hover {
    background: rgba(255, 122, 0, 0.1);
}

/* FLOATING BUTTON & MODAL */
.floating-donate {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    border: none;
    background: var(--gradient);
    color: #fff;
    font-size: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    animation: pulse 2s infinite;
    z-index: 50;
    box-shadow: 0 4px 15px rgba(255, 0, 77, 0.4);
    transition: transform 0.2s;
}

.floating-donate:hover {
    transform: scale(1.1);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 0, 77, 0.6);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(255, 0, 77, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(255, 0, 77, 0);
    }
}

.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
    backdrop-filter: blur(5px);
    opacity: 0;
}

.modal.active {
    display: flex;
    animation: modalFadeIn 0.2s forwards;
}

@keyframes modalFadeIn {
    to {
        opacity: 1;
    }
}

.modal-box {
    background: var(--card);
    padding: 30px;
    border-radius: 16px;
    text-align: center;
    border: 1px solid var(--card-border);
    max-width: 90%;
    width: 320px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    transform: translateY(20px);
}

.modal.active .modal-box {
    animation: modalSlideUp 0.3s ease-out forwards;
}

@keyframes modalSlideUp {
    to {
        transform: translateY(0);
    }
}

.modal-box img {
    width: 100%;
    max-width: 200px;
    border-radius: 12px;
    display: block;
    margin: 0 auto;
    border: 1px solid var(--card-border);
}


/* ==========================================
   📱 RESPONSIVE MEDIA QUERIES 📱
   ========================================== */

/* TABLETS & SMALL DESKTOPS */
@media (max-width: 900px) {

    .editor,
    .split-view {
        grid-template-columns: 1fr;
    }

    .top-header {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    /* Convert button row into a clean 2x2 grid */
    .action-row {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .action-row button {
        width: 100%;
        margin: 0;
    }
}

/* SMARTPHONES */
@media (max-width: 600px) {
    .app {
        padding: 15px 12px;
        /* Recover lost screen edge space */
    }

    .logo-area h1 {
        font-size: 24px;
    }

    .card {
        padding: 20px 15px;
        /* Thinner padding inside cards */
        margin-bottom: 15px;
    }

    /* Stack stats onto rows evenly */
    .stats {
        flex-wrap: wrap;
        gap: 8px;
    }

    .stat {
        flex: 1 1 calc(50% - 10px);
        text-align: center;
    }

    /* Stack buttons 1x1 on mobile so they don't squish */
    .action-row {
        grid-template-columns: 1fr;
    }

    .canvas-container {
        padding: 10px;
    }

    /* Reformat toggles slightly */
    .toggle-group {
        justify-content: flex-start;
    }

    /* Stack color picker beneath toggles cleanly */
    .controls-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .color-picker-wrapper {
        width: 100%;
        justify-content: space-between;
        margin-top: 5px;
        padding: 10px 0;
    }

    /* Shrink floating button slightly so it doesn't block text */
    .floating-donate {
        bottom: 16px;
        right: 16px;
        width: 48px;
        height: 48px;
        font-size: 20px;
    }

    .modal-box {
        padding: 24px 20px;
    }
}