:root {
    --bg-1: #0b1020;
    --bg-2: #121a31;
    --bg-3: #0f162d;
    --card: rgba(255, 255, 255, 0.09);
    --card-border: rgba(255, 255, 255, 0.2);
    --text-main: #f3f7ff;
    --text-soft: #c6d2ec;
    --accent: #00d1b2;
    --accent-2: #00a3ff;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Manrope", sans-serif;
    color: var(--text-main);
    background: linear-gradient(140deg, var(--bg-1), var(--bg-2), var(--bg-3));
    overflow-x: hidden;
    position: relative;
}

.bg-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.65;
    z-index: 0;
    animation: float 16s ease-in-out infinite;
}

.orb-1 {
    width: 380px;
    height: 380px;
    top: -120px;
    left: -120px;
    background: radial-gradient(circle, #00e1ff, #0069ff);
}

.orb-2 {
    width: 360px;
    height: 360px;
    right: -120px;
    top: 30%;
    background: radial-gradient(circle, #00ffb3, #00a37a);
    animation-delay: -4s;
}

.orb-3 {
    width: 420px;
    height: 420px;
    bottom: -180px;
    left: 30%;
    background: radial-gradient(circle, #ffe066, #ff9f1a);
    animation-delay: -8s;
}

.container {
    width: min(920px, 92%);
    margin: 48px auto 24px;
    padding: 24px;
    border-radius: 20px;
    background: var(--card);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(16px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
    position: relative;
    z-index: 1;
}

h1 {
    margin: 0;
    font-size: clamp(2rem, 4vw, 3.2rem);
    letter-spacing: -0.02em;
}

.subtitle {
    margin: 10px 0 0;
    color: var(--text-soft);
    font-size: 1rem;
}

.input-section {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

#promptInput {
    flex: 1;
    padding: 14px 16px;
    border: 1px solid var(--card-border);
    border-radius: 12px;
    font-size: 1rem;
    background: rgba(0, 0, 0, 0.2);
    color: var(--text-main);
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

#promptInput::placeholder {
    color: #a8badf;
}

#promptInput:focus {
    border-color: var(--accent-2);
    box-shadow: 0 0 0 3px rgba(0, 163, 255, 0.2);
}

button {
    padding: 14px 18px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    color: #02141f;
    background: linear-gradient(120deg, var(--accent), var(--accent-2));
    transition: transform 0.2s ease, filter 0.2s ease, opacity 0.2s ease;
}

button:hover:not(:disabled) {
    transform: translateY(-1px);
    filter: brightness(1.05);
}

button:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.image-container {
    margin-top: 22px;
    min-height: 220px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
}

.loader {
    display: none;
    color: var(--text-soft);
    font-size: 1rem;
    letter-spacing: 0.03em;
    animation: pulse 1.2s ease-in-out infinite;
}

#resultImage {
    width: 100%;
    display: none;
    border-radius: 14px;
    border: 1px solid var(--card-border);
    box-shadow: 0 10px 32px rgba(0, 0, 0, 0.4);
}

#downloadBtn {
    display: none;
    min-width: 190px;
}

.footer {
    width: min(920px, 92%);
    margin: 0 auto 30px;
    text-align: center;
    color: var(--text-soft);
    position: relative;
    z-index: 1;
    font-size: 0.95rem;
}

.footer a {
    color: #9be6ff;
    text-decoration: none;
}

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

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(18px, -22px) scale(1.04); }
    100% { transform: translate(0, 0) scale(1); }
}

@keyframes pulse {
    0% { opacity: 0.5; }
    50% { opacity: 1; }
    100% { opacity: 0.5; }
}

@media (max-width: 720px) {
    .container {
        margin-top: 24px;
        padding: 18px;
    }

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

    button {
        width: 100%;
    }
}