:root {
    --primary-color: #8B5A3C;
    --primary-light: #A2704E;
    --primary-dark: #6F442A;
    --primary-soft: rgba(139, 90, 60, 0.08);
    --primary-mid: rgba(139, 90, 60, 0.12);
    --primary-dark-bg: #5D3E2E;
    --background-color: #FFFFFF;
    --surface-color: #F8F6F2;
    --surface-elevated: #FFFFFF;
    --border-color: #EBE3DA;
    --border-light: #F0EAE3;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.03), 0 1px 2px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.03), 0 2px 4px rgba(0, 0, 0, 0.02);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.05), 0 4px 8px rgba(0, 0, 0, 0.03);
    --shadow-hover: 0 12px 28px -8px rgba(100, 70, 40, 0.12);
    --text-primary: #2C241A;
    --text-secondary: #6B5A4A;
    --text-tertiary: #9B8B7A;
    --transition-default: all 0.2s cubic-bezier(0.2, 0.9, 0.4, 1.1);
    --success-color: #2E7D32;
}

.convertor {
    max-width: 1000px;
    margin: 32px auto;
    background: var(--surface-elevated);
    border-radius: 28px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition-default);
}

.convertor:hover {
    box-shadow: var(--shadow-md);
}

.convertor .header {
    background: linear-gradient(135deg, var(--primary-dark-bg) 0%, var(--primary-color) 100%);
    padding: 32px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.convertor .header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
    pointer-events: none;
}

.convertor .header h1 {
    font-size: clamp(24px, 6vw, 32px);
    font-weight: 700;
    color: white;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
    position: relative;
}

.convertor .header p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.88);
    margin-bottom: 4px;
    position: relative;
}

.convertor .header .subtitle {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 8px;
    position: relative;
}

.convertor .info-box {
    background: var(--surface-color);
    border-right: 3px solid var(--primary-color);
    padding: 14px 20px;
    margin: 16px 24px 0;
    border-radius: 16px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: var(--transition-default);
}

.convertor .info-box:last-of-type {
    margin-bottom: 0;
}

.convertor form {
    padding: 24px;
}

.textarea-input {
    width: 100%;
    min-height: 180px;
    padding: 16px 20px;
    border: 1.5px solid var(--border-color);
    border-radius: 20px;
    background: var(--surface-color);
    font-size: 1rem;
    font-family: inherit;
    line-height: 1.7;
    resize: vertical;
    transition: var(--transition-default);
    color: var(--text-primary);
    box-sizing: border-box;
}

.textarea-input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--surface-elevated);
    box-shadow: 0 0 0 3px var(--primary-soft);
}

.textarea-input::placeholder {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.actions {
    display: flex;
    gap: 16px;
    margin-top: 20px;
}

.button {
    flex: 1;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 48px;
    cursor: pointer;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-default);
    letter-spacing: 0.3px;
}

.button:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.button:active {
    transform: translateY(0);
}

#processedText {
    padding: 28px;
    background: var(--surface-color);
    border-top: 1px solid var(--border-color);
    min-height: 200px;
    line-height: 1.9;
    font-size: 1rem;
    color: var(--text-primary);
    direction: rtl;
    text-align: right;
    word-wrap: break-word;
    white-space: pre-wrap;
}

.replaceable-word {
    background: var(--primary-soft);
    color: var(--primary-color);
    cursor: pointer;
    padding: 4px 12px;
    border-radius: 24px;
    transition: var(--transition-default);
    font-weight: 500;
    display: inline-block;
    margin: 0 4px;
    border: 1px solid transparent;
    font-size: 0.95rem;
    position: relative;
}

.replaceable-word:hover {
    background: var(--primary-mid);
    transform: translateY(-2px);
    border-color: var(--primary-light);
}

.replaceable-word:active {
    transform: translateY(0);
}

.rtl-swal {
    font-family: inherit !important;
}

.swal2-popup {
    font-family: inherit !important;
    border-radius: 24px !important;
    padding: 0 !important;
    width: 34em !important;
    max-width: 90% !important;
    box-shadow: var(--shadow-lg) !important;
}

.swal2-title {
    color: var(--text-primary) !important;
    font-size: 1.3rem !important;
    font-weight: 600 !important;
    padding: 24px 24px 8px !important;
}

.swal2-html-container {
    color: var(--text-secondary) !important;
    font-size: 0.95rem !important;
    padding: 0 24px !important;
    margin: 0 !important;
}

.swal2-radio {
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
    text-align: right !important;
    margin: 16px 0 !important;
    padding: 0 !important;
}

.radio-item {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    padding: 12px 16px !important;
    background: var(--surface-color) !important;
    border-radius: 16px !important;
    border: 1px solid var(--border-color) !important;
    transition: var(--transition-default) !important;
    cursor: pointer !important;
}

.radio-item:hover {
    border-color: var(--primary-light) !important;
    background: var(--primary-soft) !important;
}

.swal2-radio input[type="radio"] {
    margin: 0 !important;
    accent-color: var(--primary-color) !important;
    width: 18px !important;
    height: 18px !important;
    flex-shrink: 0;
}

.swal2-radio label {
    font-size: 0.95rem !important;
    color: var(--text-primary) !important;
    margin: 0 !important;
    flex: 1;
    cursor: pointer;
}

.custom-input {
    margin-top: 8px;
}

.swal2-input {
    width: calc(100% - 32px) !important;
    padding: 12px 16px !important;
    margin: 8px 16px !important;
    border: 1.5px solid var(--border-color) !important;
    border-radius: 16px !important;
    font-size: 0.9rem !important;
    font-family: inherit !important;
    transition: var(--transition-default) !important;
    box-sizing: border-box;
}

.swal2-input:focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px var(--primary-soft) !important;
    outline: none;
}

.swal2-actions {
    padding: 8px 24px 24px !important;
    gap: 12px !important;
}

.swal2-confirm {
    background: var(--primary-color) !important;
    border-radius: 40px !important;
    padding: 10px 28px !important;
    font-size: 0.9rem !important;
    font-weight: 600 !important;
    transition: var(--transition-default) !important;
    box-shadow: none !important;
}

.swal2-confirm:hover {
    background: var(--primary-light) !important;
    transform: translateY(-1px) !important;
}

.swal2-cancel {
    background: transparent !important;
    border: 1.5px solid var(--border-color) !important;
    color: var(--text-secondary) !important;
    border-radius: 40px !important;
    padding: 10px 28px !important;
    font-size: 0.9rem !important;
    transition: var(--transition-default) !important;
    box-shadow: none !important;
}

.swal2-cancel:hover {
    background: var(--surface-color) !important;
    border-color: var(--primary-light) !important;
}

.swal2-icon {
    border-color: var(--primary-color) !important;
}

.swal2-success {
    border-color: var(--success-color) !important;
}

@media (max-width: 768px) {
    .convertor {
        margin: 20px 16px;
        border-radius: 24px;
    }

    .convertor .header {
        padding: 24px 20px;
    }

    .convertor .header h1 {
        font-size: 26px;
    }

    .convertor form {
        padding: 20px;
    }

    .textarea-input {
        min-height: 150px;
        padding: 14px 18px;
    }

    .actions {
        flex-direction: column;
        gap: 12px;
    }

    .button {
        width: 100%;
    }

    .convertor .info-box {
        margin: 12px 20px 0;
        padding: 12px 16px;
    }

    #processedText {
        padding: 20px;
    }

    .swal2-popup {
        width: 95% !important;
    }
}

@media (max-width: 480px) {
    .convertor {
        margin: 12px;
        border-radius: 20px;
    }

    .convertor .header {
        padding: 20px 16px;
    }

    .convertor .header h1 {
        font-size: 22px;
    }

    .convertor form {
        padding: 16px;
    }

    .textarea-input {
        padding: 12px 16px;
        min-height: 130px;
    }

    #processedText {
        padding: 16px;
        font-size: 0.9rem;
    }

    .replaceable-word {
        padding: 3px 10px;
        font-size: 0.85rem;
        margin: 0 2px;
    }

    .radio-item {
        padding: 10px 12px;
    }

    .swal2-title {
        font-size: 1.1rem !important;
        padding: 20px 20px 8px !important;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#processedText {
    animation: fadeInUp 0.3s ease-out;
}

.button.loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.button.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid white;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: 16px;
}