/* ─── Wrapper ───────────────────────────────────────── */
.freediet-wrapper {
    width: 100%;
    max-width: 500px;
    height: 100vh;
    margin: 0 auto;
    padding: 0;
    direction: rtl;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    background: #ffffff;
    position: relative;
    overflow-y: hidden;
    overflow-x: hidden;
}

/* ─── Fixed Header (داخل wrapper است) ─────────────────── */
.freediet-wrapper #freediet-fixed-header {
    position: relative;
    width: 100%;
    background: #ffffff;
    border-bottom: 1px solid #e2e8f0;
    z-index: 10;
    flex-shrink: 0;
}

.freediet-wrapper .freediet-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    height: 60px;
    gap: 12px;
}

.freediet-wrapper #freediet-step-counter {
    font-size: 14px;
    font-weight: 300;
    color: #64748b;
    min-width: 50px;
    text-align: center;
    direction: ltr;
}

.freediet-wrapper #freediet-current-step,
.freediet-wrapper #freediet-total-steps {
    font-weight: 600;
    color: #0f766e;
}

.freediet-wrapper #freediet-logo {
    margin: 0;
    flex: 1;
    text-align: center;
    font-family: BordeauxBlack, sans-serif;
    font-size: 24px;
    color: #0f766e;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: color 0.3s ease;
}

.freediet-wrapper #freediet-logo:hover {
    color: #0d6761;
}

.freediet-wrapper #freediet-back-button {
    background: none;
    border: none;
    font-size: 30px;
    color: #0f766e;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: transform 0.2s ease;
}

.freediet-wrapper #freediet-back-button:hover {
    transform: scale(1.1);
    color: #0d6761;
}

.freediet-wrapper #freediet-progress-bar-container {
    width: calc(100% - 40px);
    max-width: 1032px;
    height: 4px;
    margin: 0 auto;
    background-color: #e2e8f0;
    border-radius: 3px;
    overflow: hidden;
}

.freediet-wrapper #freediet-progress-bar-container .freediet-progress-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, #0ea5a4 0%, #14b8a6 100%);
    border-radius: 3px;
    transition: width 0.35s ease;
}

/* ─── Container ─────────────────────────────────────── */
.freediet-wrapper .freediet-container {
    background: #ffffff;
    border-radius: 0;
    padding: 28px;
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
    border: 1px solid #eef2f7;
    display: block;
    width: 100%;
    flex: 1;
    box-sizing: border-box;
    overflow-y: auto;
    overflow-x: hidden;
    padding-bottom: 90px;
}

/* ─── Header Text ──────────────────────────────────── */
.freediet-wrapper .freediet-header {
    text-align: center;
    margin-bottom: 28px;
}

.freediet-wrapper .freediet-title {
    margin: 0 0 10px;
    font-size: 30px;
    font-weight: 800;
    color: #0f172a;
}

.freediet-wrapper .freediet-subtitle {
    margin: 0;
    font-size: 15px;
    line-height: 2;
    color: #64748b;
}

/* ─── Steps ───────────────────────────────────────── */
.freediet-wrapper .freediet-step {
    display: none;
}

.freediet-wrapper .freediet-step.freediet-step--active {
    display: block;
    margin-bottom: 10px;
}

.freediet-wrapper .freediet-step-card {
    min-height: 320px;
    border: 1px solid #e2e8f0;
    border-radius: 24px;
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
}

.freediet-wrapper .freediet-step-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    padding: 8px 16px;
    background: #dff7f4;
    color: #0f766e;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
}

.freediet-wrapper .freediet-step-title {
    margin: 0 0 12px;
    font-size: 26px;
    font-weight: 800;
    color: #0f172a;
}

.freediet-wrapper .freediet-step-desc {
    max-width: 540px;
    margin: 0 auto;
    font-size: 14px;
    line-height: 2.1;
    color: #475569;
    padding:0px 10px;
}

/* ─── استایل‌های مخصوص BMI ─────────────────────────── */
.freediet-bmi-fields {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin: 20px 0;
    flex-wrap: wrap;
}
.freediet-field-group {
    flex: 1;
    min-width: 120px;
    text-align: right;
}
.freediet-field-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 8px;
}
.freediet-field-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #cbd5e1;
    border-radius: 16px;
    font-size: 16px;
    background: #ffffff;
    transition: all 0.2s;
    box-sizing: border-box;
    text-align: center;
}
.freediet-field-group input:focus {
    outline: none;
    border-color: #0f766e;
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.2);
}
.freediet-bmi-result {
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: 8px;
    background: #e6f7f5;
    padding: 12px 20px;
    border-radius: 40px;
    margin: 16px auto;
    width: fit-content;
    font-weight: 700;
}
.freediet-bmi-result .bmi-value {
    font-size: 20px;
    color: #0f766e;
}
.freediet-bmi-result .bmi-category {
    font-size: 16px;
    color: #0f172a;
}
.freediet-bmi-note {
    font-size: 12px;
    color: #64748b;
    margin-top: 8px;
}

/* ─── دکمه‌های ثابت پایین صفحه ─────────────────────── */
.freediet-wrapper #freediet-next-button-container,
.freediet-wrapper #freediet-submit-button-container {
    position: fixed;
    bottom: 0;
    width: 100%;
    max-width: 500px;
    background: #ffffff;
    padding: 15px 20px;
    text-align: center;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.08);
    box-sizing: border-box;
    z-index: 1000;
    left: 0;
    right: 0;
    margin: 0 auto;
}

.freediet-wrapper #freediet-next-button-container .freediet-btn,
.freediet-wrapper #freediet-submit-button-container .freediet-btn {
    width: 100%;
    display: block;
    border-radius: 16px;
    padding: 16px 22px;
    font-size: 16px;
    font-weight: 800;
    background: #0f766e;
    color: #ffffff;
    border: none;
    cursor: pointer;
    transition: all 0.25s ease;
}

.freediet-wrapper #freediet-next-button-container .freediet-btn:hover,
.freediet-wrapper #freediet-submit-button-container .freediet-btn:hover {
    background: #0d6761;
    transform: translateY(-1px);
}

/* ─── اضافه کردن padding-bottom به container برای فاصله از دکمه ثابت ─── */
.freediet-wrapper .freediet-container {
    padding-bottom: 90px;
}

/* ─── Responsive ───────────────────────────────────── */
@media (max-width: 768px) {
    .freediet-wrapper {
        max-width: 100%;
    }
    
    .freediet-wrapper #freediet-progress-bar-container {
        width: calc(100% - 30px);
    }

    .freediet-wrapper .freediet-container {
        padding: 20px;
        padding-bottom: 80px;
    }

    .freediet-wrapper .freediet-title {
        font-size: 24px;
    }

    .freediet-wrapper .freediet-step-title {
        font-size: 22px;
    }

    .freediet-wrapper .freediet-step-card {
        min-height: 260px;
        padding: 20px 16px;
    }

    .freediet-wrapper .freediet-header-row {
        padding: 0 12px;
        gap: 8px;
    }
    
    .freediet-wrapper #freediet-step-counter {
        font-size: 12px;
        min-width: 40px;
    }
    
    .freediet-wrapper #freediet-back-button {
        width: 32px;
        font-size: 24px;
    }
    
    .freediet-wrapper #freediet-logo {
        font-size: 18px;
    }

    .freediet-wrapper #freediet-next-button-container,
    .freediet-wrapper #freediet-submit-button-container {
        max-width: 100%;
        padding: 12px 16px;
    }
    
    .freediet-bmi-fields {
        flex-direction: column;
        gap: 12px;
    }
}

@media (min-width: 769px) {
    .freediet-wrapper {
        box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    }
    
    .freediet-wrapper .freediet-step-card {
        min-height: 280px;
    }
}

/* ─── گزینه‌های انتخابی (کارت‌ها) ─────────────────────── */
.freediet-wrapper .freediet-options-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 24px;
    padding: 0 8px;
}

.freediet-wrapper .freediet-option-card {
    background: #ffffff;
    border: 2px solid #e2e8f0;
    border-radius: 20px;
    padding: 20px 12px;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.freediet-wrapper .freediet-option-card:hover {
    border-color: #0f766e;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(15, 118, 110, 0.12);
}

.freediet-wrapper .freediet-option-card.selected {
    background: linear-gradient(135deg, #0f766e 0%, #14b8a6 100%);
    border-color: #0f766e;
}

.freediet-wrapper .freediet-option-card.selected .freediet-option-number,
.freediet-wrapper .freediet-option-card.selected .freediet-option-label {
    color: #ffffff;
}

.freediet-wrapper .freediet-option-number {
    display: block;
    font-size: 32px;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 8px;
    transition: color 0.25s ease;
}

.freediet-wrapper .freediet-option-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #64748b;
    transition: color 0.25s ease;
}

@media (min-width: 480px) {
    .freediet-wrapper .freediet-options-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .freediet-wrapper .freediet-option-number {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .freediet-wrapper .freediet-options-grid {
        gap: 6px;
    }
    
    .freediet-wrapper .freediet-option-card {
        padding: 16px 8px;
    }
    
    .freediet-wrapper .freediet-option-number {
        font-size: 24px;
    }
}

/* ─── تصاویر کارت‌ها ─────────────────────────── */
.freediet-wrapper .freediet-option-image {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 12px;
}
.freediet-wrapper .freediet-option-image img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border-radius: 20px;
    background: #f1f5f9;
    transition: transform 0.2s ease;
    border: 0.5px solid;
}
.freediet-wrapper .freediet-option-card:hover .freediet-option-image img {
    transform: scale(1.02);
}
.freediet-wrapper .freediet-option-card.selected .freediet-option-image img {
    background: rgba(255,255,255,0.2);
}

/* ─── توضیحات ─── */
.freediet-wrapper .freediet-option-desc {
    margin-top: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 12px;
    color: #475569;
}
.freediet-wrapper .desc-text {
    line-height: 1.4;
}
.freediet-wrapper .info-btn {
    background: none;
    border: none;
    font-size: 16px;
    cursor: pointer;
    color: #0f766e;
    padding: 0 4px;
    transition: all 0.2s;
    display: none;
}
.freediet-wrapper .info-btn:hover {
    transform: scale(1.1);
}

@media (max-width: 768px) {
    .freediet-wrapper .desc-text {
        display: inline-block;
    }
    .freediet-wrapper .freediet-option-image img {
        width: 120px;
        height: 120px;
    }
    .freediet-wrapper .freediet-option-desc {
        flex-wrap: wrap;
        justify-content: center;
    }
    .freediet-wrapper .desc-text {
        white-space: normal;
        text-align: center;
        font-size: 11px;
        line-height: 1.3;
        margin-top: 4px;
    }    
}

@media (min-width: 769px) {
    .freediet-wrapper .desc-text {
        display: inline-block;
    }
    .freediet-wrapper .info-btn {
        display: none;
    }
}

.freediet-toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: #0f172a;
    color: white;
    padding: 10px 20px;
    border-radius: 40px;
    font-size: 14px;
    z-index: 2000;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    animation: fadeInUp 0.2s ease;
}
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* ─── نمودار BMI با گرادیان پیوسته ─── */
.freediet-bmi-chart {
    margin: 20px auto;
    width: 100%;
    max-width: 320px;
    position: relative;
    direction: ltr;
}

.bmi-gradient-bar {
    width: 100%;
    height: 40px;
    border-radius: 30px;
    background: linear-gradient(90deg, 
        #3b82f6 0%,        /* آبی - لاغر */
        #10b981 33%,       /* سبز - نرمال */
        #f59e0b 66%,       /* نارنجی - اضافه وزن */
        #ef4444 100%);     /* قرمز - چاق */
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.bmi-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    padding: 0 8px;
    font-size: 11px;
    font-weight: 500;
    color: #334155;
    direction: ltr;
}
.bmi-labels span {
    flex: 1;
    text-align: center;
}

.bmi-marker-container {
    position: relative;
    width: 100%;
    height: 0;
    top: -20px; /* نصف ارتفاع نوار */
    pointer-events: none;
    direction: ltr;
}

.bmi-marker {
    position: absolute;
    top: -8px;
    transform: translateX(-50%);
    transition: left 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 40px;
    will-change: left;
}

.marker-dot {
    width: 16px;
    height: 16px;
    background-color: #0f172a;
    border: 2px solid white;
    border-radius: 50%;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    transition: background-color 0.2s;
}

.marker-value {
    font-size: 12px;
    font-weight: bold;
    background: #ffffffcc;
    backdrop-filter: blur(4px);
    padding: 2px 6px;
    border-radius: 20px;
    margin-top: 4px;
    color: #0f172a;
    white-space: nowrap;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* در موبایل نمودار کمی جمع‌تر */
@media (max-width: 480px) {
    .bmi-marker {
        width: 32px;
    }
    .marker-value {
        font-size: 10px;
    }
}
.bmi-segment.underweight { background: linear-gradient(135deg, #3b82f6, #1e3a8a); }
.bmi-segment.normal { background: linear-gradient(135deg, #10b981, #047857); }
.bmi-segment.overweight { background: linear-gradient(135deg, #f59e0b, #b45309); }
.bmi-segment.obese { background: linear-gradient(135deg, #ef4444, #991b1b); }

.bmi-marker-container {
    position: relative;
    width: 100%;
    height: 0;
    top: -20px; /* نصف ارتفاع نوار */
    pointer-events: none;
    direction: ltr;
}
.bmi-marker {
    position: absolute;
    top: -8px;
    transform: translateX(-50%);
    transition: left 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 40px;
    will-change: left;
}
.marker-dot {
    width: 16px;
    height: 16px;
    background-color: #0f172a;
    border: 2px solid white;
    border-radius: 50%;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    transition: background-color 0.2s;
}
.marker-value {
    font-size: 12px;
    font-weight: bold;
    background: #ffffffcc;
    backdrop-filter: blur(4px);
    padding: 2px 6px;
    border-radius: 20px;
    margin-top: 4px;
    color: #0f172a;
    white-space: nowrap;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* در موبایل نمودار کمی جمع‌تر */
@media (max-width: 480px) {
    .bmi-segment {
        font-size: 9px;
    }
    .bmi-marker {
        width: 32px;
    }
    .marker-value {
        font-size: 10px;
    }
}