.text-gradient-teal {
    background: var(--grad-teal);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

/* Custom layout parameters for this specific premium utility */
.tool-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: calc(var(--nav-height) + 2rem) 2rem 4rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    transition: var(--transition-smooth);
}

.back-link:hover {
    color: var(--accent-indigo);
    transform: translateX(-4px);
}

.back-link svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
    transform: rotate(180deg);
}

.tool-grid-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 1.5rem;
}

@media (max-width: 992px) {
    .tool-grid-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .tool-container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    .tool-panel {
        padding: 1.25rem;
    }
}

.tool-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transition: var(--transition-smooth);
    position: relative;
}

.tool-panel:hover {
    border-color: rgba(20, 184, 166, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.panel-title {
    font-family: 'Be Vietnam Pro', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.counter-badge {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 400;
}

.text-editor-area {
    width: 100%;
    height: 320px;
    background: rgba(10, 15, 28, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 1.25rem;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    line-height: 1.6;
    resize: none;
    outline: none;
    transition: var(--transition-smooth);
}

.text-editor-area:focus {
    border-color: var(--accent-teal);
    box-shadow: 0 0 15px rgba(20, 184, 166, 0.15);
}

/* Controls styling */
.controls-card {
    background: rgba(17, 25, 40, 0.4);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 576px) {
    .input-row {
        grid-template-columns: 1fr;
    }
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.control-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.control-input {
    background: rgba(9, 13, 22, 0.8);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    outline: none;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.control-input:focus {
    border-color: var(--accent-teal);
}

.options-row {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.checkbox-container {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}

.checkbox-container input {
    cursor: pointer;
    accent-color: var(--accent-teal);
    width: 16px;
    height: 16px;
}

/* Preset helpers */
.presets-section {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.presets-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-teal);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.presets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 0.5rem;
}

.preset-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-align: center;
}

.preset-btn:hover {
    background: rgba(20, 184, 166, 0.1);
    border-color: var(--accent-teal);
    color: var(--text-primary);
}

/* Action Buttons */
.btn-replace-action {
    background: var(--grad-teal);
    color: white;
    border: none;
    padding: 0.9rem;
    border-radius: var(--border-radius-md);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: var(--glow-teal);
}

.btn-replace-action:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
}

.btn-replace-action:active {
    transform: translateY(0);
}

.action-row {
    display: flex;
    gap: 1rem;
    margin-top: auto;
}

.btn-secondary-action {
    flex: 1;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-secondary-action:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--text-secondary);
}

.preset-btn.selected {
    background: var(--grad-teal) !important;
    border-color: var(--accent-teal) !important;
    color: white !important;
    box-shadow: 0 4px 12px rgba(20, 184, 166, 0.25);
}

/* Mobile Tabs Styling */
.mobile-tabs-container {
    display: none;
}

@media (max-width: 992px) {
    .mobile-tabs-container {
        display: flex;
        gap: 0.5rem;
        background: rgba(17, 25, 40, 0.4);
        padding: 0.4rem;
        border-radius: 50px;
        border: 1px solid var(--border-color);
        margin-bottom: 1.5rem;
        width: 100%;
    }

    .mobile-tab-btn {
        flex: 1;
        background: transparent;
        border: none;
        outline: none;
        color: var(--text-secondary);
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
        font-weight: 600;
        border-radius: 50px;
        cursor: pointer;
        transition: var(--transition-smooth);
        font-family: 'Be Vietnam Pro', sans-serif;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .mobile-tab-btn.active {
        background: var(--grad-teal);
        color: white;
        box-shadow: var(--glow-teal);
    }

    .tool-grid-layout {
        grid-template-columns: 1fr;
    }

    /* Hide panels on mobile until active */
    .tool-panel {
        display: none !important;
    }

    .tool-panel.active-panel {
        display: flex !important;
    }

    /* Optimize heights on mobile */
    .text-editor-area {
        height: 220px;
    }

    .tool-container {
        padding: calc(var(--nav-height) + 1rem) 1rem 3rem;
    }
}

.btn-copy.success {
    background: rgba(16, 185, 129, 0.15) !important;
    border-color: #10b981 !important;
    color: #34d399 !important;
}