/* style.css */

* {
    box-sizing: border-box;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
    margin: 0;
    padding: 0;
    background: #050816;
    color: #e5e7eb;
}

.top-header {
    width: 100%;
    text-align: center;
    padding: 14px 0;
    background: #0b0f19;
    color: #10a37f;
    font-size: 20px;
    letter-spacing: 2px;
    font-weight: bold;
    border-bottom: 1px solid #1f2937;
}

.page {
    min-height: calc(100vh - 60px);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 24px;
}

.card {
    background: #151718;
    border-radius: 18px;
    padding: 24px 28px;
    max-width: 520px;
    width: 100%;
    box-shadow: 0 20px 40px rgba(0,0,0,0.45);
    border: 1px solid #2f3133;
    margin-top: 30px;
}

h1 {
    margin-top: 0;
    margin-bottom: 8px;
    font-size: 24px;
    color: #f9fafb;
}

h2 {
    margin-top: 0;
    color: #f9fafb;
}

.subtitle {
    margin: 0 0 20px;
    font-size: 14px;
    color: #9ca3af;
}

.upload-form {
    margin-top: 18px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.file-label {
    font-size: 14px;
    color: #d1d5db;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.file-label input[type="file"] {
    padding: 8px;
    background: #0f172a;
    border-radius: 10px;
    border: 1px solid #374151;
    color: #e5e7eb;
}

.btn-primary {
    display: inline-block;
    margin-top: 4px;
    padding: 10px 16px;
    border-radius: 999px;
    border: none;
    background: #10a37f;
    color: #f9fafb;
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: background 0.15s ease, transform 0.08s ease;
}

.btn-primary:hover {
    background: #0f8a6b;
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

.note {
    margin-top: 12px;
    font-size: 12px;
    color: #6b7280;
}

.alert {
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 13px;
    margin-bottom: 12px;
}

.alert-error {
    background: #451a1a;
    color: #fecaca;
    border: 1px solid #7f1d1d;
}

.success-section {
    margin-bottom: 18px;
    padding: 12px 14px;
    border-radius: 14px;
    background: #0b1120;
    border: 1px solid #1f2937;
}

.download-link-box {
    margin-top: 8px;
    display: flex;
    gap: 8px;
}

.download-link-box input {
    flex: 1;
    padding: 8px 10px;
    border-radius: 999px;
    border: 1px solid #374151;
    background: #020617;
    color: #e5e7eb;
    font-size: 13px;
}

.download-link-box button {
    padding: 8px 14px;
    border-radius: 999px;
    border: none;
    background: #111827;
    color: #e5e7eb;
    font-size: 13px;
    cursor: pointer;
    transition: background 0.15s ease;
}

.download-link-box button:hover {
    background: #1f2937;
}

.qr-box {
    margin-top: 10px;
    display: flex;
    justify-content: center;
}

.qr-box img {
    border-radius: 12px;
    background: #f9fafb;
    padding: 6px;
}

/* Footer */
.footer {
    padding: 16px;
    text-align: center;
    font-size: 12px;
    color: #9ca3af;
    background: #020617;
    border-top: 1px solid #111827;
}

.footer-inner {
    max-width: 720px;
    margin: 0 auto;
    line-height: 1.6;
}

/* تحسين الموبايل */
@media (max-width: 640px) {
    .page {
        padding: 16px;
    }

    .card {
        margin-top: 20px;
        padding: 20px 18px;
        border-radius: 16px;
    }

    .download-link-box {
        flex-direction: column;
    }

    .download-link-box input,
    .download-link-box button {
        width: 100%;
    }

    h1 {
        font-size: 20px;
    }

    .subtitle {
        font-size: 13px;
    }
}