/* --- Base & Theming --- */
:root {
    --cyan-glow: #00ffff;
    --cyan-text: #99ffff;
    --dark-bg: #080808;
    --panel-bg: rgba(20, 20, 20, 0.7);
    --dark-text: #101010;
    --border-glow: rgba(0, 255, 255, 0.7);
    --shadow: rgba(0, 0, 0, 0.8);
    --font-main: 'Space Grotesk', sans-serif;
}

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

body {
    font-family: var(--font-main);
    margin: 0;
    background: var(--dark-bg);
    color: var(--cyan-text);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(0, 255, 255, 0.05) 0%, transparent 70%);
    z-index: -1;
}

/* --- Flipper & Scene Setup --- */
.scene {
    perspective: 2000px;
    width: 100%;
    max-width: 700px;
}

.flipper {
    position: relative;
    width: 100%;
    transform-style: preserve-3d;
    transition: transform 0.8s cubic-bezier(0.68, -0.55, 0.27, 1.55), height 0.6s ease-in-out;
}

.flipper.is-flipped {
    transform: rotateY(180deg);
}

.container {
    background-color: var(--panel-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 20px;
    padding: 30px 40px;
    box-shadow: 0 15px 35px var(--shadow);
    border: 2px solid var(--border-glow);
    text-align: center;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    width: 100%;
}

.front {
    transform: rotateY(0deg);
}

.back {
    position: absolute;
    top: 0;
    left: 0;
    transform: rotateY(180deg);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* --- Header --- */
.header h1, .header h2 {
    font-size: 2.8em;
    margin: 0 0 10px;
    color: white;
    text-shadow: 0 0 12px var(--cyan-glow);
}
.header p {
    margin: 0 0 30px;
    font-size: 1em;
    letter-spacing: 0.03em;
    opacity: 0.9;
}
.header h2 { font-size: 2.2em; }

/* --- Input & Forms --- */
.input-group {
    margin-bottom: 30px;
    text-align: left;
}

label {
    display: block;
    margin-bottom: 12px;
    font-weight: 700;
    font-size: 1.1em;
}

textarea {
    width: 100%;
    padding: 18px;
    border: 2px solid var(--cyan-glow);
    border-radius: 12px;
    font-size: 16px;
    color: white;
    background-color: rgba(24, 24, 24, 0.8);
    transition: all 0.3s ease;
    min-height: 140px;
    resize: vertical;
}

textarea:focus {
    outline: none;
    box-shadow: 0 0 15px var(--cyan-glow);
}

/* --- Buttons --- */
button {
    background-color: var(--cyan-glow);
    color: var(--dark-text);
    padding: 16px 30px;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 700;
    width: 100%;
    letter-spacing: 0.03em;
    margin-top: 10px;
    position: relative;
    overflow: hidden;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px var(--shadow), 0 0 15px var(--cyan-glow);
}

button.telegram-btn {
    background: transparent;
    border: 2px solid #2AABEE;
    color: #2AABEE;
}
button.telegram-btn:hover { background: #2AABEE; color: white; }

/* --- Results Display --- */
.results-wrapper {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-block: 20px;
    width: 100%;
}
.result-list-container {
    background: rgba(0,0,0,0.25);
    border-radius: 10px;
    padding: 20px;
    text-align: left;
    border: 1px solid rgba(0, 255, 255, 0.2);
}
.result-list-container h3 {
    margin: 0 0 15px;
    border-bottom: 1px solid var(--cyan-glow);
    padding-bottom: 10px;
    text-align: center;
    color: white;
}
.result-list {
    max-height: 200px;
    overflow-y: auto;
    padding-right: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.result-link {
    background: rgba(24, 24, 24, 0.7);
    border-radius: 8px;
    padding: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 14px;
    color: var(--cyan-text); /* HIGH CONTRAST TEXT */
    border: 1px solid transparent;
}
button.copy-all-btn {
    font-size: 14px;
    padding: 10px;
    background: transparent;
    border: 1px solid var(--cyan-glow);
    color: var(--cyan-text);
    margin-top: 20px;
}
button.copy-all-btn:hover { background: var(--cyan-glow); color: var(--dark-text); }
button.copy-all-btn.success { background: #00ff7f; border-color: #00ff7f; color: var(--dark-text); }


/* --- Loader & Processing State --- */
#convertBtn .btn-loader {
    display: none;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(0,0,0,0.3);
    border-top-color: var(--dark-text);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -10px;
    margin-left: -10px;
}
#convertBtn.processing .btn-text { opacity: 0; }
#convertBtn.processing .btn-loader { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Popup --- */
.popup-message {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--panel-bg);
    backdrop-filter: blur(5px);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    z-index: 10000;
    border: 1px solid var(--cyan-glow);
    box-shadow: 0 0 20px var(--cyan-glow);
    display: none;
    animation: popup-fade 0.3s ease-out;
}
@keyframes popup-fade { from { opacity: 0; transform: translate(-50%, 10px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* --- Scrollbar --- */
.result-list::-webkit-scrollbar { width: 6px; }
.result-list::-webkit-scrollbar-track { background: transparent; }
.result-list::-webkit-scrollbar-thumb { background-color: var(--cyan-glow); border-radius: 10px; }

/* --- Responsive --- */
@media (max-width: 768px) {
    .header h1, .header h2 { font-size: 2.2em; }
    .container { padding: 20px; }
}