/* ===================================================
   Dosing Calculator — mobile-first wizard styles
   =================================================== */

/* --- No scroll on dosing page ---------------------- */

body.dosing-page {
    overflow: hidden;
    height: 100vh;
}

body.dosing-page .dosing-footer-hidden {
    display: none;
}

body.dosing-page.calc-showing-result .calc-wizard-header {
    display: none !important;
}

/* --- Page title ------------------------------------ */

.calc-title {
    font-family: 'Lora', serif;
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--text-color, #323232);
    margin: 0 0 4px;
}

.calc-subtitle {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9rem;
    color: #888;
    margin: 0 0 24px;
}

/* --- Layout ---------------------------------------- */

.calc-main {
    max-width: 540px;
    margin: 0 auto;
    padding: 24px 20px 20px;
    height: calc(100vh - 70px);
    min-height: 0;
    display: flex;
    flex-direction: column;
}

/* --- Progress bar ---------------------------------- */

.calc-progress-wrap {
    margin-bottom: 24px;
}

.calc-progress-label {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.8rem;
    font-weight: 500;
    color: #888;
    margin-bottom: 8px;
}

.calc-progress {
    width: 100%;
    height: 6px;
    background: var(--border-color, #d1d1d1);
    border-radius: 3px;
    overflow: hidden;
}

.calc-progress-fill {
    height: 100%;
    width: 16%;
    background: #E56346;
    border-radius: 3px;
    transition: width 0.4s ease;
}

/* --- Wizard viewport ------------------------------- */

.calc-viewport {
    flex: 1;
    position: relative;
    overflow: hidden;
}

/* Individual step card */
.calc-step {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.35s ease, transform 0.35s ease;
    pointer-events: none;
    will-change: transform, opacity;
}

.calc-step.active {
    position: relative;
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.calc-step.exit-left {
    opacity: 0;
    transform: translateX(-60px);
    pointer-events: none;
}

.calc-step.enter-right {
    opacity: 0;
    transform: translateX(60px);
    pointer-events: none;
}

/* --- Step content ---------------------------------- */

.calc-step-question {
    font-family: 'Lora', serif;
    font-size: 1.35rem;
    font-weight: 400;
    line-height: 1.4;
    color: var(--text-color, #323232);
    margin: 0 0 8px;
}

.calc-step-hint {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    color: #888;
    margin: 0 0 24px;
    font-weight: 400;
}

/* --- Option buttons -------------------------------- */

.calc-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.calc-options.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.calc-options.yesno {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.calc-option {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 64px;
    padding: 16px 20px;
    border: 2px solid var(--border-color, #d1d1d1);
    border-radius: 14px;
    background: #fff;
    color: var(--text-color, #323232);
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
    transition: border-color 0.2s ease,
                background-color 0.2s ease,
                color 0.2s ease,
                transform 0.12s ease,
                box-shadow 0.2s ease;
}

.calc-option:hover {
    border-color: #aaa;
}

.calc-option:active {
    transform: scale(0.97);
}

.calc-option.selected {
    background: #E56346;
    border-color: #E56346;
    color: #fff;
    box-shadow: 0 4px 14px rgba(229, 99, 70, 0.25);
}

/* Back button */
.calc-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: none;
    border: none;
    color: #888;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    padding: 8px 0;
    margin-bottom: 20px;
    -webkit-tap-highlight-color: transparent;
    transition: color 0.2s ease;
}

.calc-back:hover {
    color: var(--text-color, #323232);
}

.calc-back svg {
    width: 16px;
    height: 16px;
}

/* --- Result card ----------------------------------- */

.calc-result {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 0;
}

.calc-result.visible {
    display: flex;
    animation: resultReveal 0.5s ease both;
}

@keyframes resultReveal {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.calc-result .calc-back {
    margin-bottom: 20px;
}

.calc-result-inner {
    width: 100%;
    text-align: center;
    background: #fff;
    border-radius: 20px;
    padding: 40px 28px 32px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.calc-result-label {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: #888;
    margin: 0 0 12px;
}

.calc-result-gems {
    font-family: 'Lora', serif;
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-color, #323232);
    margin: 0;
    line-height: 1.1;
}

.calc-result-grams {
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    color: #888;
    margin: 4px 0 24px;
}

.calc-result-timing {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9rem;
    color: #666;
    line-height: 1.5;
    margin: 0 0 16px;
    padding: 0 8px;
}

.calc-result-warning {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    color: #E56346;
    line-height: 1.5;
    margin: 0 0 28px;
    padding: 0 8px;
}

.calc-result-warning:empty {
    display: none;
    margin: 0;
}

.calc-result-cta {
    display: block;
    width: 100%;
    padding: 18px 24px;
    background: var(--text-color, #323232);
    color: #fff;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    border-radius: 14px;
    text-align: center;
    transition: opacity 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

.calc-result-cta:hover {
    opacity: 0.85;
}

.calc-result-reset {
    display: inline-block;
    margin-top: 20px;
    background: none;
    border: none;
    color: #888;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    padding: 8px 16px;
    -webkit-tap-highlight-color: transparent;
    transition: color 0.2s ease;
}

.calc-result-reset:hover {
    color: var(--text-color, #323232);
}

/* --- Responsive adjustments for larger screens ----- */

@media (min-width: 600px) {
    .calc-main {
        padding: 32px 32px 24px;
    }

    .calc-title {
        font-size: 1.75rem;
    }

    .calc-step-question {
        font-size: 1.5rem;
    }

    .calc-option {
        min-height: 56px;
        font-size: 1.05rem;
        border-radius: 12px;
    }

    .calc-result-inner {
        padding: 48px 40px 40px;
    }

    .calc-result-gems {
        font-size: 4rem;
    }
}