/*
========================================
BASE STYLES & GLOBAL TOKENS
========================================
*/
:root {
    /* Base Tokens */
    --shadow-elevation-1: 0px 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-elevation-2: 0px 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-elevation-5: 0px 8px 10px rgba(0, 0, 0, 0.14), 0px 3px 14px rgba(0, 0, 0, 0.12), 0px 5px 5px rgba(0, 0, 0, 0.2);
    --shape-small: 4px;
    --shape-medium: 8px;
    --shape-large: 12px;
    --font-family: 'Atkinson Hyperlegible', sans-serif;
    --type-headline-small: 24px;
    --type-title-large: 18px;
    --type-body-large: 16px;
    --type-body-medium: 14px;
    --type-label-medium: 12px;

    /* Prompter UI Colors */
    --prompter-ui-light-bg: rgba(255, 255, 255, 0.85);
    --prompter-ui-light-on-bg: #1C1B1F;
    --prompter-ui-dark-bg: rgba(28, 27, 31, 0.85);
    --prompter-ui-dark-on-bg: #E3E3E3;
}

/* Override shadows for all dark themes */
[data-theme$="-dark"] {
    --shadow-elevation-1: 0px 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-elevation-2: 0px 2px 4px rgba(0, 0, 0, 0.4);
    --shadow-elevation-5: 0px 8px 10px rgba(0, 0, 0, 0.5), 0px 3px 14px rgba(0, 0, 0, 0.4), 0px 5px 5px rgba(0, 0, 0, 0.6);
}


/*
========================================
FOUNDATION & GLOBAL STYLES
========================================
*/
body,
html {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: auto;
}

body {
    font-family: var(--font-family);
    background-color: var(--m3-color-background);
    color: var(--m3-color-on-surface);
    transition: background-color 150ms ease-in-out, color 150ms ease-in-out;
}

* {
    box-sizing: border-box;
    scrollbar-color: var(--m3-color-primary) transparent;
    scrollbar-width: thin;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--m3-color-primary);
    border-radius: 4px;
}

/*
========================================
LAYOUT & TYPOGRAPHY
========================================
*/
#setup-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    height: auto;
    padding: 0 24px 0 24px;
    scrollbar-gutter: stable;
}

.top-bar {
    width: 100%;
    max-width: 800px;
    padding: 16px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

h1 {
    font-size: var(--type-headline-small);
    font-weight: 600;
    margin: 0;
    cursor: default;
}

h2 {
    font-size: var(--type-title-large);
    font-weight: 600;
    margin: 0;
    cursor: default;
}

.card {
    width: 100%;
    max-width: 800px;
    margin-bottom: 16px;
    background-color: var(--m3-color-surface);
    padding: var(--shape-large);
    border-radius: var(--shape-large);
    box-shadow: var(--shadow-elevation-1);
    transition: background-color 150ms ease-in-out, box-shadow 150ms ease-in-out;
}

/*
========================================
FORMS & INPUTS
========================================
*/
.text-field textarea,
.text-field input {
    font-family: var(--font-family);
    font-size: var(--type-body-large);
    width: 100%;
    padding: 12px;
    background-color: var(--m3-color-surface-variant);
    border-radius: var(--shape-small);
    border: 0;
    transition: background-color 150ms ease-in-out, color 150ms ease-in-out;
    color: var(--m3-color-on-surface);
}

.text-field textarea:focus,
.text-field input:focus {
    outline: 2px solid var(--m3-color-primary);
    background-color: var(--m3-color-surface);
}

.main-script-card {
    height: 40vh;
    min-height: 250px;
    display: flex;
    flex-direction: column;
    gap: var(--shape-large);
}

.main-script-card .text-field {
    flex-grow: 1;
}

.main-script-card textarea {
    height: 100%;
    resize: none;
}

.switch-container {
    margin: auto 0 auto 0;
    display: inline-block;
    cursor: pointer;
    align-self: flex-start;
    /* FIX: Prevents the label from stretching to full width */
}

.switch {
    width: 52px;
    height: 32px;
    -webkit-appearance: none;
    appearance: none;
    background-color: var(--m3-color-outline);
    border-radius: 16px;
    position: relative;
    transition: background-color 150ms ease-in-out;
    margin: 0;
    display: block;
    cursor: pointer;
}

/* FIX: Applies focus ring directly to the switch, not the container */
.switch:focus-visible {
    outline: 2px solid var(--m3-color-primary);
    outline-offset: 2px;
}


.switch:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.switch::before {
    content: "";
    height: 24px;
    width: 24px;
    position: absolute;
    left: 4px;
    top: 4px;
    background-color: var(--m3-color-surface);
    border-radius: 50%;
    transition: transform 150ms ease-in-out, background-color 150ms ease-in-out;
}

.switch:checked {
    background-color: var(--m3-color-primary);
}

.switch:checked::before {
    transform: translateX(20px);
    background-color: var(--m3-color-on-primary);
}

input[type=number] {
    appearance: textfield;
    -moz-appearance: textfield;
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/*
========================================
CUSTOM DROPDOWN (THEME PICKER)
========================================
*/
.custom-select-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
}

.custom-select-trigger {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 12px;
    background-color: var(--m3-color-surface-variant);
    border-radius: var(--shape-small);
    border: 1px solid transparent;
    color: var(--m3-color-on-surface);
    cursor: pointer;
    transition: all 150ms ease-in-out;
    font-size: var(--type-body-large);
}

.custom-select-trigger:focus-visible {
    outline: 2px solid var(--m3-color-primary);
    outline-offset: 2px;
}

.custom-select-wrapper.open .custom-select-trigger {
    border-color: var(--m3-color-primary);
    background-color: var(--m3-color-surface);
}

.custom-select-arrow {
    width: 20px;
    height: 20px;
    fill: var(--m3-color-on-surface-variant);
    transition: transform 150ms ease-in-out;
}

.custom-select-wrapper.open .custom-select-arrow {
    transform: rotate(180deg);
}

.custom-select-options {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    width: 100%;
    list-style: none;
    padding: 4px;
    margin: 0;
    background-color: var(--m3-color-surface);
    border-radius: var(--shape-medium);
    box-shadow: var(--shadow-elevation-2);
    z-index: 50;
    max-height: 200px;
    overflow-y: auto;
    box-sizing: border-box;
}

.custom-select-wrapper.open .custom-select-options {
    display: block;
}

.custom-select-options li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    cursor: pointer;
    border-radius: var(--shape-small);
    color: var(--m3-color-on-surface);
    font-size: var(--type-body-large);
    transition: background-color 150ms ease-in-out;
}

.custom-select-options li:hover,
.custom-select-options li:focus {
    background-color: var(--m3-color-surface-variant);
    outline: none;
}

.custom-select-options li svg {
    width: 18px;
    height: 18px;
    fill: var(--m3-color-on-surface-variant);
}

.custom-select-options li.selected {
    font-weight: bold;
    color: var(--m3-color-primary);
}

.custom-select-options li.selected svg {
    fill: var(--m3-color-primary);
}

/*
========================================
CONTROL CARDS LAYOUT
========================================
*/
#pacing-controls-card,
#font-layout-card,
#theme-appearance-card {
    display: flex;
    flex-wrap: wrap;
    gap: var(--shape-large);
}

.control-group {
    flex: 1;
    min-width: 140px;
    display: flex;
    flex-direction: column;
    gap: var(--shape-large);
}

.control-group .card-title {
    white-space: nowrap;
    margin-bottom: 0;
    font-size: var(--type-body-large);
}

.pacing-fields-container,
.pacing-input-group,
.single-button-container {
    margin: auto 0 auto 0;
    display: flex;
    align-items: center;
}

.pacing-fields-container {
    display: flex;
    gap: 16px;
}

.pacing-input-group {
    display: flex;
    align-items: center;
    gap: var(--shape-medium);
}

.pacing-input-group .text-field {
    max-width: 80px;
}

.text-field input {
    min-width: 70px;
}

.pacing-label {
    font-family: monospace;
    font-weight: 500;
    color: var(--m3-color-on-surface-variant);
    transition: color 150ms ease-in-out;
}


/*
========================================
BUTTONS & ICONS
========================================
*/
svg {
    transition: fill 150ms ease-in-out;
}

.icon-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: transparent;
    border: 0;
    border-radius: 50%;
    cursor: pointer;
    transition: background-color 150ms ease-in-out;
}

.icon-button:hover {
    background-color: var(--m3-color-surface-variant);
}

.icon-button:focus-visible {
    outline: 2px solid var(--m3-color-primary);
    outline-offset: 2px;
}

.icon-button:disabled {
    opacity: 0.38;
    cursor: not-allowed;
    background-color: transparent;
}


.icon-button svg,
.switch-container svg {
    width: 24px;
    height: 24px;
}

.fab-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 10;
}

.fab {
    width: 56px;
    height: 56px;
    background-color: var(--m3-color-primary);
    border: none;
    border-radius: 16px;
    box-shadow: var(--shadow-elevation-2);
    cursor: pointer;
    display: grid;
    place-items: center;
    transition: background-color 150ms ease-in-out, box-shadow 150ms ease-in-out;
}

.fab:hover {
    box-shadow: var(--shadow-elevation-5);
}

.fab:focus-visible {
    outline: 3px solid var(--m3-color-on-primary);
    outline-offset: 3px;
}

.fab svg {
    width: 28px;
    height: 28px;
}

.icon-button svg,
.switch-container svg {
    fill: var(--m3-color-on-surface-variant);
}

.fab svg {
    fill: var(--m3-color-on-primary);
}

.prompter-ui .icon-button svg {
    fill: var(--prompter-ui-on-background);
}


#dark-mode-icon,
#pause-icon,
#play-icon {
    display: none;
}

/*
========================================
PREVIEW
========================================
*/
.preview-card {
    height: 35vh;
    min-height: 250px;
    display: flex;
    flex-direction: column;
    gap: var(--shape-large);
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.preview-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

#preview-scroll-btn {
    width: 32px;
    height: 32px;
}

#preview-scroll-btn svg {
    width: 20px;
    height: 20px;
}

#total-time-preview {
    font-family: monospace;
    font-weight: bold;
    color: var(--m3-color-primary);
    background-color: var(--m3-color-surface-variant);
    padding: 4px 8px;
    border-radius: var(--shape-small);
    transition: background-color 150ms ease-in-out, color 150ms ease-in-out;
}

#text-preview {
    background-color: var(--m3-color-background);
    border-radius: var(--shape-medium);
    padding: 16px;
    flex-grow: 1;
    font-weight: bold;
    color: var(--m3-color-on-surface);
    line-height: 1.5;
    word-wrap: break-word;
    overflow: hidden;
    position: relative;
    user-select: none;
    font-size: 60px;
    white-space: pre-line;
    transition: background-color 150ms ease-in-out, color 150ms ease-in-out;
}

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

#text-preview.text-align-left {
    text-align: left;
}


#text-preview::-webkit-scrollbar {
    display: none;
}

#text-preview {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

#text-preview.mirrored {
    transform: scaleX(-1);
}

/*
========================================
TELEPROMPTER SCREEN
========================================
*/
#teleprompter-display {
    display: none;
    position: fixed;
    inset: 0;
    background-color: var(--m3-color-background);
    color: var(--m3-color-on-surface);
    overflow-y: auto;
    scrollbar-gutter: stable;
    transition: background-color 150ms ease-in-out, color 150ms ease-in-out;
}

#teleprompter-display.cursor-hidden {
    cursor: none;
}

#teleprompter-content {
    position: relative;
    padding: 50vh 0;
}

#script-text-wrapper {
    padding: 0 10vw;
    line-height: 1.6;
    font-weight: 700;
    user-select: none;
    white-space: pre-line;
}

#script-text-wrapper.text-align-center {
    text-align: center;
}

#script-text-wrapper.text-align-left {
    text-align: left;
}


#teleprompter-display.mirrored #script-text-wrapper {
    transform: scaleX(-1);
}

#teleprompter-display::-webkit-scrollbar-thumb {
    background: transparent;
}

#teleprompter-display {
    scrollbar-color: transparent transparent;
}

#teleprompter-display.is-paused::-webkit-scrollbar-thumb {
    background: var(--m3-color-primary);
}

#teleprompter-display.is-paused {
    scrollbar-color: var(--m3-color-primary) transparent;
}

#teleprompter-content::before {
    content: '';
    position: sticky;
    top: 50%;
    left: 10%;
    width: 80%;
    display: block;
    height: 3px;
    background-color: var(--m3-color-error);
    transform: translateY(-50%);
    z-index: 10;
}

.prompter-ui {
    position: fixed;
    z-index: 20;
    opacity: 1;
    transition: opacity 250ms cubic-bezier(0.4, 0, 0.2, 1), transform 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.prompter-ui.ui-hidden {
    opacity: 0;
    pointer-events: none;
}

#close-btn {
    top: 16px;
    right: 16px;
    transform: translateY(0);
}

#close-btn.ui-hidden {
    transform: translateY(calc(-100% - 16px));
}

#prompter-controls {
    bottom: 20px;
    left: 50%;
    background-color: var(--prompter-ui-background);
    backdrop-filter: blur(10px);
    border-radius: 99px;
    display: flex;
    gap: 8px;
    align-items: center;
    padding: 8px;
    box-shadow: var(--shadow-elevation-2);
    transform: translateX(-50%) translateY(0);
    transition: background-color 150ms ease-in-out, opacity 250ms cubic-bezier(0.4, 0, 0.2, 1), transform 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Set Prompter UI colors based on prompter's effective mode */
#teleprompter-display[data-prompter-mode="light"] {
    --prompter-ui-background: var(--prompter-ui-light-bg);
    --prompter-ui-on-background: var(--prompter-ui-light-on-bg);
}

#teleprompter-display[data-prompter-mode="dark"] {
    --prompter-ui-background: var(--prompter-ui-dark-bg);
    --prompter-ui-on-background: var(--prompter-ui-dark-on-bg);
}


#prompter-controls.ui-hidden {
    transform: translateX(-50%) translateY(calc(100% + 20px));
}

#return-btn {
    display: none;
}

#time-remaining {
    font-family: monospace;
    font-size: 18px;
    font-weight: 500;
    color: var(--prompter-ui-on-background);
    padding: 0 16px 0 8px;
    user-select: none;
    transition: color 150ms ease-in-out;
}

#pause-indicator {
    display: none;
    position: absolute;
    left: 10%;
    width: 80%;
    height: 3px;
    background-color: var(--m3-color-primary);
    z-index: 5;
    transition: background-color 150ms ease-in-out;
}

/*
========================================
SEO CONTENT & FOOTER
========================================
*/
.content-wrapper {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 24px;
}

.intro-section h1,
.intro-section h2 {
    cursor: default;
    color: var(--m3-color-primary);
}

.intro-section p,
.intro-section li {
    font-size: var(--type-body-large);
    line-height: 1.6;
    color: var(--m3-color-on-surface-variant);
}

.intro-section ul {
    padding-left: 20px;
}

.site-footer.card {
    margin: 0 auto 24px auto;
    padding: 16px 24px;
    text-align: center;
    font-size: var(--type-body-medium);
    color: var(--m3-color-on-surface-variant);
}