@font-face {
    font-family: 'KrutiDev010';
    src: url('../fonts/KrutiDev010.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

:root {
    --kdc-primary: #ff6600;
    --kdc-bg: #f8fafc;
    --kdc-card-bg: #ffffff;
    --kdc-secondary: #b45309;
    --kdc-text: #0f172a;
    --kdc-text-muted: #475569;
    --kdc-border: rgba(255, 102, 0, 0.12);
    --kdc-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
    --kdc-glow: 0 0 20px rgba(255, 102, 0, 0.08);
}

.kdc-app-container {
    background: transparent;
    color: var(--kdc-text);
    font-family: 'Inter', sans-serif;
    padding: 0;
    margin: 0;
    max-width: 100%;
    width: 100%;
    overflow-x: clip;
    box-shadow: none;
}

.kdc-hero {
    text-align: center;
    margin-bottom: 3.5rem;
}

.kdc-badge {
    display: inline-block;
    background: rgba(255, 153, 51, 0.1);
    color: var(--kdc-primary);
    padding: 0.5rem 1rem;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    border: 1px solid rgba(255, 153, 51, 0.2);
}

.kdc-title {
    font-size: 3rem;
    font-weight: 800;
    margin: 0 0 1rem 0;
    background: linear-gradient(to right, var(--kdc-text), var(--kdc-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

.kdc-subtitle {
    color: var(--kdc-text-muted);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

.kdc-controls {
    display: flex;
    flex-direction: row; /* Controls aligned side-by-side */
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    width: 100%;
}

.kdc-controls-left {
    display: flex;
    align-items: center;
}

.kdc-controls-right {
    display: flex;
    align-items: center;
}

.kdc-toggle-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.kdc-toggle-label {
    font-size: 0.875rem;
    color: var(--kdc-text-muted);
    font-weight: 500;
}

.kdc-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.kdc-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.kdc-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.08);
    transition: .4s;
    border-radius: 34px;
}

.kdc-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .kdc-slider {
    background-color: var(--kdc-primary);
}

input:checked + .kdc-slider:before {
    transform: translateX(20px);
}

.kdc-warning-box {
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    padding: 0.75rem 1.25rem;
    border-radius: 12px;
    font-size: 0.875rem;
    border: 1px solid rgba(239, 68, 68, 0.2);
    display: none;
    animation: fadeIn 0.3s ease-out;
}

.kdc-main-grid {
    display: grid;
    grid-template-columns: 1fr 60px 1fr; /* Narrow center divider to maximize side-to-side writing space */
    gap: 0.75rem;
    align-items: start;
}

.kdc-card {
    background: var(--kdc-card-bg);
    border: 1px solid var(--kdc-border);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    min-height: clamp(280px, 42vh, 520px);
    height: auto;
}

.kdc-card:focus-within {
    border-color: var(--kdc-primary);
    box-shadow: var(--kdc-glow);
}

.kdc-card-header {
    padding: 0.85rem 1rem;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.5rem 0.75rem;
    min-height: 3.75rem;
    border-bottom: 1px solid var(--kdc-border);
    background: rgba(0, 0, 0, 0.02);
}

.kdc-card-title {
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--kdc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 0;
    overflow: hidden;
}

.kdc-card-title > span:first-child,
#kdc-source-label,
#kdc-target-label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.kdc-detection-badge {
    font-size: 0.62rem;
    padding: 0.2rem 0.45rem;
    background: var(--kdc-secondary);
    color: white;
    border-radius: 4px;
    font-weight: 700;
    opacity: 0;
    flex-shrink: 0;
    transition: opacity 0.3s;
}

.kdc-detection-badge.visible {
    opacity: 1;
}

.kdc-card-actions {
    display: flex;
    gap: 0.35rem;
    flex-wrap: nowrap;
    justify-content: flex-end;
    align-items: center;
    flex-shrink: 0;
}

.kdc-btn-icon {
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid var(--kdc-border);
    color: var(--kdc-text-muted);
    width: 38px;
    height: 38px;
    min-width: 38px;
    min-height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s, border-color 0.2s, transform 0.2s;
    flex-shrink: 0;
}

@media (hover: hover) {
    .kdc-btn-icon:hover {
        background: var(--kdc-primary);
        color: white;
        border-color: var(--kdc-primary);
        transform: translateY(-2px);
    }
}

.kdc-btn-icon:active {
    transform: scale(0.96);
    background: var(--kdc-primary);
    color: white;
}

.kdc-textarea-wrapper {
    flex-grow: 1;
    position: relative;
    background: #faf8f5; /* Premium off-white contrast background */
    transition: all 0.3s ease;
}

.kdc-textarea-wrapper:focus-within {
    background: #ffffff; /* Bright white when active */
}

.kdc-textarea-wrapper textarea {
    width: 100%;
    height: 100%;
    background: transparent;
    border: none;
    color: var(--kdc-text);
    padding: 1.25rem 1.5rem;
    font-size: 0.95rem; /* Smaller font-size for better readability */
    line-height: 1.6;
    resize: none;
    outline: none;
    transition: all 0.3s;
}

#kdc-source-input.font-krutidev {
    font-family: 'KrutiDev010', sans-serif !important;
}

#kdc-source-input.font-unicode {
    font-family: 'Noto Sans Devanagari', sans-serif !important;
}

#kdc-target-output.font-unicode {
    font-family: 'Noto Sans Devanagari', sans-serif !important;
}

#kdc-target-output.font-krutidev {
    font-family: 'KrutiDev010', sans-serif !important;
}

.kdc-textarea-wrapper textarea::placeholder {
    font-family: 'Inter', sans-serif;
    color: rgba(148, 163, 184, 0.3);
}

.kdc-card-footer {
    padding: 1rem 1.5rem;
    background: rgba(0, 0, 0, 0.015);
    border-top: 1px solid var(--kdc-border);
}

.kdc-stats {
    font-size: 0.75rem;
    color: var(--kdc-text-muted);
    font-weight: 500;
}

.kdc-divider {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    align-self: center;
    padding: 0;
}

.kdc-convert-btn {
    background: linear-gradient(135deg, var(--kdc-primary) 0%, #CC5500 100%);
    color: white;
    border: none;
    padding: 0.55rem 1.5rem; /* Compact padding for the controls bar */
    border-radius: 12px; /* Premium smooth border radius */
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(255, 102, 0, 0.2);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.kdc-convert-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 102, 0, 0.4);
}

.kdc-convert-btn:active {
    transform: translateY(0);
}

.kdc-swap-btn {
    background: var(--kdc-primary);
    color: white;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 4px solid var(--kdc-bg);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 0 20px rgba(255, 153, 51, 0.4);
    z-index: 10;
    transform: rotate(0deg); /* Left-right arrows on desktop side-by-side */
}

.kdc-swap-btn:hover {
    transform: rotate(180deg) scale(1.1);
    box-shadow: 0 0 30px rgba(255, 153, 51, 0.6);
}

.kdc-history-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--kdc-border);
}

.kdc-history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.kdc-history-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    color: var(--kdc-text);
}

.kdc-btn-text {
    background: transparent;
    border: none;
    color: var(--kdc-text-muted);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: color 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.5rem;
}

.kdc-btn-text:hover {
    color: var(--kdc-primary);
}

.kdc-history-list {
    display: grid;
    gap: 1rem;
}

.kdc-history-item {
    background: rgba(0, 0, 0, 0.01);
    border: 1px solid var(--kdc-border);
    padding: 0;
    border-radius: 12px;
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    gap: 0;
    transition: background 0.2s, border-color 0.2s;
    overflow: hidden;
}

.kdc-history-restore {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
    padding: 1rem 1.25rem;
    background: transparent;
    border: none;
    text-align: left;
    cursor: pointer;
    min-width: 0;
}

.kdc-history-restore:hover {
    background: rgba(255, 102, 0, 0.04);
}

.kdc-history-meta {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex-wrap: wrap;
}

.kdc-history-mode {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--kdc-primary);
    background: rgba(255, 102, 0, 0.1);
    padding: 0.2rem 0.55rem;
    border-radius: 99px;
}

.kdc-history-time {
    font-size: 0.75rem;
    color: var(--kdc-text-muted);
    font-weight: 500;
}

.kdc-history-preview {
    font-size: 0.92rem;
    color: var(--kdc-text);
    line-height: 1.45;
    word-break: break-word;
    font-family: 'Noto Sans Devanagari', sans-serif;
}

.kdc-history-delete {
    flex-shrink: 0;
    width: 44px;
    border: none;
    border-left: 1px solid var(--kdc-border);
    background: transparent;
    color: var(--kdc-text-muted);
    font-size: 1.35rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.kdc-history-delete:hover {
    background: rgba(220, 38, 38, 0.08);
    color: #dc2626;
}

.kdc-history-item:hover {
    background: rgba(0, 0, 0, 0.025);
    border-color: var(--kdc-primary);
}

.kdc-history-empty {
    color: var(--kdc-text-muted);
    font-style: italic;
    text-align: center;
    padding: 2rem;
    background: rgba(0, 0, 0, 0.015);
    border-radius: 12px;
    border: 1px dashed var(--kdc-border);
}

.kdc-ads-placeholder {
    margin-top: 3rem;
    min-height: 120px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.01) 0%, rgba(255, 255, 255, 0.03) 100%);
    border: 1px dashed rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--kdc-text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Mobile Responsiveness */
@media (max-width: 991px) {

    .kdc-title {
        font-size: 2.25rem;
    }
}

/* Responsive adjustments for mobile and tablet */
@media (max-width: 768px) {
    .kdc-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }

    .kdc-warning-box {
        width: 100%;
        order: 3;
    }

    .kdc-main-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .kdc-card {
        min-height: clamp(240px, 38vh, 380px);
    }

    .kdc-textarea-wrapper textarea {
        font-size: 16px;
    }

    .kdc-divider {
        flex-direction: row;
        padding: 1rem 0;
    }

    .kdc-swap-btn {
        transform: rotate(90deg);
    }

    @media (hover: hover) {
        .kdc-swap-btn:hover {
            transform: rotate(270deg) scale(1.1);
        }
    }

    .kdc-card-header {
        min-height: 3.5rem;
        padding: 0.75rem 0.85rem;
    }

    .kdc-card-title {
        font-size: 0.72rem;
    }

    .kdc-btn-icon {
        width: 36px;
        height: 36px;
        min-width: 36px;
        min-height: 36px;
    }
}

@media (max-width: 480px) {
    .kdc-app-container {
        padding: 0;
        margin: 0;
    }

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

    .kdc-action-btn {
        width: 100%;
        justify-content: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    .kdc-card {
        animation: none;
    }
}

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

.kdc-card {
    animation: fadeIn 0.6s ease-out forwards;
}

/* Reverse Converter CTA Banner */
.kdc-cta-banner {
    background: rgba(255, 102, 0, 0.03);
    border: 1px dashed var(--kdc-border);
    border-radius: 16px;
    padding: 1.25rem;
    text-align: center;
    margin: 2.5rem 0 1.5rem 0;
    transition: all 0.3s ease;
}

.kdc-cta-banner:hover {
    border-color: var(--kdc-primary);
    background: rgba(255, 102, 0, 0.05);
    box-shadow: 0 0 15px rgba(255, 102, 0, 0.05);
}

.kdc-cta-banner p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--kdc-text-muted);
}

.kdc-cta-banner a {
    color: var(--kdc-primary);
    font-weight: 700;
    text-decoration: underline;
    transition: all 0.2s ease;
}

.kdc-cta-banner a:hover {
    color: #e05300;
}

/* Quick Sharing and Document Actions */
.kdc-share-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 1.5rem 0 2rem 0;
    justify-content: flex-start;
}

.kdc-action-btn {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    font-size: 0.92rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.kdc-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
}

.kdc-btn-whatsapp {
    background-color: #25d366;
}

.kdc-btn-whatsapp:hover {
    background-color: #20ba5a;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.25);
}

.kdc-btn-gmail {
    background-color: #ea580c;
}

.kdc-btn-gmail:hover {
    background-color: #d94e06;
    box-shadow: 0 4px 15px rgba(234, 88, 12, 0.25);
}

.kdc-btn-word {
    background-color: #ea580c;
}

.kdc-btn-word:hover {
    background-color: #d94e06;
    box-shadow: 0 4px 15px rgba(234, 88, 12, 0.25);
}

.kdc-btn-copy {
    background-color: #ea580c;
}

.kdc-btn-copy:hover {
    background-color: #d94e06;
    box-shadow: 0 4px 15px rgba(234, 88, 12, 0.25);
}

@media (max-width: 600px) {
    .kdc-share-row {
        flex-direction: column;
    }
    .kdc-action-btn {
        width: 100%;
        justify-content: center;
    }
}

/* Inline toast notifications */
.kdc-toast-container {
    position: fixed;
    bottom: max(1.25rem, env(safe-area-inset-bottom));
    right: max(1.25rem, env(safe-area-inset-right));
    z-index: 100000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: min(420px, calc(100vw - 2rem));
    pointer-events: none;
}

.kdc-toast {
    background: #0f172a;
    color: #fff;
    padding: 0.85rem 1.1rem;
    border-radius: 10px;
    font-size: 0.9rem;
    line-height: 1.45;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.25);
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: auto;
}

.kdc-toast--visible {
    opacity: 1;
    transform: translateY(0);
}

.kdc-toast--warning {
    background: #b45309;
}

.kdc-toast--error {
    background: #dc2626;
}

.kdc-toast--success {
    background: #059669;
}