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

:root {
    --primary: #1a7f7d;
    --primary-light: #e8f5f4;
    --primary-dark: #0d5654;
    --accent: #d4f1f0;
    --text-dark: #2c3e50;
    --text-light: #6b7280;
    --bg-main: #f8fffe;
    --card-bg: #ffffff;
    --shadow: rgba(26, 127, 125, 0.1);
    --shadow-hover: rgba(26, 127, 125, 0.2);
}

body {
    font-family: 'Vazirmatn', sans-serif;
    background: linear-gradient(135deg, #f8fffe 0%, #e8f5f4 100%);
    color: var(--text-dark);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Header */
.header {
    background: var(--card-bg);
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

.logo-text {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.header-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.menu-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--primary);
    background: var(--card-bg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.menu-btn:hover {
    background: var(--primary);
    transform: scale(1.05);
}

.menu-btn svg {
    stroke: var(--primary);
    transition: stroke 0.3s;
}

.menu-btn:hover svg {
    stroke: white;
}

/* Main Content */
.main-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: calc(100vh - 90px);
    padding: 40px 20px;
    /* Remove or reduce extra space at bottom if present */
}

/* Move .editor-container below header, no z-index above bottom-sheet, just positioned below header */
.editor-container {
    width: 100%;
    max-width: 900px;
    background: var(--card-bg);
    border-radius: 24px;
    padding: 60px 40px;
    box-shadow: 0 10px 40px var(--shadow);
    /* margin-bottom removed to prevent pushing box up behind sheet */
    margin-top: 32px; /* Space from header */
    margin-bottom: 0;
}

/* Helper: keep editor-container pinned directly below header on scroll. */
@media (min-width: 0px) {
    .main-content {
        padding-top: 0;
    }
    .editor-container {
        /* Remove flex/centered look, make it always just below header */
        margin-left: auto;
        margin-right: auto;
    }
}

.editor {
    min-height: 200px;
    padding: 30px;
    border: 2px solid var(--primary-light);
    border-radius: 16px;
    background: var(--bg-main);
    font-size: 32px;
    line-height: 2;
    outline: none;
    direction: rtl;
    text-align: center;
    color: var(--text-dark);
    transition: all 0.3s;
    font-family: 'Vazirmatn', sans-serif;
}

.editor:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(26, 127, 125, 0.1);
}

.editor:empty:before {
    content: attr(data-placeholder);
    color: var(--text-light);
    opacity: 0.5;
}

/* Export Button */
.export-btn {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    padding: 18px 50px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 50px;
    font-family: 'Vazirmatn', sans-serif;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 8px 25px var(--shadow-hover);
    z-index: 90;
}

.export-btn:hover {
    background: var(--primary-dark);
    transform: translateX(-50%) translateY(-3px);
    box-shadow: 0 12px 35px var(--shadow-hover);
}

/* Bottom Sheet Overlay */
.bottom-sheet-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 998;
}

.bottom-sheet-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Bottom Sheet */
.bottom-sheet {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--card-bg);
    border-radius: 30px 30px 0 0;
    padding: 25px;
    transform: translateY(100%);
    transition: transform 0.3s ease-out;
    z-index: 999;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 -10px 40px var(--shadow-hover);
}

.bottom-sheet.active {
    transform: translateY(0);
}

.bottom-sheet-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary-light);
}

.bottom-sheet-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    margin-left: 16px;
}

/* ...rest of styles unchanged... */
.clear-effects-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
    font-weight: 600;
    background: var(--primary-light);
    border: none;
    color: var(--primary-dark);
    padding: 7px 14px 7px 11px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.22s;
}
.clear-effects-btn:hover, .clear-effects-btn:focus {
    background: var(--primary);
    color: #fff;
}
.clear-effects-btn svg {
    width: 19px;
    height: 19px;
    margin-left: 3px;
    vertical-align: middle;
    stroke: var(--primary-dark);
    transition: stroke 0.22s;
}
.clear-effects-btn:hover svg, .clear-effects-btn:focus svg {
    stroke: #fff;
}

.close-btn {
    width: 35px;
    height: 35px;
    border: none;
    background: var(--primary-light);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.close-btn:hover {
    background: var(--primary);
    transform: rotate(90deg);
}

.close-btn svg {
    stroke: var(--primary);
    transition: stroke 0.3s;
}

.close-btn:hover svg {
    stroke: white;
}

.sheet-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
    overflow-x: auto;
    padding-bottom: 5px;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-light) var(--card-bg);
    -webkit-overflow-scrolling: touch;
}

.sheet-tabs::-webkit-scrollbar {
    height: 8px;
    background: var(--card-bg);
}
.sheet-tabs::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: 4px;
    transition: background 0.3s;
}
.sheet-tabs::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}
.sheet-tabs::-webkit-scrollbar-track {
    background: var(--card-bg);
}

.sheet-tab {
    padding: 10px 20px;
    border: 2px solid var(--primary-light);
    border-radius: 12px;
    background: var(--card-bg);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    transition: all 0.3s;
    white-space: nowrap;
}

.sheet-tab.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s;
}

.tab-content.active {
    display: block;
}

.section {
    margin-bottom: 25px;
}

.section-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 15px;
}

.font-grid,
.style-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
}

.font-card,
.style-card {
    background: var(--bg-main);
    border: 2px solid var(--primary-light);
    border-radius: 14px;
    padding: 20px 15px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.font-card:hover,
.style-card:hover,
.font-card.active,
.style-card.active {
    border-color: var(--primary);
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px var(--shadow-hover);
}

.font-preview {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.font-name {
    font-size: 11px;
    opacity: 0.7;
    font-weight: 500;
}

.style-preview {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.color-swatches {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(50px, 1fr));
    gap: 12px;
}

.color-swatch {
    width: 100%;
    height: 50px;
    border-radius: 12px;
    cursor: pointer;
    border: 3px solid transparent;
    transition: all 0.3s;
}

.color-swatch:hover,
.color-swatch.active {
    transform: scale(1.1);
    border-color: var(--primary-dark);
    box-shadow: 0 4px 12px var(--shadow-hover);
}

.control-group {
    background: var(--bg-main);
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 15px;
}

.control-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.control-row:last-child {
    margin-bottom: 0;
}

.control-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
}

.control-row select,
.control-row input[type="range"],
.control-row input[type="number"] {
    padding: 8px 12px;
    border: 2px solid var(--primary-light);
    border-radius: 8px;
    background: var(--card-bg);
    font-family: 'Vazirmatn', sans-serif;
    font-size: 14px;
    color: var(--text-dark);
    width: 150px;
}

.control-row input[type="range"] {
    width: 150px;
    accent-color: var(--primary);
}

.action-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 20px;
}

.action-btn {
    padding: 12px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-family: 'Vazirmatn', sans-serif;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.action-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-hover);
}

.action-btn.secondary {
    background: var(--primary-light);
    color: var(--primary);
}

.action-btn.secondary:hover {
    background: var(--primary);
    color: white;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .header {
        padding: 15px 20px;
    }
    .logo-text {
        font-size: 22px;
    }
    .editor-container {
        padding: 40px 25px;
        margin-top: 16px;
    }
    .editor {
        font-size: 24px;
        padding: 20px;
    }
    .export-btn {
        padding: 15px 35px;
        font-size: 16px;
        bottom: 20px;
    }
    .bottom-sheet {
        max-height: 90vh;
    }
    .font-grid,
    .style-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
    .control-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    .control-row select,
    .control-row input[type="range"],
    .control-row input[type="number"] {
        width: 100%;
    }
    .clear-effects-btn {
        font-size: 12px;
        padding: 6px 7px 6px 7px;
    }
}