:root {
    --tts-bg: #090b11;
    --tts-panel: rgba(14, 18, 30, 0.9);
    --tts-border: rgba(255, 255, 255, 0.12);
    --tts-text: #eef2ff;
    --tts-muted: #bdc7e6;
    --tts-accent: #f59e0b;
    --tts-accent-strong: #d97706;
    --tts-danger: #fecaca;
    --tts-danger-bg: rgba(127, 29, 29, 0.25);
}

body {
    min-height: 100vh;
    background:
        radial-gradient(140% 120% at 10% 0%, rgba(245, 158, 11, 0.14), rgba(9, 11, 17, 0) 45%),
        radial-gradient(130% 110% at 90% 100%, rgba(56, 189, 248, 0.12), rgba(9, 11, 17, 0) 50%),
        var(--tts-bg);
    color: var(--tts-text);
}

body::before,
body::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

body::before {
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 38px 38px;
    opacity: 0.18;
}

body::after {
    background: radial-gradient(circle at 50% 22%, rgba(245, 158, 11, 0.12), transparent 58%);
}

.page {
    position: relative;
    z-index: 1;
    max-width: 980px;
    margin: 34px auto;
    padding: 0 18px 20px;
}

.title {
    margin: 0 0 10px;
    text-align: center;
    font-size: clamp(1.45rem, 2.6vw, 2rem);
    line-height: 1.18;
    letter-spacing: 0.01em;
}

.subtitle {
    margin: 0 auto 22px;
    max-width: 860px;
    text-align: center;
    color: var(--tts-muted);
    font-size: clamp(0.95rem, 1.4vw, 1.05rem);
    line-height: 1.62;
}

.card {
    background: var(--tts-panel);
    border: 1px solid var(--tts-border);
    border-radius: 18px;
    padding: clamp(16px, 2.3vw, 24px);
    box-shadow:
        0 22px 52px rgba(0, 0, 0, 0.45),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(8px);
}

#tts-text,
#voice-select {
    width: 100%;
    background: rgba(8, 12, 24, 0.86);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 12px;
    color: var(--tts-text);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

#tts-text {
    min-height: 160px;
    resize: vertical;
    padding: 13px 14px;
    font-size: clamp(0.95rem, 1.2vw, 1rem);
    line-height: 1.62;
    font-family: "Noto Sans Ethiopic", "Abyssinica SIL", sans-serif;
}

#tts-text::placeholder {
    color: #8e99bc;
}

#voice-select {
    min-width: 320px;
    padding: 10px 12px;
    font-size: 0.95rem;
}

#tts-text:focus,
#voice-select:focus {
    outline: none;
    border-color: rgba(245, 158, 11, 0.62);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.16);
}

.switch-row,
.voice-row {
    margin-top: 14px;
    font-size: 0.95rem;
    color: var(--tts-muted);
}

.switch-row {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.switch-row input {
    accent-color: var(--tts-accent);
}

.voice-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.actions {
    margin-top: 16px;
    display: flex;
    justify-content: center;
}

#generate-btn,
.download-btn {
    border: 1px solid rgba(245, 158, 11, 0.48);
    border-radius: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}

#generate-btn {
    padding: 10px 30px;
    font-size: 0.95rem;
    background: linear-gradient(135deg, var(--tts-accent), var(--tts-accent-strong));
    color: #161616;
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.3);
}

#generate-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(245, 158, 11, 0.34);
}

#generate-btn:disabled {
    opacity: 0.75;
    cursor: not-allowed;
    transform: none;
}

.error {
    margin-top: 14px;
    border: 1px solid rgba(254, 202, 202, 0.35);
    background: var(--tts-danger-bg);
    color: var(--tts-danger);
    border-radius: 10px;
    padding: 10px 12px;
    font-size: 0.93rem;
}

.audio-result {
    margin-top: 16px;
    border: 1px solid var(--tts-border);
    background: var(--tts-panel);
    border-radius: 14px;
    padding: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(8px);
}

#audio-player {
    width: min(100%, 580px);
}

.download-btn {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1rem;
    background: rgba(245, 158, 11, 0.18);
    color: #ffd495;
}

.download-btn:hover {
    transform: translateY(-1px);
    background: rgba(245, 158, 11, 0.28);
}

.hidden {
    display: none;
}

@media (max-width: 860px) {
    .page {
        margin-top: 24px;
    }

    .voice-row {
        flex-direction: column;
        align-items: stretch;
    }

    #voice-select {
        min-width: 0;
    }

    .audio-result {
        flex-direction: column;
        align-items: stretch;
    }

    .download-btn {
        width: 100%;
        height: 40px;
    }
}