/* =========================
   Base & Variables
========================= */

:root {
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-bg: #c9d4df;
    --color-text: #0f172a;
    --color-muted: #64748b;

    --surface: #ffffff;

    --radius: 14px;
    --radius-md: 14px;

    --transition: 0.25s ease;
    --max-width: 480px;

    --font-base: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-base);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* =========================
   Layout
========================= */

.site-header {
    text-align: right;
    padding: 1.5rem 1rem;
}

.site-title {
    margin: 0;
    font-size: 1.8rem;
}

.site-main {
    flex: 1;
    padding: 1rem;
}

.site-footer {
    text-align: center;
    padding: 1.5rem 1rem;
}

.site-footer p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--color-muted);
}

/* =========================
   Shortener Section
========================= */

.shortener {
    width: 100%;
}

.shortener_layout {
    display: flex;
    flex-direction: column;        /* 📱 موبایل: زیر هم */
    gap: 1.5rem;
    width: 100%;
}

/* =========================
   Shortener Card
========================= */

.shortener_container {
    width: 100%;
}

.shortener_card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    width: 100%;
}

.shortener_header h2 {
    margin: 0 0 1rem;
    font-size: 1.2rem;
    text-align: center;
}

/* =========================
   Form
========================= */

.shortener_form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.shortener_field {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.shortener_field span {
    font-size: 0.85rem;
    color: #404751;
}

.shortener_field input {
    padding: 0.65rem 0.75rem;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    font-size: 0.95rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}


.shortener_field input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

/* =========================
   Button
========================= */

.shortener_submit {
    margin-top: 1rem;
    height: 48px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 12px;
    background: var(--color-primary);
    color: white;
    width: 100%;
}


.shortener_submit:hover {
    background-color: var(--color-primary-hover);
}



/* =========================
   Benefits Box
========================= */

.benefits {
    background: rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);

    border-radius: var(--radius-md);
    padding: 1.8rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    border: 1px solid rgba(255,255,255,0.4);

    width: 100%;
    text-align: center;

    display: flex;
    flex-direction: column;
    justify-content: center;   /* وسط عمودی */
    align-items: center;       /* وسط افقی */
}


.benefits_title {
    margin: 0 0 1rem;
    font-size: 1.15rem;
}

.benefits_list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;

    display: flex;
    flex-direction: column;
    gap: 0.7rem;

    align-items: center; /* آیتم‌ها وسط */
}


.benefits_list li {
    font-size: 0.9rem;
    color: #404751;
}

.benefits_cta {
    width: 100%;
    max-width: 220px;
    text-align: center;
    padding: 0.7rem;
    border-radius: 999px;

    background-color: var(--color-primary);
    color: #fff;
    text-decoration: none;
    font-size: 0.95rem;
}


.benefits_cta:hover {
    background-color: var(--color-primary-hover);
}

.benefits_cta:active {
    transform: scale(0.97);
}


/* =========================
   Responsive (Tablet+)
========================= */

@media (min-width: 768px) {

    .site-title {
        font-size: 2rem;
    }

    .shortener_layout {
        flex-direction: row;      /* 🖥 دسکتاپ: کنار هم */
        max-width: 900px;
        margin: 0 auto;
        align-items: stretch;
    }

    .shortener_container {
        flex: 2;
        max-width: 480px;
    }

    .benefits {
        flex: 1;
        max-width: 360px;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.form-input {
    padding: 0.65rem 0.75rem;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    background-color: #f8fafc;
    font-size: 0.95rem;
}

.form-actions {
    display: flex;
    gap: 0.5rem;
}

.btn {
    flex: 1;
    height: 42px;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border: none;

    display: flex;
    align-items: center;
    justify-content: center;

    text-decoration: none;
    transition: background-color var(--transition), transform 0.15s ease;
}

.btn:active {
    transform: scale(0.97);
}

.btn.is-primary {
    background-color: var(--color-primary);
    color: #ffffff;
}

.btn.is-primary:hover {
    background-color: var(--color-primary-hover);
}

.btn.is-secondary {
    background-color: #eef2ff;
    color: #1e3a8a;
}

.btn.is-secondary:hover {
    background-color: #e0e7ff;
}


.copy-message {
    font-size: 0.75rem;
    color: #16a34a;
    display: none;
}


.result-actions {
    display: flex;
    gap: 0.6rem;
}



.result-box {
    margin-top: 1.2rem;
    padding: 1rem;
    border-radius: var(--radius);
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;

    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.result-box.hidden {
    display: none;
}


.result-input {
    width: 100%;
    height: 42px;
    padding: 0 0.75rem;
    border-radius: 10px;
    border: 1px solid #cbd5e1;
    
    background-color: #ffffff;

    font-size: 0.95rem;
    font-family: var(--font-base);
    text-align: center;
    color: #0f172a !important;
    -webkit-text-fill-color: #0f172a !important;

    opacity: 1;
}