/* =====================================================================
   Akademia Studio Figura – motyw Bootstrap 5
   Paleta z motywu studiofigura.com.pl: miedź #FF9100, złoto #FFAF45,
   głęboka czerń #100707, grafit #4C4545, krem #FFFDF8 + pudrowy róż.
   ===================================================================== */
:root {
    --sf-copper: #FF9100;
    --sf-copper-dark: #D97A00;
    --sf-gold: #FFAF45;
    --sf-gold-soft: #FFF1DC;
    --sf-blush: #F9E9E4;
    --sf-blush-deep: #E8C3B9;
    --sf-ink: #100707;
    --sf-text: #4C4545;
    --sf-muted: #8E8888;
    --sf-line: #EFE9E4;
    --sf-bg: #FFFDF8;
    --sf-card: #FFFFFF;
    --sf-success: #3E9B6E;
    --sf-danger: #D2474C;

    --sf-gradient: linear-gradient(135deg, var(--sf-copper) 0%, var(--sf-gold) 100%);
    --sf-radius: 24px;
    --sf-radius-sm: 14px;
    --sf-pill: 64px;
    --sf-shadow: 0 0 24px 0 rgba(16, 7, 7, .06);
    --sf-shadow-lg: 0 18px 48px -18px rgba(16, 7, 7, .18);
    --sf-sidebar-w: 268px;

    /* Nadpisania Bootstrapa */
    --bs-body-font-family: 'Poppins', system-ui, -apple-system, 'Segoe UI', sans-serif;
    --bs-body-color: var(--sf-text);
    --bs-body-bg: var(--sf-bg);
    --bs-emphasis-color: var(--sf-ink);
    --bs-heading-color: var(--sf-ink);
    --bs-primary: var(--sf-copper);
    --bs-primary-rgb: 255, 145, 0;
    --bs-link-color: var(--sf-copper-dark);
    --bs-link-color-rgb: 217, 122, 0;
    --bs-link-hover-color: var(--sf-ink);
    --bs-border-color: var(--sf-line);
    --bs-border-radius: var(--sf-radius-sm);
    --bs-border-radius-lg: var(--sf-radius);
    --bs-secondary-color: var(--sf-muted);
    --bs-focus-ring-color: rgba(255, 145, 0, .25);
}

body { font-weight: 400; -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, h5, h6 { font-weight: 600; letter-spacing: -.01em; }
.sf-display { font-family: 'Playfair Display', Georgia, serif; font-weight: 500; letter-spacing: 0; }
.sf-eyebrow {
    display: inline-block; font-size: .72rem; font-weight: 600; letter-spacing: .16em;
    text-transform: uppercase; color: var(--sf-copper-dark); margin-bottom: .35rem;
}
.sf-link { color: var(--sf-copper-dark); text-decoration: none; font-weight: 500; }
.sf-link:hover { color: var(--sf-ink); }
.min-w-0 { min-width: 0; }

/* ---------------------------------------------------------- Przyciski */
.btn { border-radius: var(--sf-pill); font-weight: 500; padding: .6rem 1.4rem; transition: all .2s ease; }
.btn-sm { padding: .4rem 1rem; font-size: .82rem; }
.btn-lg { padding: .85rem 1.8rem; font-size: 1rem; }
.btn-primary {
    --bs-btn-color: var(--sf-ink); --bs-btn-bg: var(--sf-copper); --bs-btn-border-color: var(--sf-copper);
    --bs-btn-hover-color: var(--sf-ink); --bs-btn-hover-bg: var(--sf-gold); --bs-btn-hover-border-color: var(--sf-gold);
    --bs-btn-active-color: var(--sf-ink); --bs-btn-active-bg: var(--sf-copper-dark); --bs-btn-active-border-color: var(--sf-copper-dark);
    --bs-btn-disabled-color: var(--sf-ink); --bs-btn-disabled-bg: var(--sf-gold); --bs-btn-disabled-border-color: var(--sf-gold);
    box-shadow: 0 8px 20px -10px rgba(255, 145, 0, .8);
}
.btn-primary:hover { transform: translateY(-1px); }
.btn-outline-dark {
    --bs-btn-color: var(--sf-ink); --bs-btn-border-color: var(--sf-line);
    --bs-btn-hover-bg: var(--sf-ink); --bs-btn-hover-border-color: var(--sf-ink); --bs-btn-hover-color: #fff;
    background: #fff;
}
.btn-dark { --bs-btn-bg: var(--sf-ink); --bs-btn-border-color: var(--sf-ink); }
.btn-icon { border-radius: 50%; width: 42px; height: 42px; padding: 0; display: inline-flex; align-items: center; justify-content: center; }

/* ---------------------------------------------------------- Formularze */
.form-control, .form-select {
    border-radius: var(--sf-radius-sm); border-color: var(--sf-line); padding: .7rem 1rem; background-color: #fff;
}
.form-select { padding-right: 2.6rem; }
.form-control-sm, .form-select-sm { padding: .4rem .75rem; }
.form-select-sm { padding-right: 2.2rem; }
.form-control:focus, .form-select:focus { border-color: var(--sf-gold); box-shadow: 0 0 0 .25rem rgba(255, 175, 69, .2); }
.form-floating > .form-control { padding: 1rem 1rem; height: calc(3.6rem + 2px); }
.form-floating > label { padding: 1.1rem 1rem; color: var(--sf-muted); }
.form-check-input:checked { background-color: var(--sf-copper); border-color: var(--sf-copper); }
.form-check-input:focus { box-shadow: 0 0 0 .25rem rgba(255, 145, 0, .2); border-color: var(--sf-gold); }
.form-label { font-weight: 500; font-size: .875rem; color: var(--sf-ink); }
.sf-pass-toggle {
    position: absolute; right: .75rem; top: 50%; transform: translateY(-50%);
    border: 0; background: transparent; color: var(--sf-muted); padding: .35rem .5rem; z-index: 5;
}

/* ---------------------------------------------------------- Karty, tabele, badge */
.card { border: 1px solid var(--sf-line); border-radius: var(--sf-radius); box-shadow: var(--sf-shadow); background: var(--sf-card); overflow: hidden; }
.card-header { background: transparent; border-bottom: 1px solid var(--sf-line); padding: 1.1rem 1.4rem; }
.card-body { padding: 1.4rem; }
.alert { border-radius: var(--sf-radius-sm); border: 0; }
.alert-success { background: #E9F6EF; color: #22613f; }
.alert-danger  { background: #FBE9EA; color: #8e2226; }
.alert-warning { background: var(--sf-gold-soft); color: #7a4a00; }
.alert-info    { background: var(--sf-blush); color: var(--sf-ink); }

.sf-table { --bs-table-bg: transparent; font-size: .875rem; }
.sf-table thead th {
    font-size: .7rem; text-transform: uppercase; letter-spacing: .1em; color: var(--sf-muted);
    font-weight: 600; border-bottom-color: var(--sf-line); padding: .9rem 1.4rem; white-space: nowrap;
}
.sf-table td { padding: .85rem 1.4rem; border-bottom-color: var(--sf-line); }
.sf-table tbody tr:last-child td { border-bottom: 0; }
.sf-table tbody tr:hover td { background: #FFFBF4; }

.sf-badge { display: inline-flex; align-items: center; gap: .3rem; padding: .28rem .7rem; border-radius: var(--sf-pill); font-size: .74rem; font-weight: 500; white-space: nowrap; }
.sf-badge--soft    { background: var(--sf-blush); color: var(--sf-ink); }
.sf-badge--gold    { background: var(--sf-gold-soft); color: #8a5300; }
.sf-badge--success { background: #E9F6EF; color: #22613f; }
.sf-badge--danger  { background: #FBE9EA; color: #8e2226; }
.sf-badge--muted   { background: #F3F1EF; color: var(--sf-muted); }

.sf-empty { text-align: center; padding: 2.5rem 1.5rem; color: var(--sf-muted); }
.sf-empty i { font-size: 2rem; color: var(--sf-blush-deep); display: block; margin-bottom: .5rem; }
.sf-empty p { margin: 0; }

.sf-avatar {
    width: 42px; height: 42px; border-radius: 50%; flex-shrink: 0;
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--sf-gradient); color: var(--sf-ink); font-weight: 600; font-size: .85rem;
}
.sf-avatar--sm { width: 34px; height: 34px; font-size: .75rem; }

.sf-progress { height: 8px; border-radius: var(--sf-pill); background: var(--sf-blush); }
.sf-progress .progress-bar { background: var(--sf-gradient); border-radius: var(--sf-pill); }

/* ---------------------------------------------------------- Layout aplikacji */
.sf-shell { display: flex; min-height: 100vh; }
.sf-sidebar {
    width: var(--sf-sidebar-w); flex-shrink: 0; background: #fff; border-right: 1px solid var(--sf-line);
    display: flex; flex-direction: column; padding: 1.5rem 1rem;
}
@media (min-width: 992px) {
    .sf-sidebar { position: sticky; top: 0; height: 100vh; overflow-y: auto; }
}
@media (max-width: 991.98px) {
    .sf-sidebar.offcanvas-lg { --bs-offcanvas-width: var(--sf-sidebar-w); }
}
.sf-sidebar__brand { display: flex; align-items: center; gap: .6rem; padding: 0 .6rem 1.5rem; }
.sf-sidebar__tag {
    font-size: .62rem; letter-spacing: .18em; text-transform: uppercase; font-weight: 600;
    padding: .2rem .55rem; border-radius: var(--sf-pill); background: var(--sf-blush); color: var(--sf-ink);
}
.sf-nav { flex: 1; }
.sf-nav__label { font-size: .66rem; letter-spacing: .16em; text-transform: uppercase; color: var(--sf-muted); font-weight: 600; padding: 1.2rem .9rem .5rem; }
.sf-nav__link {
    display: flex; align-items: center; gap: .8rem; padding: .7rem .9rem; margin-bottom: 2px;
    border-radius: var(--sf-radius-sm); color: var(--sf-text); text-decoration: none; font-size: .9rem; font-weight: 500;
    transition: background .15s, color .15s;
}
.sf-nav__link i { font-size: 1.05rem; color: var(--sf-muted); transition: color .15s; }
.sf-nav__link:hover { background: var(--sf-bg); color: var(--sf-ink); }
.sf-nav__link.active { background: var(--sf-ink); color: #fff; }
.sf-nav__link.active i { color: var(--sf-gold); }
.sf-sidebar__footer { border-top: 1px solid var(--sf-line); padding: 1.2rem .5rem 0; }
.sf-user { display: flex; align-items: center; gap: .75rem; }
.sf-user__meta { min-width: 0; line-height: 1.25; }
.sf-user__meta strong { display: block; font-size: .85rem; color: var(--sf-ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sf-user__meta small { color: var(--sf-muted); font-size: .75rem; }

.sf-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.sf-topbar {
    position: sticky; top: 0; z-index: 1020; display: flex; align-items: center; gap: .75rem;
    padding: 1rem 2rem; background: rgba(255, 253, 248, .85); backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--sf-line);
}
.sf-topbar__title { font-size: 1.05rem; margin: 0; font-weight: 600; }
.sf-content { padding: 2rem; width: 100%; }
@media (max-width: 575.98px) {
    .sf-topbar { padding: .75rem 1rem; }
    .sf-content { padding: 1.25rem 1rem; }
}

/* ---------------------------------------------------------- Hero, statystyki */
.sf-hero {
    display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap;
    padding: 2rem; border-radius: var(--sf-radius);
    background:
        radial-gradient(circle at 100% 0%, rgba(255, 175, 69, .28), transparent 55%),
        radial-gradient(circle at 0% 100%, rgba(232, 195, 185, .45), transparent 55%),
        #fff;
    border: 1px solid var(--sf-line); box-shadow: var(--sf-shadow);
}
.sf-hero h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }

.sf-stat .card-body { padding: 1.25rem; }
.sf-stat__icon {
    width: 40px; height: 40px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center;
    background: var(--sf-gold-soft); color: var(--sf-copper-dark); font-size: 1.1rem; margin-bottom: .9rem;
}
.sf-stat__value { font-size: 1.6rem; font-weight: 600; color: var(--sf-ink); line-height: 1.1; }
.sf-stat__label { font-size: .8rem; color: var(--sf-muted); margin-top: .25rem; }
.sf-stat__hint { font-size: .7rem; color: var(--sf-blush-deep); margin-top: .15rem; }

/* Pierścień postępu (conic-gradient, bez JS) */
.sf-ring {
    --p: 0; --size: 120px;
    width: var(--size); height: var(--size); border-radius: 50%; flex-shrink: 0;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    background:
        radial-gradient(closest-side, #fff 78%, transparent 80% 100%),
        conic-gradient(var(--sf-copper) calc(var(--p) * 1%), var(--sf-blush) 0);
}
.sf-ring span { font-size: 1.6rem; font-weight: 600; color: var(--sf-ink); line-height: 1; }
.sf-ring small { font-size: .7rem; color: var(--sf-muted); }

/* ---------------------------------------------------------- Karty kursów */
.sf-course { transition: transform .2s ease, box-shadow .2s ease; }
.sf-course:hover { transform: translateY(-3px); box-shadow: var(--sf-shadow-lg); }
.sf-course__cover {
    position: relative; aspect-ratio: 16 / 8; background: var(--sf-gradient) center / cover no-repeat;
    display: flex; align-items: flex-start; gap: .4rem; padding: 1rem;
}
.sf-chip {
    font-size: .7rem; font-weight: 500; padding: .3rem .75rem; border-radius: var(--sf-pill);
    background: rgba(255, 255, 255, .92); color: var(--sf-ink); backdrop-filter: blur(4px);
}
.sf-chip--done { background: var(--sf-ink); color: #fff; }

/* ---------------------------------------------------------- Ekran logowania */
.sf-auth {
    min-height: 100vh;
    background:
        radial-gradient(ellipse at 15% 10%, rgba(255, 175, 69, .25), transparent 50%),
        radial-gradient(ellipse at 85% 90%, rgba(232, 195, 185, .55), transparent 50%),
        var(--sf-bg);
}
.sf-auth__wrap { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 2rem 1rem; }
.sf-auth__card {
    width: 100%; max-width: 440px; background: #fff; border-radius: 32px; padding: 2.75rem 2.25rem;
    box-shadow: var(--sf-shadow-lg); border: 1px solid var(--sf-line);
}
.sf-auth__logo { display: block; text-align: center; margin-bottom: 2rem; }
.sf-auth__foot { margin-top: 1.5rem; font-size: .75rem; color: var(--sf-muted); }
.sf-error-code {
    font-family: 'Playfair Display', serif; font-size: 4.5rem; line-height: 1;
    background: var(--sf-gradient); -webkit-background-clip: text; background-clip: text; color: transparent;
}