:root {
    --bg-1: #2b2320;
    --bg-2: #1c1613;
    --card-bg: #fffaf3;
    --card-shadow: rgba(0, 0, 0, 0.35);
    --dog-orange: #ff8a3d;
    --dog-orange-dark: #e46a1f;
    --dog-brown: #7a4a2b;
    --ink: #2b2320;
    --muted: #8a7a6d;
    --error: #d94f4f;
    --success: #3fae62;
    --font-display: 'Baloo 2', system-ui, sans-serif;
    --font-body: 'Nunito', system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    min-height: 100%;
}

body {
    font-family: var(--font-body);
    color: var(--ink);
    background: radial-gradient(circle at 20% 20%, #3a2f29, var(--bg-1) 55%, var(--bg-2));
    min-height: 100vh;
    overflow-x: hidden;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
}

.scene {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    padding: 3rem 1.25rem;
}

/* --- floating bones in the background, just for fun --- */
.scene__bone {
    position: absolute;
    font-size: 2.5rem;
    opacity: 0.15;
    animation: float 7s ease-in-out infinite;
    pointer-events: none;
    user-select: none;
}
.scene__bone--1 { top: 8%;  left: 8%;  animation-delay: 0s; }
.scene__bone--2 { top: 65%; left: 85%; animation-delay: 1.2s; font-size: 3.2rem; }
.scene__bone--3 { top: 80%; left: 12%; animation-delay: 2.4s; font-size: 2rem; }

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50%      { transform: translateY(-18px) rotate(12deg); }
}

/* --- header / logo --- */
.site-header {
    text-align: center;
    color: #fdf6ee;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-display);
}

.logo__mark {
    font-size: 3rem;
    display: inline-block;
    animation: wag 2.2s ease-in-out infinite;
    transform-origin: 70% 90%;
}

@keyframes wag {
    0%, 100% { transform: rotate(-8deg); }
    50%      { transform: rotate(8deg); }
}

.logo__word {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: #fdf6ee;
}

.logo__word-accent {
    color: var(--dog-orange);
}

.tagline {
    margin: 0.35rem 0 0;
    font-size: 1.05rem;
    color: #cbb8a8;
    font-weight: 600;
}

/* --- card --- */
.card {
    position: relative;
    background: var(--card-bg);
    border-radius: 24px;
    padding: 2rem 2rem 1.75rem;
    width: 100%;
    max-width: 720px;
    box-shadow: 0 20px 45px var(--card-shadow);
    overflow: hidden;
}

.input-row {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.textarea-wrap {
    position: relative;
    flex: 1 1 380px;
    min-width: 0;
}

#url-input {
    display: block;
    width: 100%;
    padding: 1.1rem 2.75rem 1.1rem 1.4rem;
    border-radius: 16px;
    border: 2px solid #ecdfd0;
    font-family: var(--font-body);
    font-size: 1.2rem;
    line-height: 1.4;
    min-height: 3.6rem;
    max-height: 9rem;
    resize: none;
    overflow-y: auto;
    overflow-wrap: break-word;
    word-break: break-all;
    white-space: pre-wrap;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-sizing: border-box;
    scrollbar-gutter: stable;
}

#url-input:focus {
    border-color: var(--dog-orange);
    box-shadow: 0 0 0 4px rgba(255, 138, 61, 0.15);
}

#url-input.is-invalid {
    border-color: var(--error);
    animation: shake 0.4s ease;
}

#clear-btn {
    position: absolute;
    top: 0.55rem;
    right: 1.15rem;
    width: 1.6rem;
    height: 1.6rem;
    border: none;
    border-radius: 50%;
    background: #ecdfd0;
    color: var(--dog-brown);
    font-size: 1.1rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: background 0.15s ease, transform 0.15s ease;
}

#clear-btn:hover {
    background: var(--dog-orange);
    color: #fff;
    transform: scale(1.08);
}

button {
    font-family: var(--font-body);
    cursor: pointer;
}

#shorten-btn {
    position: relative;
    border: none;
    border-radius: 16px;
    padding: 1.1rem 1.7rem;
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--dog-orange), var(--dog-orange-dark));
    box-shadow: 0 8px 18px rgba(228, 106, 31, 0.35);
    transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.2s ease;
}

#shorten-btn:not(:disabled):hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 22px rgba(228, 106, 31, 0.45);
}

#shorten-btn:not(:disabled):active {
    transform: translateY(0);
}

#shorten-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    box-shadow: none;
}

#shorten-btn.is-loading .btn__label { visibility: hidden; }

.btn__spinner {
    display: none;
    position: absolute;
    inset: 0;
    margin: auto;
    width: 18px;
    height: 18px;
    border: 3px solid rgba(255, 255, 255, 0.4);
    border-top-color: #fff;
    border-radius: 50%;
}

#shorten-btn.is-loading .btn__spinner {
    display: block;
    animation: spin 0.7s linear infinite;
}

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

.error-msg {
    min-height: 1.2rem;
    margin: 0.6rem 0 0;
    color: var(--error);
    font-size: 0.9rem;
    font-weight: 600;
}

/* --- result panel --- */
.result {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 2px dashed #ecdfd0;
    animation: pop-in 0.5s cubic-bezier(0.22, 1.4, 0.36, 1) both;
}

@keyframes pop-in {
    0%   { opacity: 0; transform: scale(0.85) translateY(10px); }
    60%  { opacity: 1; transform: scale(1.03) translateY(-2px); }
    100% { opacity: 1; transform: scale(1) translateY(0); }
}

.result__badge {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    margin-bottom: 0.75rem;
    background: rgba(63, 174, 98, 0.12);
    color: var(--success);
}

.result__badge.is-existing {
    background: rgba(255, 138, 61, 0.15);
    color: var(--dog-orange-dark);
}

.result__row {
    display: flex;
    gap: 0.6rem;
}

#result-url {
    flex: 1 1 auto;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    border: 2px solid #ecdfd0;
    background: #fdf6ee;
    font-weight: 700;
    color: var(--dog-brown);
    min-width: 0;
}

#copy-btn {
    border: none;
    border-radius: 12px;
    padding: 0.75rem 1.1rem;
    font-weight: 700;
    background: var(--ink);
    color: #fdf6ee;
    transition: transform 0.15s ease, background 0.2s ease;
}

#copy-btn:hover { transform: translateY(-2px); }

#copy-btn.is-copied {
    background: var(--success);
}

.result__meta {
    margin: 0.65rem 0 0;
    font-size: 0.85rem;
    color: var(--muted);
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%      { transform: translateX(-6px); }
    40%      { transform: translateX(6px); }
    60%      { transform: translateX(-4px); }
    80%      { transform: translateX(4px); }
}

/* --- confetti --- */
.confetti-layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.confetti-piece {
    position: absolute;
    top: -10px;
    width: 8px;
    height: 14px;
    border-radius: 2px;
    animation: confetti-fall linear forwards;
}

@keyframes confetti-fall {
    to {
        transform: translateY(120%) rotate(540deg);
        opacity: 0.2;
    }
}

/* --- redirect interstitial page --- */
.redirect-scene {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.25rem;
}

.redirect-card {
    background: var(--card-bg);
    border-radius: 24px;
    padding: 2.5rem 2rem 2rem;
    width: 100%;
    max-width: 420px;
    text-align: center;
    box-shadow: 0 20px 45px var(--card-shadow);
}

.redirect-runway {
    position: relative;
    height: 70px;
    margin-bottom: 1.25rem;
}

.redirect-dog {
    position: absolute;
    left: 50%;
    bottom: 4px;
    transform: translateX(-50%);
    transform-origin: 70% 90%;
    font-size: 3rem;
    animation: bark-bounce 0.5s ease-in-out infinite;
}

@keyframes bark-bounce {
    0%, 100% { transform: translateX(-50%) rotate(0deg)  scale(1); }
    20%      { transform: translateX(-50%) rotate(-8deg) scale(1.08); }
    40%      { transform: translateX(-50%) rotate(5deg)  scale(0.95); }
    60%      { transform: translateX(-50%) rotate(-4deg) scale(1.05); }
    80%      { transform: translateX(-50%) rotate(2deg)  scale(1); }
}

.bark-bubble {
    position: absolute;
    top: 6px;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 0.9rem;
    color: var(--dog-orange-dark);
    background: #fff;
    border: 2px solid var(--dog-orange);
    border-radius: 999px;
    padding: 0.15rem 0.6rem;
    white-space: nowrap;
    opacity: 0;
    animation: bark-pop 1.6s ease-in-out infinite;
}

.bark-bubble--1 { left: 58%; animation-delay: 0s; }
.bark-bubble--2 { left: 68%; top: 0; font-size: 0.8rem; animation-delay: 0.5s; }

@keyframes bark-pop {
    0%   { opacity: 0; transform: translateY(6px) scale(0.6); }
    15%  { opacity: 1; transform: translateY(-6px) scale(1); }
    40%  { opacity: 1; transform: translateY(-14px) scale(1); }
    65%  { opacity: 0; transform: translateY(-22px) scale(0.9); }
    100% { opacity: 0; }
}

.redirect-msg {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--ink);
    margin: 0 0 1rem;
}

.progress {
    height: 8px;
    border-radius: 999px;
    background: #ecdfd0;
    overflow: hidden;
    margin-bottom: 1.25rem;
}

.progress__bar {
    height: 100%;
    width: 0%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--dog-orange), var(--dog-orange-dark));
    animation: fill-bar 1.6s ease forwards;
}

@keyframes fill-bar {
    to { width: 100%; }
}

.redirect-fallback {
    font-size: 0.8rem;
    color: var(--muted);
    word-break: break-all;
    margin: 0;
}

.redirect-fallback a {
    color: var(--dog-orange-dark);
    font-weight: 600;
    text-decoration: none;
}

/* --- footer --- */
.site-footer {
    color: #b7a695;
    font-size: 0.85rem;
    text-align: center;
}

.site-footer a {
    color: var(--dog-orange);
    text-decoration: none;
    font-weight: 700;
}

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

@media (max-width: 480px) {
    .logo__mark, .logo__word { font-size: 2.3rem; }
    .card { padding: 1.5rem 1.25rem; }
    .input-row { flex-direction: column; }

    /* .textarea-wrap's flex-basis (380px) is meant for the *width* it gets
       in the default row layout above. In column layout the main axis
       flips to vertical, so that same flex-basis would otherwise be
       read as a height, ballooning the card. Reset it explicitly here. */
    .textarea-wrap { flex: 0 1 auto; width: 100%; }
    #url-input { max-height: 7rem; }

    #shorten-btn { width: 100%; }
}