/* ============================================================
   DocMaker — Modern UI  (Notion / Linear inspired + Dark Mode)
   ============================================================ */

/* ── CSS Variables ───────────────────────────────────────── */
:root {
    --bg-gradient:    linear-gradient(135deg, #f6f8fd 0%, #f1f5f9 100%);
    --card-bg:        #ffffff;
    --text-main:      #334155;
    --text-muted:     #64748b;
    --border-color:   #e2e8f0;
    --primary-color:  #2563eb;
    --primary-hover:  #1d4ed8;
    --focus-ring:     rgba(37, 99, 235, 0.2);
    --shadow-soft:    0 10px 25px -5px rgba(0,0,0,.05), 0 8px 10px -6px rgba(0,0,0,.01);
    --shadow-hover:   0 20px 25px -5px rgba(0,0,0,.10), 0 8px 10px -6px rgba(0,0,0,.05);
    --input-bg:       #f8fafc;
    --icon-moon:      inline;
    --icon-sun:       none;
    --modal-bg:       rgba(0,0,0,.4);
    --pdf-color:      #ef4444;
    --docx-color:     #2563eb;
    --docx-bg:        rgba(37,99,235,.08);
    --pdf-bg:         rgba(239,68,68,.08);
}

[data-theme="dark"] {
    --bg-gradient:    linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --card-bg:        #1e293b;
    --text-main:      #f8fafc;
    --text-muted:     #94a3b8;
    --border-color:   #334155;
    --primary-color:  #3b82f6;
    --primary-hover:  #60a5fa;
    --focus-ring:     rgba(59,130,246,.25);
    --shadow-soft:    0 10px 25px -5px rgba(0,0,0,.30), 0 8px 10px -6px rgba(0,0,0,.20);
    --shadow-hover:   0 20px 25px -5px rgba(0,0,0,.40), 0 8px 10px -6px rgba(0,0,0,.25);
    --input-bg:       #0f172a;
    --icon-moon:      none;
    --icon-sun:       inline;
    --modal-bg:       rgba(0,0,0,.6);
    --pdf-bg:         rgba(239,68,68,.12);
    --docx-bg:        rgba(59,130,246,.12);
}

/* ── Reset ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Typography ──────────────────────────────────────────── */
html[dir="rtl"] body { font-family: 'Tajawal', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; }
html[dir="ltr"] body { font-family: 'Inter',   -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; }

/* ── Body ────────────────────────────────────────────────── */
body {
    background: var(--bg-gradient);
    background-attachment: fixed;
    color: var(--text-main);
    line-height: 1.6;
    display: flex;
    justify-content: center;
    padding: 3rem 1rem;
    min-height: 100vh;
    transition: background .4s ease, color .4s ease;
}

/* ── Animations ──────────────────────────────────────────── */
.fade-in      { animation: fadeIn .6s cubic-bezier(.16,1,.3,1) forwards; opacity:0; transform:translateY(20px); }
.fade-in-fast { animation: fadeIn .3s cubic-bezier(.16,1,.3,1) forwards; opacity:0; transform:translateY(10px); }

@keyframes fadeIn { to { opacity:1; transform:translateY(0); } }

/* ── Layout ──────────────────────────────────────────────── */
.app-container {
    width: 100%;
    max-width: 800px;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* ── Header ──────────────────────────────────────────────── */
.app-header { text-align: center; }

.header-top {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin-bottom: .5rem;
}

.app-header h1 { font-size: 2.8rem; font-weight: 700; color: var(--text-main); }
.app-header p  { color: var(--text-muted); font-size: 1.15rem; }

/* Controls (lang + theme) */
.controls-wrapper {
    position: absolute;
    display: flex;
    align-items: center;
    gap: .8rem;
}
html[dir="rtl"] .controls-wrapper { left: 0; }
html[dir="ltr"]  .controls-wrapper { right: 0; }

.lang-switch {
    background: var(--input-bg);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: .4rem .6rem;
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    outline: none;
    transition: border-color .2s ease;
}
.lang-switch:hover { border-color: var(--text-muted); }

.theme-toggle {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: .5rem;
    border-radius: 50%;
    transition: transform .2s ease, background .2s ease;
    min-width: auto;
}
.theme-toggle:hover { background: var(--input-bg); transform: scale(1.1); }
.theme-toggle .icon-moon { display: var(--icon-moon); }
.theme-toggle .icon-sun  { display: var(--icon-sun); }

/* ── Panel card ──────────────────────────────────────────── */
.preferences-panel {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-color);
    transition: box-shadow .3s ease, background .4s ease, border-color .4s ease;
}
.preferences-panel:hover { box-shadow: var(--shadow-hover); }

/* ── Settings grid ───────────────────────────────────────── */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.setting-group {
    display: flex;
    flex-direction: column;
    gap: .75rem;
}

.setting-group.full-width { grid-column: 1 / -1; }

label {
    font-size: .95rem;
    font-weight: 700;
    color: var(--text-main);
}

/* ── Color pickers ───────────────────────────────────────── */
.color-picker-wrapper { display: flex; align-items: center; gap: 1.2rem; }

input[type="color"] {
    -webkit-appearance: none;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 12px;
    cursor: pointer;
    overflow: hidden;
    padding: 0;
    background: transparent;
    transition: transform .2s ease;
}
input[type="color"]:hover                    { transform: scale(1.05); }
input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
input[type="color"]::-webkit-color-swatch  { border: 2px solid var(--border-color); border-radius: 12px; }

.suggested-colors { display: flex; gap: .75rem; }

.color-swatch {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    cursor: pointer;
    transition: transform .2s ease, box-shadow .2s ease;
    border: 2px solid transparent;
}
.color-swatch:hover {
    transform: scale(1.15);
    box-shadow: 0 0 0 2px var(--card-bg), 0 0 0 4px var(--text-muted);
}

/* ── Document Name input ─────────────────────────────────── */
.doc-name-input {
    width: 100%;
    padding: .85rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    background: var(--input-bg);
    color: var(--text-main);
    outline: none;
    transition: border-color .3s ease, box-shadow .3s ease, background .3s ease;
}
.doc-name-input::placeholder { color: var(--text-muted); opacity: .75; }
.doc-name-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--focus-ring);
    background: var(--card-bg);
}
.doc-name-input:hover:not(:focus) { border-color: var(--text-muted); }

/* ── Format selector ─────────────────────────────────────── */
.format-selector {
    display: flex;
    background: var(--input-bg);
    padding: 5px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    gap: 4px;
}

.format-selector input[type="radio"] { display: none; }

.format-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .45rem;
    padding: .7rem 1rem;
    border-radius: 8px;
    font-size: .95rem;
    font-weight: 700;
    color: var(--text-muted);
    cursor: pointer;
    transition: all .25s ease;
    user-select: none;
}
.format-tab svg { flex-shrink: 0; transition: stroke .25s ease; }

/* PDF tab active */
#format-pdf:checked + .format-tab {
    background: var(--pdf-bg);
    color: var(--pdf-color);
    box-shadow: 0 2px 8px rgba(239,68,68,.15);
}
#format-pdf:checked + .format-tab svg { stroke: var(--pdf-color); }

/* DOCX tab active */
#format-docx:checked + .format-tab {
    background: var(--docx-bg);
    color: var(--docx-color);
    box-shadow: 0 2px 8px rgba(37,99,235,.15);
}
#format-docx:checked + .format-tab svg { stroke: var(--docx-color); }

.format-tab:hover { background: var(--input-bg); opacity: .85; }
#format-pdf:checked  + .format-tab:hover,
#format-docx:checked + .format-tab:hover { opacity: 1; }

/* ── Segmented control (font size) ───────────────────────── */
.segmented-control {
    display: flex;
    background: var(--input-bg);
    padding: 6px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}
.segmented-control input[type="radio"] { display: none; }

.segmented-control label {
    flex: 1;
    text-align: center;
    padding: .8rem;
    cursor: pointer;
    border-radius: 8px;
    font-size: .95rem;
    font-weight: 700;
    color: var(--text-muted);
    transition: all .3s ease;
}
.segmented-control input[type="radio"]:checked + label {
    background: var(--card-bg);
    color: var(--primary-color);
    box-shadow: 0 2px 6px rgba(0,0,0,.05);
}

/* ── Content area ────────────────────────────────────────── */
.content-group { margin-bottom: 2rem; }

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: -.25rem;
}

.help-btn {
    background: transparent;
    border: none;
    color: var(--primary-color);
    font-family: inherit;
    font-size: .85rem;
    font-weight: 700;
    cursor: pointer;
    padding: .2rem .5rem;
    border-radius: 6px;
    transition: background .2s ease;
}
.help-btn:hover { background: var(--focus-ring); }

textarea {
    width: 100%;
    min-height: 260px;
    padding: 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: 16px;
    font-family: inherit;
    font-size: 1.05rem;
    resize: vertical;
    transition: all .3s ease;
    background: var(--input-bg);
    color: var(--text-main);
    line-height: 1.8;
}
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--focus-ring);
    background: var(--card-bg);
}

/* ── Action footer ───────────────────────────────────────── */
.action-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Filename preview chip */
.filename-preview {
    font-size: .85rem;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: .45rem .8rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 55%;
    font-family: monospace;
    transition: background .3s ease, border-color .3s ease;
}

button[type="submit"] {
    background: var(--primary-color);
    color: #fff;
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-family: inherit;
    font-weight: 700;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .8rem;
    min-width: 180px;
    transition: background .3s ease, transform .2s cubic-bezier(.34,1.56,.64,1), box-shadow .3s ease;
    box-shadow: 0 4px 14px rgba(37,99,235,.4);
}
button[type="submit"]:hover   { background: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,99,235,.5); }
button[type="submit"]:active  { transform: translateY(1px); box-shadow: 0 2px 8px rgba(37,99,235,.4); }
button[type="submit"]:disabled { background: var(--text-muted); cursor: not-allowed; box-shadow: none; transform: none; }

/* ── Loader spinner ──────────────────────────────────────── */
.loader {
    width: 22px; height: 22px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: spin 1s ease-in-out infinite;
}
.hidden { display: none !important; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Footer ──────────────────────────────────────────────── */
.app-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.signature            { font-size: 1rem; font-weight: 700; color: var(--text-muted); }
.signature span       { color: var(--primary-color); }
.prayer               { font-size: .95rem; color: var(--text-muted); font-style: italic; opacity: .85; }

/* ── Toast ───────────────────────────────────────────────── */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background: #ef4444;
    color: white;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 700;
    box-shadow: 0 10px 25px rgba(239,68,68,.4);
    z-index: 1000;
    transition: opacity .4s ease, transform .4s cubic-bezier(.34,1.56,.64,1);
}
.toast.hidden { opacity: 0; pointer-events: none; transform: translate(-50%, 20px); }

/* ── Modal ───────────────────────────────────────────────── */
.modal {
    position: fixed; z-index: 2000;
    left: 0; top: 0; width: 100%; height: 100%;
    background: var(--modal-bg);
    display: flex; align-items: center; justify-content: center;
    backdrop-filter: blur(4px);
    transition: opacity .3s ease;
}
.modal.hidden { opacity: 0; pointer-events: none; }

.modal-content {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 20px;
    width: 90%; max-width: 500px;
    box-shadow: var(--shadow-hover);
    border: 1px solid var(--border-color);
    position: relative;
    color: var(--text-main);
}

.close-modal {
    position: absolute; top: 1rem; right: 1.5rem;
    color: var(--text-muted); font-size: 2rem; font-weight: bold;
    cursor: pointer; transition: color .2s ease;
}
html[dir="rtl"] .close-modal { left: 1.5rem; right: auto; }
.close-modal:hover { color: var(--primary-color); }

.modal-content h2 { margin-bottom: 1rem; font-size: 1.5rem; color: var(--text-main); }

.instructions-list {
    list-style: none; margin-top: 1rem;
    display: flex; flex-direction: column; gap: 1rem;
}
.instructions-list li { display: flex; flex-wrap: wrap; align-items: center; gap: .8rem; font-size: 1rem; }
.instructions-list code {
    background: var(--input-bg); padding: .3rem .6rem;
    border-radius: 6px; border: 1px solid var(--border-color);
    color: var(--primary-color); font-family: monospace; font-weight: bold;
}

/* ============================================================
   📱  Mobile
   ============================================================ */
@media (max-width: 768px) {
    body { padding: 1.5rem .8rem; }

    .app-header h1 { font-size: 2.2rem; }
    .app-header p  { font-size: 1.05rem; padding: 0 1rem; }

    .header-top { flex-direction: column; gap: 1.5rem; }

    .controls-wrapper,
    html[dir="rtl"] .controls-wrapper,
    html[dir="ltr"]  .controls-wrapper {
        position: relative; left: unset; right: unset;
        margin: 0 auto;
        background: var(--input-bg);
        padding: .6rem 1rem; border-radius: 30px;
        box-shadow: 0 4px 12px rgba(0,0,0,.08);
        border: 1px solid var(--border-color);
        width: max-content; max-width: 100%;
    }

    .preferences-panel { padding: 1.5rem; border-radius: 16px; }

    .settings-grid { grid-template-columns: 1fr; gap: 1.5rem; }

    .color-picker-wrapper { justify-content: space-between; }

    .doc-name-input { font-size: .95rem; }

    .format-selector { padding: 4px; }
    .format-tab      { padding: .65rem .6rem; font-size: .9rem; }

    textarea {
        min-height: 220px;
        padding: 1rem;
        font-size: 1rem;
    }

    /* Filename preview + button stack on mobile */
    .action-footer     { flex-direction: column; align-items: stretch; }
    .filename-preview  { max-width: 100%; text-align: center; }

    button[type="submit"] {
        width: 100%;
        padding: 1.2rem;
        font-size: 1.25rem;
        border-radius: 16px;
        margin-top: .5rem;
        box-shadow: 0 8px 25px rgba(37,99,235,.4);
    }

    .app-footer { margin-top: 1rem; padding-top: 1.5rem; padding-bottom: 2rem; }
    .toast      { width: 90%; text-align: center; bottom: 1rem; }

    .modal-content {
        width: 100%; height: 100%; max-width: 100%;
        border-radius: 0; padding: 2.5rem 1.5rem;
        display: flex; flex-direction: column;
        justify-content: flex-start; overflow-y: auto;
    }

    .close-modal,
    html[dir="rtl"] .close-modal { top: 1rem; left: 1.5rem; right: auto; }
    html[dir="ltr"]  .close-modal { left: auto; right: 1.5rem; }
}