/* TO DO: complete and import mobile styles when screen width < 640px */

/* CSS variables */
:root {
    --color-nav-bg: #2c3e50;
    --color-text: rgb(246, 247, 248);
    --color-text-secondary: rgb(138, 150, 163);
    --color-nav-text: var(--color-text);
    --color-nav-hover: #0091ea;
    --color-main-bg: rgb(22, 22, 24);
    --color-primary: hsl(196, 100%, 47%);
    --color-primary-dark: hsl(203, 100%, 46%);
    --color-primary-darkest: hsl(199, 100%, 41%);
    --color-border: hsl(218, 7%, 22%);
    /* logo colors */
    --color-logo--light-left: hsl(196, 89%, 89%);
    --color-logo-light-right: hsl(0, 0%, 100%);
    --color-logo-dark-left: hsl(196, 100%, 47%);
    --color-logo-dark-right: hsl(199, 100%, 41%);
    --color-chat-bg: #1E1E1E;
    /* --color-chat-bg: #121212  alternative color */
    --color-chat-message-bg: #2E2E2E;
    /* --color-chat-message-bg: #3A3A3A alternative color */
    --color-chat-border: var(--color-border);
    /* red panda day (rpd prefix) */
    --rpd-color-primary: #1d4ed8;
    --rpd-color-quiz-correct: #15803d;
    --rpd-color-quiz-wrong: #b91c1c;
    /* sizes and spacing */
    --avatar-size: 100px;
    --icon-size: 24px;
    --emoji-size: 1em;
    --banner-height: clamp(180px, 10vh, 360px);
    --spacing-xs: 0.2rem;
    --spacing-s: 0.5rem;
    --spacing: 1rem;
    --spacing-l: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-emoji: 2px;
    --nav-item-padding-inline: var(--spacing);
    --nav-item-padding-block: 0.75rem;
    --nav-item-padding: var(--nav-item-padding-block) var(--nav-item-padding-inline);
    --border-radius: 8px;
    /* animations */
    --fade-opacity: 1;
    --zoom-in-function: cubic-bezier(0.4, 0, 0.2, 1);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

*:not(dialog) {
    margin: 0;
    padding: 0;
}

* {
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) var(--color-main-bg);
}

body {
    font-family: Roboto, sans-serif;
    background-color: var(--color-main-bg);
    color: var(--color-text);
    height: 100vh;
    overflow: hidden;
    /* Improve text rendering */
    -webkit-font-smoothing: antialiased;
}

/* Improve media defaults */
img,
picture,
video,
canvas,
svg {
    max-width: 100%;
}

#statuspanel {
    display: none !important;
}

/* Inherit fonts for form controls */
input,
button,
textarea,
select {
    font: inherit;
}

/* MISC UTILS */

[class*="flex-"] {
    display: flex;
}

.flex-row {
    flex-direction: row;
}

.flex-column {
    flex-direction: column;
}

.hidden {
    display: none !important;
}

.absolute, .absolute-centered {
    position: absolute;
}

.absolute-centered {
    margin: auto;
    inset: 0;
}

.fit-screen {
    max-height: 100vh;
    max-height: 100svh;
    max-width: 100vw;
    max-width: 100svw;
}

.fill-screen {
    height: 100vh;
    height: 100dvh;
    width: 100vw;
    width: 100dvw;
}

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

#timeleap {
    --fade-duration: 1.5s;
}

/* #timeleap-gif {
    --fade-duration: 0.6s;
} */

#timeleap-img {
    --fade-duration: 3.5s;
    --fade-opacity: 0.85;
    --zoom-duration: 3.5s;
    --delay: 0.5s;
}

.fade {
    opacity: 0;
    transition: opacity;
    transition-duration: var(--fade-duration, 0.5s);
}

.fade.visible {
    opacity: var(--fade-opacity, 1);
}

.zoom-in {
    height: 0;
    transition: height var(--zoom-in-function);
    transition-duration: var(--zoom-in-duration, 2s)
}

.zoom-in.zoomed {
    height: 100dvh;
}

.zoom-in.fade {
    height: 0;
    opacity: 0;
    transition: height var(--zoom-in-function), opacity;
    transition-duration: var(--zoom-duration, 3s), var(--fade-duration, 1.5s);
    transition-delay: var(--delay, 0.5s);
}

.zoom-in.fade.visible {
    height: 100dvh;
    opacity: var(--fade-opacity, 0.85);
}

.pulsating {
    animation: pulse var(--pulse-duration, 2s) infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

.z-high {
    z-index: 100;
}

.z-higher {
    z-index: 101;
}

.z-highest {
    z-index: 102;
}

/* custom behaviors */
a, [class*="-link"]:not([class*="-links"]), .link, .hashtag {
    text-decoration: none;
    color: var(--color-primary);
    cursor: pointer;
}

.strikethrough {
    text-decoration: line-through;
}

/* FONTS */
@font-face {
    font-family: "site-title";
    src: url("../fonts/Fuse-ExtraBold.ttf");
}

@font-face {
    font-family: "site-title2";
    src: url("../fonts/gardenia-extrabold.otf");
}

@font-face {
    font-family: "site-title-fancy-left";
    src: url("../fonts/kinetika-light.otf");
}

@font-face {
    font-family: "site-title-fancy-right";
    src: url("../fonts/Thirtylane-Script-Regular.otf");
}

@font-face {
    font-family: "site-title-fancy-right2";
    src: url("../fonts/Simple-Thread-Regular.otf");
}

/* Main container: flex row so nav can be hidden */
.app-container {
    height: 100vh;
    width: 100%;
}

.sidebar {
    flex: .2;
}

/* Navigation - hidden by default, shown when class 'visible' added */
.nav {
    color: var(--color-nav-text);
    padding: var(--spacing);
    gap: var(--spacing-s);
}

.nav > * {
    color: var(--color-nav-text);
    padding: var(--nav-item-padding);
    border-radius: var(--border-radius);
    transition: background 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav > *:hover {
    background-color: var(--color-nav-hover);
}

.nav > * img, .icon {
    height: var(--icon-size);
}

/* Main content - fills remaining space */
.main {
    overflow-y: auto;
    padding: var(--spacing);
    flex: 1;
}

.main > *:not(.home) {
    flex: 1;
}

.main, #splash-screen {
    background-color: var(--color-main-bg);
}

/* Home page specific: full screen, nav/sidebar hidden, main alone */
.home-page .sidebar {
    display: none;
}

.home {
    margin: auto;
}

.home-buttons, #worldline-change-modal-buttons {
    gap: var(--spacing-s);
}

:is(#worldline-change-modal-buttons, .home-buttons) .button {
    margin: auto;
    background: var(--color-primary);
    border-radius: 1000px;
    padding-inline: 1.2em;
    min-width: calc(8ch + 2em);
    text-align: center;
    padding-block: .4em;
    font-size: clamp(1rem, 1vw, 3rem);
}

:is(#worldline-change-modal-buttons, .home-buttons) .button:hover {
    background-color: var(--color-primary-dark);
}

/* Button-like */
.button, .clickable {
    cursor: pointer;
}

a.button {
    color: var(--color-text);
}

/* Title elements */
.site-title {
    font-family: "site-title2", Arial, sans-serif;
    font-size: clamp(4rem, 4vw, 12rem);
}

.site-title .left {
    color: var(--color-logo--light-left);
    margin-left: auto;
}

.site-title .right {
    color: var(--color-logo-light-right);
    margin-right: auto;
}

.site-title.dark .left {
    color: var(--color-logo-dark-left);
}

.site-title.dark .right {
    color: var(--color-logo-dark-right);
}

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

/* Floating chat widget */
.chat-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    font-family: inherit;
}

/* Minimized state (default) */
.chat-minimized {
    width: 60px;
    height: 60px;
    background-color: var(--color-primary-dark);
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    position: relative;
}

.chat-icon {
    font-size: 28px;
    color: white;
}

.chat-notification {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: red;
    color: white;
    border-radius: 50%;
    width: 22px;
    height: 22px;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
}

/* Expanded state (hidden by default) */
.chat-expanded {
    width: 320px;
    height: 400px;
    background-color: var(--color-chat-bg);
    border: 1px solid var(--color-chat-border);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.chat-expanded .chat-header {
    padding: var(--spacing);
    background-color: var(--color-primary-dark);
    justify-content: space-between;
    align-items: center;
    font-weight: bold;
}
.chat-close {
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    line-height: 1;
}

.chat-messages {
    flex: 1;
    padding: var(--spacing);
    overflow-y: auto;
    gap: var(--spacing-s);
}

.chat-message-img {
    border-radius: 50%;
    height: 48px;
    width: 48px;
}

.message {
    padding: var(--spacing-s) var(--spacing);
    border-radius: 18px;
    background-color: var(--color-primary-dark);
    max-width: 80%;
    word-wrap: break-word;
}

.message.bot {
    background-color: #3A3A3A;
    background-color: #2E2E2E;
    align-self: flex-start;
}

.chat-input-area {
    padding: var(--spacing);
    border-top: 1px solid var(--color-chat-border);
    gap: var(--spacing-s);
}

.chat-input-area input {
    flex: 1;
    padding: var(--spacing-s);
    border: 1px solid var(--color-chat-border);
    border-radius: 20px;
    outline: none;
}

.chat-input-area button {
    background-color: var(--color-primary-dark);
    color: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    font-size: 1.2rem;
}

/* When chat is expanded, hide minimized and show expanded */
.chat-widget.expanded .chat-minimized {
    display: none;
}

.chat-widget:not(.expanded) .chat-expanded {
    display: none;
}

/* Template hide */
template {
    display: none;
}

/* Profile banner & avatar overlay */
.profile-header {
    position: relative;
    margin-bottom: calc(var(--avatar-size) / 2 + var(--spacing));
}

.banner {
    width: 100%;
    height: var(--banner-height);
    object-fit: cover;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    display: block;
}

.avatar {
    position: absolute;
    bottom: calc(-1 * var(--avatar-size) / 2);
    left: var(--spacing);
    width: var(--avatar-size);
    height: var(--avatar-size);
}

.avatar, .profile-card img {
    object-fit: cover;
    border: 2px solid var(--color-main-bg);
    border-radius: 50%;
}

.profile-info {
    margin-top: calc(var(--avatar-size) / 2 + var(--spacing));
    margin-bottom: var(--spacing);
    padding: 0 var(--spacing);
}

.profile-info > * {
    width: fit-content;
}

.profile-info .name {
    font-size: 1.2rem;
}

.profile-info .description {
    white-space: pre-wrap;
    line-height: 1.2;
}

.tag {
    /* needed to override <a> styling for tags in the nav */
    color: var(--color-text);
}

.profile-info .tag, .post-tag {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.profile-extra-container > *:not(:last-child) {
    padding-inline-end: var(--spacing);
    border-inline-end: 2px solid var(--color-border);
}

/* Timeline and posts */
.timeline {
    gap: var(--spacing);
    padding-block: var(--spacing);
}

.post {
    /* background: #f8f9fa; */
    border-radius: var(--border-radius);
    padding: var(--spacing);
    border: 1px solid var(--color-border);
}

.post.onlypanks-original {
    background-color: hsl(from gold h s l / 0.02);
}

.post-header {
    align-items: center;
    gap: var(--spacing-s);
    margin-bottom: var(--spacing-s);
}

.post-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.emoji {
    height: var(--emoji-size);
    width: var(--emoji-size);
    /* vertical alignment and spacing rules taken from youtube */
    vertical-align: middle;
    position: relative;
    top: -.07em;
    margin-inline: var(--spacing-emoji);
}

.post-image, .post-video {
    max-width: 100%;
    border-radius: var(--border-radius);
    margin: var(--spacing-s) 0;
    max-height: clamp(200px, 50vh, 600px);
}

.post-text {
    white-space: pre-line;
}

.post-footer {
    gap: var(--spacing);
    margin-top: var(--spacing-s);
}

.post:not(.onlypanks-original) .onlypanks-original-label,
.post:not(.self-made) .self-made-label {
    display: none;
}

.post .onlypanks-original-label, .post .self-made-label {
    margin-inline-start: auto;
}

.fancy-logo-label-left {
    font-family: "site-title-fancy-left";
}

.fancy-logo-label-right {
    font-family: "site-title-fancy-right";
    font-size: 2rem;
    /* offset extra spacing between Only (left) and Panks (right) */
    /*position: relative;
    left: -3px;*/
}

.profile-card {
    align-items: center;
    gap: var(--spacing);
    padding: var(--spacing);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-s);
    border: 1px solid var(--color-border);
}

.profile-card img {
    width: 60px;
    height: 60px;
}

#following-list .profile-card {
    margin-bottom: 0;
    padding: var(--spacing-s);
}

.credits-list {
    list-style: none;
}

.credits-list li {
    padding: var(--spacing-s) 0;
    border-bottom: 1px solid #eee;
}

/* Modal */
.modal-background {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--color-main-bg);
    padding: var(--spacing-l);
    border-radius: 8px;
    border: 1px solid var(--color-border);
    /*max-width: 400px;*/
    gap: var(--spacing);
}

.following-container, .trivia-container {
    width: clamp(20%, 60ch, 80%);
    max-height: 70%;
    overflow: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) var(--color-main-bg);
}

#trivia-list {
    padding-inline-start: var(--spacing);
}

.external-links  {
    gap: var(--spacing);
}

.link-view {
    gap: var(--spacing-s);
}

.link-view {
    align-items: center;
}

.link-view-container {
    gap: var(--spacing-xs);
}

.site-name {
    font-weight: bold;
    margin-bottom: var(--spacing-xs);
}

.list-container {
    padding-block: var(--spacing);
}

/* panda day */
#panda-day-container {
    align-items: flex-start;
}

#panda-day-container > * {
    flex: 1;
}

/* ---------- Layout ---------- */
.quiz {
    max-width: 40rem;
    margin-inline: auto;
}

.quiz-fieldset {
    border: 0;
    min-width: 0; /* prevents fieldset min-content sizing quirks */
}

/* Question styled like an <h2>, using <legend> for a11y */
.quiz-question {
    display: block;
    margin-bottom: 1.5rem;
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    line-height: 1.2;
}

.quiz-options {
    display: grid;
    gap: 0.75rem;
}

/* ---------- Option boxes ---------- */
.quiz-option {
    position: relative;
    display: block;
    padding: 1rem 1.25rem;
    border: 2px solid var(--color-border);
    border-radius: 0.75rem;
    background: #fff;
    cursor: pointer;
    user-select: none;
    transition: border-color .15s, background-color .15s, transform .1s;
}

.quiz-option:hover {
    transform: scale(1.02);
}

.quiz-option:active {
    transform: scale(0.995);
}

/* Keyboard focus ring on the label, not the hidden input */
.quiz-option:has(input:focus-visible) {
    outline: 2px solid hsl(from var(--rpd-color-primary) h s calc(l + 15));
    outline-offset: 2px;
}

/* Selected state. :where() keeps specificity low so .is-correct / .is-wrong win */
.quiz-option:where(:has(input:checked)), .quiz-option:hover {
    border-color: hsl(from var(--rpd-color-primary) h s calc(l + 15));
    background: hsl(from var(--rpd-color-primary) h s 90%);
}

.quiz-option-text {
    color: var(--rpd-color-primary);
}

.quiz-option:where(:has(input:checked)) .quiz-option-text {
    font-weight: 600;
}

/* Hide the native radio but keep it focusable for screen readers/keyboard */
.quiz-option input {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
    margin: 0;
    pointer-events: none;
}

/* Result states */
.quiz-option.is-correct,
.quiz-option.is-correct:has(input:checked) {
    border-color: hsl(from var(--rpd-color-quiz-correct) h s calc(l + 15));
    background: hsl(from var(--rpd-color-quiz-correct) h s 90%);
}

.quiz-option.is-correct .quiz-option-text {
    color: var(--rpd-color-quiz-correct);
}

.quiz-option.is-wrong,
.quiz-option.is-wrong:has(input:checked) {
    border-color: hsl(from var(--rpd-color-quiz-wrong) h s calc(l + 15));
    background: hsl(from var(--rpd-color-quiz-wrong) h s 90%);
    animation: quiz-shake .3s ease;
}

.quiz-option.is-wrong .quiz-option-text {
    color: var(--rpd-color-quiz-wrong);
}

@keyframes quiz-shake {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-6px);
    }
    75% {
        transform: translateX(6px);
    }
}

/* ---------- Confirm button ---------- */
.quiz-button {
    padding: 0.875rem 1.75rem;
    border: 0;
    border-radius: 0.75rem;
    background: #2563eb;
    color: #fff;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: background-color .15s, opacity .15s;
}

.quiz-button:hover:not(:disabled) {
    background: var(--rpd-color-primary);
}

.quiz-button:disabled {
    opacity: .45;
    cursor: not-allowed;
}

.quiz-button:focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: 3px;
}

/* ---------- Feedback ---------- */
.quiz-feedback {
    margin: 0.75rem 0 0;
    min-height: 1.2em;
    font-size: 0.95rem;
    white-space: pre-wrap;
}

.quiz-feedback.is-correct {
    color: var(--rpd-color-quiz-correct);
}

.quiz-feedback.is-wrong {
    color: var(--rpd-color-quiz-wrong);
}

/* misc or not ordered yet */
.not-found-header {
    align-items: center;
}

#likes-container, #dislikes-container {
    /*flex: 1;*/
    width: 30ch;
    border: 1px var(--color-border) solid;
    border-radius: 8px;
}

/* Utility */
.pad {
    padding: var(--spacing);
}

.pad-s {
    padding: var(--spacing-s);
}

.pad-xs {
    padding: var(--spacing-xs);
}

.pad-l {
    padding: var(--spacing-l);
}

.pad-xl {
    padding: var(--spacing-xl);
}

.pad-inline {
    padding-inline: var(--spacing);
}

.pad-inline-s {
    padding-inline: var(--spacing-s);
}

.pad-inline-xs {
    padding-inline: var(--spacing-xs);
}

.pad-inline-l {
    padding-inline: var(--spacing-l);
}

.pad-inline-xl {
    padding-inline: var(--spacing-xl);
}

.pad-block {
    padding-block: var(--spacing);
}

.pad-block-s {
    padding-block: var(--spacing-s);
}

.pad-block-xs {
    padding-block: var(--spacing-xs);
}

.pad-block-l {
    padding-block: var(--spacing-l);
}

.pad-block-xl {
    padding-block: var(--spacing-xl);
}

.margin-auto {
    margin: auto;
}

.margin-inline-auto {
    margin-inline: auto;
}

.margin-block-auto {
    margin-block: auto;
}

.margin {
    margin: var(--spacing);
}

.margin-s {
    margin: var(--spacing-s);
}

.margin-xs {
    margin: var(--spacing-xs);
}

.margin-l {
    margin: var(--spacing-l);
}

.margin-xl {
    margin: var(--spacing-xl);
}

.margin-inline {
    margin-inline: var(--spacing);
}

.margin-inline-s {
    margin-inline: var(--spacing-s);
}

.margin-inline-xs {
    margin-inline: var(--spacing-xs);
}

.margin-inline-l {
    margin-inline: var(--spacing-l);
}

.margin-inline-xl {
    margin-inline: var(--spacing-xl);
}

.margin-block {
    margin-block: var(--spacing);
}

.margin-block-s {
    margin-block: var(--spacing-s);
}

.margin-block-xs {
    margin-block: var(--spacing-xs);
}

.margin-block-l {
    margin-block: var(--spacing-l);
}

.margin-block-xl {
    margin-block: var(--spacing-xl);
}

.gap {
    gap: var(--spacing);
}

.gap-s {
    gap: var(--spacing-s);
}

.gap-xs {
    gap: var(--spacing-xs);
}

.gap-l {
    gap: var(--spacing-l);
}

.gap-xl {
    gap: var(--spacing-xl);
}

.gap-row {
    row-gap: var(--spacing);
}

.gap-row-s {
    row-gap: var(--spacing-s);
}

.gap-row-xs {
    row-gap: var(--spacing-xs);
}

.gap-row-l {
    row-gap: var(--spacing-l);
}

.gap-row-xl {
    row-gap: var(--spacing-xl);
}

.gap-column {
    column-gap: var(--spacing);
}

.gap-column-s {
    column-gap: var(--spacing-s);
}

.gap-column-xs {
    column-gap: var(--spacing-xs);
}

.gap-column-l {
    column-gap: var(--spacing-l);
}

.gap-column-xl {
    column-gap: var(--spacing-xl);
}

.center {
    justify-content: center;
    align-items: center;
}

.space-between {
    justify-content: space-between;
}

.space-around {
    justify-content: space-around;
}

.space-evenly {
    justify-content: space-evenly;
}

.scroll-y {
    overflow-y: auto;
}

.scroll-x {
    overflow-x: auto;
}

.scroll {
    overflow: auto;
}

.special-interactable {
    cursor: pointer;
    animation: attractAttention 2.5s infinite ease-in-out;
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
}

/* Hover effect: immediate feedback + extra special hint */
.special-interactable:hover {
    transform: scale(1.02);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.7);
    animation-play-state: paused;
    /* Pause the glow on hover to avoid overload */
}

/* golden glow animation */
@keyframes attractAttention {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 215, 0, 0);
        border-color: transparent;
    }

    50% {
        box-shadow: 0 0 0 4px rgba(255, 215, 0, 0.6);
        border-color: gold;
    }

    100% {
        box-shadow: 0 0 0 0 rgba(255, 215, 0, 0);
        border-color: transparent;
    }
}

/* Extra hint: tooltip that appears on hover */
.special-interactable::after {
    content: "change worldline";
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: hsl(from gold h s l / 0.8);
    color: var(--color-text);
    font-size: 0.85rem;
    padding: 0.2rem 0.5rem;
    border-radius: 20px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
    margin-bottom: 8px;
}

.special-interactable:hover::after {
    opacity: 1;
}

/* footer, license */
.site-footer {
    padding: 1rem;
    font-size: 0.875rem;
    text-align: center;
    line-height: 1.6;
    position: fixed;
    inset: auto 0 0 0;
}

.site-footer a {
    text-decoration: underline;
}