:root {
    --apple-blue: #0071e3;
    --apple-bg: #f5f5f7;
    --glass-bg: rgba(255, 255, 255, 0.75);
    --border-color: #d2d2d7;
    --text-main: #1d1d1f;
    --text-secondary: #86868b;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
    background-color: blue;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.apple-container {
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border-radius: 30px;
    padding: 50px;
    width: 90%;
    max-width: 900px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.hidden { display: none !important; }

/* Buttons */
.primary-btn {
    width: 100%;
    background: var(--apple-blue);
    color: white;
    border: none;
    border-radius: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.primary-btn.big-btn {
    padding: 22px;
    font-size: 1.25rem;
}

.primary-btn:hover { background: #0077ed; transform: translateY(-2px); }

/* Upload Box */
.upload-box {
    border: 2px dashed var(--border-color);
    border-radius: 25px;
    padding: 100px 20px;
    text-align: center;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.3);
}

/* Settings Layout */
.settings-layout { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 40px; }

.apple-tabs {
    background: #e5e5ea;
    padding: 4px;
    border-radius: 12px;
    display: flex;
    margin-bottom: 25px;
}

.tab-btn {
    flex: 1; border: none; padding: 12px; border-radius: 10px; cursor: pointer;
    background: none; font-weight: 500;
}

.tab-btn.active { background: white; box-shadow: 0 4px 10px rgba(0,0,0,0.08); }

.input-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin: 20px 0; }
.apple-select, input[type="number"] {
    width: 100%; padding: 14px; border-radius: 12px; border: 1px solid var(--border-color);
}

/* Preview */
.preview-card { background: white; border-radius: 24px; padding: 25px; text-align: center; }
.img-preview {
    height: 280px; background: #fafafa; border-radius: 15px;
    background-size: contain; background-repeat: no-repeat; background-position: center;
    margin-bottom: 20px;
}

/* Loader */
.loader-content { text-align: center; }
.progress-container { background: #e5e5ea; height: 12px; border-radius: 10px; overflow: hidden; margin: 30px 0; }
.progress-bar { background: var(--apple-blue); width: 0%; height: 100%; transition: width 0.2s linear; }
#progressText { font-size: 40px; font-weight: 800; color: var(--apple-blue); }

/* Download Page */
.download-content { text-align: center; }
.success-icon {
    width: 90px; height: 90px; background: #34c759; color: white;
    font-size: 45px; line-height: 90px; border-radius: 50%; margin: 0 auto 20px;
}
.download-card { background: white; padding: 40px; border-radius: 24px; margin: 30px 0; }
.secondary-link { background: none; border: none; color: var(--apple-blue); cursor: pointer; margin-top: 20px; font-size: 16px; }