:root {
    --primary-color: #2997ff;
    --bg-color: #000000;
    --text-color: #f5f5f7;
    --secondary-text: #86868b;
    
    --glass-bg: rgba(30, 30, 35, 0.65);
    --glass-border: rgba(255, 255, 255, 0.12);
    --glass-highlight: rgba(255, 255, 255, 0.08);
    --glass-blur: blur(25px);

    --neutral-btn-bg: rgba(255, 255, 255, 0.15);
    --neutral-btn-hover: rgba(255, 255, 255, 0.25);

    --safe-top: env(safe-area-inset-top, 0px);
    --safe-right: env(safe-area-inset-right, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-left: env(safe-area-inset-left, 0px);
}

@media (prefers-color-scheme: light) {
    :root:not([data-theme="dark"]) {
        --bg-color: #ffffffa6;
        --text-color: #1d1d1f;
        --secondary-text: #86868b;
        
        --glass-bg: rgb(245, 245, 247);
        --glass-border: rgba(0, 0, 0, 0.1);
        --glass-highlight: rgba(255, 255, 255, 0.5);
        
        --neutral-btn-bg: rgba(0, 0, 0, 0.05);
        --neutral-btn-hover: rgba(0, 0, 0, 0.1);
    }
}

:root[data-theme="light"] {
    --bg-color: #ffffffa6;
    --text-color: #1d1d1f;
    --secondary-text: #86868b;
        
    --glass-bg: rgb(245, 245, 247);
    --glass-border: rgba(0, 0, 0, 0.1);
    --glass-highlight: rgba(255, 255, 255, 0.5);
    
    --neutral-btn-bg: rgba(0, 0, 0, 0.05);
    --neutral-btn-hover: rgba(0, 0, 0, 0.1);
}

.theme-toggle {
    position: fixed;
    top: calc(var(--safe-top) + 20px);
    right: calc(var(--safe-right) + 20px);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--neutral-btn-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    z-index: 100;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

.theme-toggle:hover {
    background: var(--neutral-btn-hover);
    transform: scale(1.05);
}

.theme-toggle:active {
    transform: scale(0.95);
}

html { height: 100%; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body { margin: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: calc(var(--safe-top) + 20px) calc(var(--safe-right) + 20px) calc(var(--safe-bottom) + 20px) calc(var(--safe-left) + 20px);
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.4s ease, color 0.4s ease;
}

main {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    margin: auto;
}

.hero, .theme-toggle, .url-form, .url-input, .custom-button, .credit, .paste-button, .source-url-display {
    transition: background-color 0.4s ease, color 0.4s ease, border-color 0.4s ease, backdrop-filter 0.4s ease, transform 0.2s ease, background 0.4s ease;
}

.source-url-display {
    font-size: 0.85rem;
    color: var(--secondary-text);
    word-break: break-all;
    margin-bottom: 0;
    padding: 12px 20px;
    background: var(--glass-bg);
    border-radius: 14px;
    border: 1px solid var(--glass-border);
    width: 100%;
    box-sizing: border-box;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.hero {
    text-align: center;
    max-width: 600px;
    width: 100%;
}

.app-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 24px;
    display: block;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.app-icon:hover {
    transform: scale(1.05);
}

h1 {
    font-size: 3rem;
    margin: 0 0 12px;
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: -1.5px;
    color: var(--text-color);
}

h1 span {
    color: var(--primary-color);
}

p.description {
    font-size: 1.2rem;
    color: var(--secondary-text);
    margin: 0 auto 32px;
    font-weight: 400;
}

#tagline {
    transition: opacity 0.3s ease;
}

#subtitle {
    font-size: 0.95rem;
    color: var(--secondary-text);
    margin-bottom: 20px;
    line-height: 1.5;
    display: none;
}

#links-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
}

.url-form-wrapper {
    width: 100%;
    max-width: 420px;
    margin-bottom: 24px;
}

.url-form {
    display: flex;
    background: var(--glass-bg);
    padding: 8px;
    border-radius: 100px;
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur) saturate(180%);
    -webkit-backdrop-filter: var(--glass-blur) saturate(180%);
    gap: 8px;
}

.url-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-color);
    padding: 12px 20px;
    font-size: 17px;
    outline: none;
    min-width: 0;
}

.submit-button {
    background: var(--primary-color);
    color: #fff;
    border: none;
    padding: 0 20px;
    border-radius: 100px;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.submit-button:hover {
    opacity: 0.9;
}

.submit-button:active {
    transform: scale(0.96);
}

.paste-button {
    background: var(--neutral-btn-bg);
    color: var(--text-color);
    border: none;
    padding: 0 20px;
    border-radius: 100px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.paste-button:hover {
    background: var(--neutral-btn-hover);
}

.custom-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 54px;
    color: #fff;
    text-decoration: none;
    border-radius: 18px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    box-sizing: border-box;
}

.custom-button:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.25);
}

.custom-button:active {
    transform: translateY(0);
}

.custom-button.sidestore { background-color: rgba(164, 5, 250, 0.6); border-color: rgba(164, 5, 250, 0.8); }
.custom-button.sidestore:hover { background-color: rgba(164, 5, 250, 0.8); }

.custom-button.altstore { background-color: rgba(1, 128, 132, 0.6); border-color: rgba(1, 128, 132, 0.8); }
.custom-button.altstore:hover { background-color: rgba(1, 128, 132, 0.8); }

.custom-button.stikstore { background-color: rgba(59, 134, 247, 0.6); border-color: rgba(59, 134, 247, 0.8); }
.custom-button.stikstore:hover { background-color: rgba(59, 134, 247, 0.8); }

.custom-button.livecontainer { background-color: rgba(7, 132, 252, 0.6); border-color: rgba(7, 132, 252, 0.8); }
.custom-button.livecontainer:hover { background-color: rgba(7, 132, 252, 0.8); }

.custom-button.feather { background-color: rgba(132, 142, 249, 0.6); border-color: rgba(132, 142, 249, 0.8); }
.custom-button.feather:hover { background-color: rgba(132, 142, 249, 0.8); }

.custom-button.neutral { background-color: var(--neutral-btn-bg); color: var(--text-color); }
.custom-button.neutral:hover { background-color: var(--neutral-btn-hover); }

.error {
    color: #ff453a;
    font-size: 0.9rem;
    margin-top: 12px;
    background: rgba(255, 69, 58, 0.1);
    padding: 8px 16px;
    border-radius: 12px;
    border: 1px solid rgba(255, 69, 58, 0.2);
}

.credit {
    margin-top: 20px;
    font-size: 12px;
    color: var(--secondary-text);
    background: var(--glass-bg);
    padding: 8px 12px;
    border-radius: 12px;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
}

.credit a {
    color: var(--text-color);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.credit a:hover {
    opacity: 1;
    text-decoration: underline;
}