/**
 * Shipping Label Generator - App-Specific Styles
 * Styles unique to the shipping label generator application
 */

/* =========================
   MAIN LAYOUT
   ========================= */
.container {
    width: min(95%, 1200px);
    background-color: var(--chainable-background-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    position: relative;
    padding: 0;
    margin-top: 0;
}

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    background-color: var(--chainable-background-color);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-top: 0;
    margin-bottom: 0;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    border-bottom: var(--border-width-thin) solid var(--border-color);
}

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

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

header h1 {
    text-align: left;
    margin: 0;
    padding: 0;
}

.main-layout {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background-color: var(--chainable-background-color);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* =========================
   FORM SECTION
   ========================= */
.form-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.input-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    flex-grow: 1;
}

.options-row,
.settings-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.input-group {
    display: flex;
    flex-direction: column;
    position: relative;
    gap: var(--spacing-xs);
}

.label-with-presets {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
}

.preset-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.input-group .preset-dropdown {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
    border: var(--border-width-thin) solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--input-background-color);
    color: var(--input-text-color);
    min-width: 140px;
    max-width: 180px;
}

.preset-btn {
    width: 24px;
    height: 24px;
    padding: 0;
    border: none;
    border-radius: var(--radius-md);
    background-color: var(--primary-color);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.preset-btn i {
    font-size: 10px;
}

.preset-btn:hover {
    transform: scale(1.1);
    filter: brightness(1.1);
}

.input-group label {
    font-weight: var(--font-weight-semibold);
    display: flex;
    align-items: center;
    font-size: var(--font-size-sm);
    color: var(--text-color);
}

.input-group label i {
    margin-right: var(--spacing-sm);
}

.input-group textarea,
.input-group input[type="text"],
.input-group select {
    padding: var(--spacing-sm);
    background-color: var(--input-background-color);
    color: var(--input-text-color);
    border: var(--border-width-medium) solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    box-sizing: border-box;
    font-size: var(--font-size-base);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.input-group textarea {
    resize: vertical;
    min-height: 100px;
    line-height: 1.3;
}

.input-group textarea:focus,
.input-group input[type="text"]:focus,
.input-group select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: var(--focus-glow);
}

/* =========================
   DROP AREA
   ========================= */
.drop-area {
    border: var(--border-width-medium) dashed var(--border-color);
    text-align: center;
    background-color: var(--input-background-color);
    color: var(--input-text-color);
    cursor: pointer;
    position: relative;
    transition: var(--transition-all);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    min-height: 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.drop-area.compact {
    padding: var(--spacing-xs);
    height: var(--input-height);
    min-height: auto;
    box-sizing: border-box;
}

.drop-area.compact p {
    margin: var(--spacing-xs) 0;
    font-size: var(--font-size-base);
}

.drop-area.highlight {
    border-color: var(--primary-color);
    background-color: var(--primary-alpha-10);
    transform: scale(1.02);
}

.drop-area:hover {
    border-color: var(--primary-color);
    background-color: var(--primary-alpha-5);
    transform: translateY(-1px);
}

.drop-area input[type="file"] {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    left: 0;
    top: 0;
    cursor: pointer;
}

/* =========================
   ACTION BUTTONS
   ========================= */
.action-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    padding-top: var(--spacing-md);
    border-top: var(--border-width-thin) solid var(--border-color);
}

.icon-btn {
    width: var(--input-height-lg);
    height: var(--input-height-lg);
    border: none;
    border-radius: var(--radius-circle);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    color: white;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    position: relative;
}

.icon-btn:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-lg);
    filter: brightness(1.1);
}

.icon-btn:active {
    transform: translateY(0) scale(0.98);
    box-shadow: var(--shadow-sm);
}

.icon-btn::after {
    content: attr(title);
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
    z-index: var(--z-tooltip);
}

.icon-btn:hover::after {
    opacity: 1;
}

.btn-reset {
    background-color: #6c757d;
}

.btn-new {
    background-color: var(--primary-color);
}

.btn-rotate {
    background-color: #fd7e14;
    cursor: pointer;
}

.btn-rotate i {
    transition: transform var(--transition-slow);
}

.btn-rotate:hover i {
    transform: rotate(180deg);
}

.btn-print {
    background-color: #6f42c1;
}

.btn-generate {
    background-color: #0dc459;
}

/* =========================
   PREVIEW SECTION
   ========================= */
.preview-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.preview-wrapper {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
}

.preview-badge {
    position: absolute;
    top: 50%;
    left: calc(50% - 2in - 24px);
    transform: translateY(-50%) rotate(-90deg);
    transform-origin: center center;
    background-color: rgba(0, 0, 0, 0.7);
    color: #ffffff;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    padding: 4px var(--spacing-sm);
    border-radius: var(--radius-md);
    border: none;
    z-index: var(--z-base);
    white-space: nowrap;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.preview-wrapper:hover .preview-badge {
    opacity: 1;
}

#previewPane {
    max-width: 100%;
    border: var(--border-width-medium) solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    background-color: white;
    position: relative;
    overflow: hidden;
}

.logo-overlay {
    position: absolute;
    top: var(--spacing-md);
    right: calc(50% - 2in + var(--spacing-md));
    width: 40px;
    height: 40px;
    min-height: auto;
    border: var(--border-width-medium) dashed var(--border-color);
    border-radius: var(--radius-md);
    background-color: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: background-color var(--transition-base), border-color var(--transition-base);
    z-index: var(--z-base);
    transform: none;
}

.logo-overlay i {
    font-size: var(--font-size-lg);
    color: var(--border-color);
    transition: color var(--transition-base);
}

.logo-overlay:hover {
    background-color: var(--primary-alpha-10);
    border-color: var(--primary-color);
    transform: none;
}

.logo-overlay:hover i {
    color: var(--primary-color);
}

.logo-overlay.highlight {
    background-color: var(--primary-alpha-10);
    border-color: var(--primary-color);
    transform: none;
}

/* Hide logo overlay when logo is present, show on hover */
.preview-wrapper.has-logo .logo-overlay {
    opacity: 0;
    pointer-events: none;
}

.preview-wrapper.has-logo:hover .logo-overlay {
    opacity: 1;
    pointer-events: auto;
}

.label-content {
    width: 100%;
    height: 100%;
    position: relative;
    padding: var(--spacing-md);
    box-sizing: border-box;
}

.from-address {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    text-align: left;
    max-width: 40%;
    color: #000000;
}

.from-address strong,
.from-address span {
    color: #000000;
}

.to-address {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    max-width: 80%;
    color: #000000;
}

.to-address strong,
.to-address span {
    color: #000000;
}

.reference-text {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    max-width: 80%;
    color: #000000;
    line-height: 1.1;
}

.reference-text strong,
.reference-text span {
    color: #000000;
}

.company-logo {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    max-width: 100px;
    max-height: 100px;
    object-fit: contain;
}

#labelCanvas {
    max-width: 100%;
    border: var(--border-width-medium) solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    background-color: white;
}

/* =========================
   MODALS
   ========================= */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-modal);
    display: none;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1;
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--lighter-background-color);
    border: 1px solid var(--input-border-color);
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow: hidden;
    z-index: 2;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    border-bottom: 1px solid var(--input-border-color);
    background: var(--input-background-color);
}

.modal-header h2 {
    margin: 0;
    color: var(--text-color);
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: background-color 0.15s ease, color 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background-color: var(--button-background-color);
    color: var(--button-text-color);
}

.modal-body {
    padding: 16px 20px;
    overflow-y: auto;
    max-height: calc(80vh - 100px);
    color: var(--text-color);
}

.modal-body p {
    margin: 0 0 var(--spacing-md) 0;
}

.modal-footer {
    padding: 10px 20px;
    border-top: 1px solid var(--input-border-color);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    background: var(--input-background-color);
}

.chain-name-cancel-btn {
    background-color: var(--button-background-color);
    color: var(--button-text-color);
    border: 1px solid var(--input-border-color);
    padding: 8px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.chain-name-cancel-btn:hover {
    background-color: var(--button-hover-background-color);
    border-color: var(--primary-color);
}

.chain-name-save-btn {
    background-color: var(--primary-color);
    color: var(--button-text-color);
    border: none;
    padding: 8px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.15s ease, opacity 0.15s ease;
}

.chain-name-save-btn:hover:not(:disabled) {
    background-color: var(--primary-hover-color);
}

.chain-name-save-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.chain-name-save-btn.btn-danger {
    background-color: var(--error-color);
}

.chain-name-save-btn.btn-danger:hover:not(:disabled) {
    background-color: var(--danger-color);
}

.chain-name-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 6px;
    display: block;
}

.chain-name-input {
    width: 100%;
    padding: 8px 12px;
    border: 2px solid var(--input-border-color);
    border-radius: 6px;
    background-color: var(--input-background-color);
    color: var(--input-text-color);
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-sizing: border-box;
}

.chain-name-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: var(--focus-glow);
}

.preset-preview {
    background-color: var(--input-background-color);
    border: var(--border-width-thin) solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.preset-preview-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    color: var(--text-color);
}

.preset-preview-item i {
    color: var(--primary-color);
}

#presetsList {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.preset-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background-color: var(--input-background-color);
    border: var(--border-width-thin) solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.preset-item.clickable {
    cursor: pointer;
}

.preset-item.clickable:hover {
    background-color: var(--primary-alpha-10);
    border-color: var(--primary-color);
    transform: translateX(4px);
}

.preset-info {
    flex: 1;
}

.preset-name {
    font-weight: var(--font-weight-semibold);
    color: var(--text-color);
    font-size: var(--font-size-base);
}

.preset-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.preset-action-btn {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    color: white;
}

.preset-action-btn:hover {
    transform: scale(1.1);
    filter: brightness(1.1);
}

.preset-action-btn.delete {
    background-color: #dc3545;
}

.no-presets {
    text-align: center;
    color: var(--muted-text-color);
    padding: var(--spacing-lg);
    font-style: italic;
}

/* =========================
   RANGE SLIDER
   ========================= */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--input-border-color);
    outline: none;
    transition: background var(--transition-base);
}

input[type="range"]:hover {
    background: var(--border-color);
}

/* Webkit (Chrome, Safari, Edge) - Thumb */
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: var(--radius-circle);
    background: var(--primary-color);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

input[type="range"]::-webkit-slider-thumb:hover {
    background: var(--primary-hover-color);
    transform: scale(1.15);
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.3);
}

input[type="range"]::-webkit-slider-thumb:active {
    transform: scale(1.05);
}

/* Firefox - Thumb */
input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border: none;
    border-radius: var(--radius-circle);
    background: var(--primary-color);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

input[type="range"]::-moz-range-thumb:hover {
    background: var(--primary-hover-color);
    transform: scale(1.15);
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.3);
}

input[type="range"]::-moz-range-thumb:active {
    transform: scale(1.05);
}

/* Firefox - Track */
input[type="range"]::-moz-range-track {
    height: 6px;
    border-radius: 3px;
    background: var(--input-border-color);
    border: none;
}

/* IE/Edge - Thumb */
input[type="range"]::-ms-thumb {
    width: 18px;
    height: 18px;
    border: none;
    border-radius: var(--radius-circle);
    background: var(--primary-color);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

input[type="range"]::-ms-thumb:hover {
    background: var(--primary-hover-color);
    transform: scale(1.15);
}

/* IE/Edge - Track */
input[type="range"]::-ms-track {
    height: 6px;
    border-radius: 3px;
    background: var(--input-border-color);
    border: none;
    color: transparent;
}

input[type="range"]::-ms-fill-lower {
    background: var(--primary-color);
    border-radius: 3px;
}

input[type="range"]::-ms-fill-upper {
    background: var(--input-border-color);
    border-radius: 3px;
}

/* Focus state */
input[type="range"]:focus {
    outline: none;
}

input[type="range"]:focus::-webkit-slider-thumb {
    box-shadow: 0 0 0 3px var(--primary-alpha-30);
}

input[type="range"]:focus::-moz-range-thumb {
    box-shadow: 0 0 0 3px var(--primary-alpha-30);
}

input[type="range"]:focus::-ms-thumb {
    box-shadow: 0 0 0 3px var(--primary-alpha-30);
}

/* =========================
   RESPONSIVE
   ========================= */
@media (max-width: 768px) {
    .main-layout {
        flex-direction: column;
    }

    .options-row,
    .settings-row {
        grid-template-columns: 1fr;
    }

    .drop-area {
        min-height: 60px;
        padding: var(--spacing-sm);
    }

    .modal-header h2 {
        font-size: 0.9rem;
    }
}