/* ============================================================
   GŁÓWNY ARKUSZ STYLÓW
   System Puzzli Literkowo-Obrazkowych
   ============================================================
   Zorganizowany w sekcje: zmienne, reset, layout (Grid/Flexbox),
   komponenty (przyciski, formularze, tabele, karty), strona
   logowania, media queries (RWD).
   ============================================================ */

:root {
    --color-primary: #4f46e5;
    --color-primary-dark: #4338ca;
    --color-secondary: #0ea5e9;
    --color-danger: #dc2626;
    --color-success: #16a34a;
    --color-warning: #d97706;
    --color-bg: #f5f6fa;
    --color-panel: #ffffff;
    --color-border: #e2e4ea;
    --color-text: #1f2330;
    --color-text-muted: #6b7280;
    --radius: 10px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Segoe UI', system-ui, -apple-system, Roboto, Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
}

h1, h2, h3 { margin-top: 0; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.text-muted { color: var(--color-text-muted); }

/* ------------------------------------------------------------
   LAYOUT GŁÓWNY (Flexbox)
------------------------------------------------------------ */
.app-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    background: var(--color-panel);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 12px 24px;
    flex-wrap: wrap;
}
.topbar__brand { font-weight: 700; font-size: 1.1rem; }
.topbar__nav { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
.topbar__nav a {
    padding: 8px 14px;
    border-radius: var(--radius);
    color: var(--color-text);
    font-weight: 500;
}
.topbar__nav a:hover { background: var(--color-bg); text-decoration: none; }
.topbar__nav a.is-active { background: var(--color-primary); color: #fff; }
.topbar__user { display: flex; align-items: center; gap: 12px; font-size: 0.9rem; color: var(--color-text-muted); }

.app-content {
    flex: 1;
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
    padding: 28px 24px;
}

.app-footer {
    text-align: center;
    padding: 16px;
    color: var(--color-text-muted);
}

/* ------------------------------------------------------------
   GRID (CSS Grid)
------------------------------------------------------------ */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 20px;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 20px 0;
}
.stat-card {
    background: var(--color-panel);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow);
}
.stat-card__value { font-size: 2rem; font-weight: 700; color: var(--color-primary); }
.stat-card__label { color: var(--color-text-muted); margin-top: 4px; }

/* ------------------------------------------------------------
   PANELE / KARTY
------------------------------------------------------------ */
.panel {
    background: var(--color-panel);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}
.panel__header-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* ------------------------------------------------------------
   FORMULARZE
------------------------------------------------------------ */
.form { display: flex; flex-direction: column; }
.form__label { font-weight: 600; margin: 14px 0 6px; font-size: 0.92rem; }
.form__input {
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 1rem;
    width: 100%;
    background: #fff;
    color: var(--color-text);
}
.form__input:focus { outline: 2px solid var(--color-primary); outline-offset: 1px; }
.form__actions { margin-top: 18px; display: flex; gap: 10px; flex-wrap: wrap; }
.form__message { margin-top: 12px; font-size: 0.92rem; }
.form__message.is-error { color: var(--color-danger); }
.form__message.is-success { color: var(--color-success); }

.search-form__row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.checkbox-group { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.checkbox-pill {
    border: 1px solid var(--color-border);
    border-radius: 999px;
    padding: 8px 14px;
    font-size: 0.88rem;
    cursor: pointer;
    background: #fff;
    user-select: none;
}
.checkbox-pill input { margin-right: 6px; }
.search-results-summary { margin-top: 16px; font-size: 1.05rem; }

/* ------------------------------------------------------------
   PRZYCISKI
------------------------------------------------------------ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 8px;
    padding: 10px 18px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s ease;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover:not(:disabled) { background: var(--color-primary-dark); }
.btn--secondary { background: var(--color-secondary); color: #fff; }
.btn--danger { background: var(--color-danger); color: #fff; }
.btn--ghost { background: transparent; border: 1px solid var(--color-border); color: var(--color-text); }
.btn--full { width: 100%; }
.btn--small { padding: 6px 12px; font-size: 0.82rem; }

/* ------------------------------------------------------------
   TABELE
------------------------------------------------------------ */
.table { width: 100%; border-collapse: collapse; margin-top: 12px; }
.table th, .table td {
    text-align: left;
    padding: 10px 8px;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.92rem;
}
.table th { color: var(--color-text-muted); font-weight: 600; }
.simple-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.simple-list li { display: flex; align-items: center; gap: 10px; justify-content: space-between; }

/* ------------------------------------------------------------
   ALERTY
------------------------------------------------------------ */
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 0.92rem; }
.alert--error { background: #fee2e2; color: #991b1b; }
.alert--warning { background: #fef3c7; color: #92400e; }
.alert--success { background: #dcfce7; color: #166534; }

/* ------------------------------------------------------------
   DRAG & DROP UPLOAD ZONE
------------------------------------------------------------ */
.dropzone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    text-align: center;
    color: var(--color-text-muted);
    background: #fafafe;
    transition: border-color 0.15s ease, background 0.15s ease;
    margin-top: 6px;
    padding: 16px;
}
.dropzone.is-dragover { border-color: var(--color-primary); background: #eef2ff; }
.dropzone__preview { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.dropzone__preview img { max-width: 100%; max-height: 220px; border-radius: 8px; }

.progress-bar { height: 6px; background: var(--color-border); border-radius: 4px; margin-top: 10px; overflow: hidden; }
.progress-bar__fill { height: 100%; width: 0%; background: var(--color-primary); transition: width 0.2s ease; }

/* ------------------------------------------------------------
   PODGLĄD PUZZLA / TAGI ANALIZY
------------------------------------------------------------ */
.puzzle-preview-img { max-width: 100%; border-radius: 8px; border: 1px solid var(--color-border); display: block; margin-top: 10px; }
.analysis-tags { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0; }
.analysis-tags span {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    padding: 4px 12px;
    font-size: 0.82rem;
}

.pdf-layout-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 14px;
}
.pdf-layout-row .form__label { margin: 0; font-size: 0.85rem; white-space: nowrap; }
.form__input--inline { width: auto; padding: 8px 10px; }
.pdf-layout-links { display: inline-flex; gap: 6px; }

/* ------------------------------------------------------------
   STRONA LOGOWANIA
------------------------------------------------------------ */
.login-body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    font-family: 'Segoe UI', system-ui, -apple-system, Roboto, Arial, sans-serif;
}
.login-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
}
.login-card__title { text-align: center; margin-bottom: 4px; }
.login-card__subtitle { text-align: center; color: var(--color-text-muted); margin-bottom: 24px; font-size: 0.92rem; }

/* ------------------------------------------------------------
   RESPONSYWNOŚĆ (RWD)
------------------------------------------------------------ */
@media (max-width: 900px) {
    .grid-2 { grid-template-columns: 1fr; }
    .stat-grid { grid-template-columns: 1fr; }
    .search-form__row { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    .topbar { flex-direction: column; align-items: flex-start; }
    .topbar__nav { width: 100%; }
    .app-content { padding: 16px; }
    .table { font-size: 0.8rem; }
}