/* =====================================================================
   TABATA HELPER – style własne (skompilowane z SCSS)
   Ładowane po Bootstrap CSS
   ===================================================================== */

/* ---------- Czcionki ---------- */
@font-face {
    font-family: 'Oswald';
    src: url('../fonts/Oswald-ExtraLight.ttf') format('truetype');
    font-weight: 200; font-display: swap;
}
@font-face {
    font-family: 'Oswald';
    src: url('../fonts/Oswald-Light.ttf') format('truetype');
    font-weight: 300; font-display: swap;
}
@font-face {
    font-family: 'Oswald';
    src: url('../fonts/Oswald-Regular.ttf') format('truetype');
    font-weight: 400; font-display: swap;
}
@font-face {
    font-family: 'Oswald';
    src: url('../fonts/Oswald-Medium.ttf') format('truetype');
    font-weight: 500; font-display: swap;
}
@font-face {
    font-family: 'Oswald';
    src: url('../fonts/Oswald-SemiBold.ttf') format('truetype');
    font-weight: 600; font-display: swap;
}
@font-face {
    font-family: 'Oswald';
    src: url('../fonts/Oswald-Bold.ttf') format('truetype');
    font-weight: 700; font-display: swap;
}
@font-face {
    font-family: 'Fira Code';
    src: url('../fonts/FiraCode-Light.ttf') format('truetype');
    font-weight: 300; font-display: swap;
}
@font-face {
    font-family: 'Fira Code';
    src: url('../fonts/FiraCode-Regular.ttf') format('truetype');
    font-weight: 400; font-display: swap;
}
@font-face {
    font-family: 'Fira Code';
    src: url('../fonts/FiraCode-Medium.ttf') format('truetype');
    font-weight: 500; font-display: swap;
}
@font-face {
    font-family: 'Fira Code';
    src: url('../fonts/FiraCode-SemiBold.ttf') format('truetype');
    font-weight: 600; font-display: swap;
}
@font-face {
    font-family: 'Fira Code';
    src: url('../fonts/FiraCode-Bold.ttf') format('truetype');
    font-weight: 700; font-display: swap;
}

/* ---------- Zmienne CSS ---------- */
:root {
    --primary:       #29bfff;
    --bg:            #121212;
    --bg-card:       #1a1a1a;
    --bg-header:     #141414;
    --bg-input:      #0d0d0d;
    --border:        #2a2a2a;
    --border-p:      rgba(41, 191, 255, 0.4);
    --color-work:    #ff6b35;
    --color-easy:    #28a745;
    --color-ok:      #ffc107;
    --color-hard:    #dc3545;
    --font-mono:     'Fira Code', monospace;
    --font-head:     'Oswald', sans-serif;
}

/* ---------- Baza ---------- */
body {
    background-color: var(--bg);
    color: #fff;
    font-family: var(--font-head);
    font-weight: 300;
}

/* ---------- Navbar ---------- */
.app-navbar {
    background-color: var(--bg-card);
    border-bottom: 2px solid var(--primary);
    padding: 0.75rem 0;
}
.app-navbar .container-xl {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.navbar-brand-custom {
    display: flex;
    align-items: baseline;
    gap: 8px;
}
.brand-tabata {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary);
    letter-spacing: 3px;
}
.brand-helper {
    font-family: var(--font-head);
    font-weight: 200;
    font-size: 1rem;
    color: #666;
    letter-spacing: 4px;
}
.navbar-summary {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: #666;
}
.navbar-summary .summary-item {
    color: var(--primary);
    font-weight: 500;
}

/* ---------- Karty ---------- */
.app-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 2px;
    overflow: hidden;
}
.app-card-header {
    background-color: var(--bg-header);
    border-bottom: 1px solid var(--border-p);
    padding: 11px 16px;
    font-family: var(--font-head);
    font-weight: 500;
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}
.app-card-body {
    padding: 20px;
}

/* ---------- Inputy ---------- */
.tabata-input {
    background-color: var(--bg-input) !important;
    color: #fff !important;
    border: 1px solid var(--border) !important;
    border-radius: 0 !important;
    font-family: var(--font-mono);
    font-size: 1.05rem;
    font-weight: 500;
    transition: border-color .2s, box-shadow .2s;
}
.tabata-input:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 2px rgba(41, 191, 255, .15) !important;
    outline: none !important;
}
.tabata-input::placeholder { color: #333; }

.input-group-text {
    background-color: var(--bg-header) !important;
    border-color: var(--border) !important;
    color: #555 !important;
    border-radius: 0 !important;
    font-family: var(--font-mono);
    font-size: 0.75rem;
}
.form-label {
    font-size: 0.7rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #666;
    margin-bottom: 6px;
}

/* ---------- Wyświetlacz czasu ---------- */
.total-display {
    background-color: var(--bg-input);
    border: 1px solid var(--border);
    padding: 8px 12px;
    font-family: var(--font-mono);
    font-size: 1.05rem;
    font-weight: 500;
    color: #333;
    height: 42px;
    display: flex;
    align-items: center;
    transition: color .3s, border-color .3s;
}
.total-display.active {
    color: var(--primary);
    border-color: var(--border-p);
}

/* ---------- Pasek proporcji ---------- */
.ratio-bar {
    display: flex;
    height: 6px;
    border-radius: 3px;
    overflow: hidden;
    background-color: var(--bg-input);
}
.ratio-work { background-color: var(--color-work); transition: width .3s; }
.ratio-rest { background-color: var(--primary); transition: width .3s; }
.ratio-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 4px;
    font-size: 0.68rem;
    color: #555;
    font-family: var(--font-mono);
}

/* ---------- Przyciski trudności ---------- */
.diff-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 10px 6px;
    border-radius: 0;
    border: 2px solid transparent;
    background: var(--bg-input);
    color: #555;
    font-family: var(--font-head);
    font-weight: 400;
    font-size: 0.7rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all .2s;
    cursor: pointer;
}
.diff-btn i { font-size: 1.3rem; }
.diff-btn:hover { color: #ccc; }

.diff-easy { border-color: rgba(40,167,69,.25); }
.diff-easy:hover, .diff-easy.active {
    background: rgba(40,167,69,.12);
    border-color: var(--color-easy);
    color: var(--color-easy);
}
.diff-ok { border-color: rgba(255,193,7,.25); }
.diff-ok:hover, .diff-ok.active {
    background: rgba(255,193,7,.12);
    border-color: var(--color-ok);
    color: var(--color-ok);
}
.diff-hard { border-color: rgba(220,53,69,.25); }
.diff-hard:hover, .diff-hard.active {
    background: rgba(220,53,69,.12);
    border-color: var(--color-hard);
    color: var(--color-hard);
}
.difficulty-tip {
    font-size: 0.78rem;
    color: #888;
    padding: 7px 12px;
    border-left: 3px solid var(--primary);
    background: rgba(41,191,255,.05);
    font-style: italic;
}

/* ---------- Szybkie przyciski skalowania ---------- */
.scale-quick-btns {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 3px;
}
.btn-scale-quick {
    min-width: 0;
    padding: 6px 2px;
    border-radius: 0;
    border: 1px solid var(--border);
    background: var(--bg-input);
    color: #555;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    transition: all .15s;
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
}
.btn-scale-quick:hover {
    border-color: var(--primary);
    color: #ccc;
}
.btn-scale-quick.active {
    background-color: var(--primary);
    border-color: var(--primary);
    color: #000;
    font-weight: 700;
}

/* ---------- Suwak ---------- */
.slider-wrap { padding: 4px 0; }
.tabata-range {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}
.tabata-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    transition: transform .15s;
}
.tabata-range::-webkit-slider-thumb:hover { transform: scale(1.2); }
.tabata-range::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    border: none;
    cursor: pointer;
}
.slider-labels {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 6px;
}
.scale-pct-label {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 600;
    transition: color .2s;
}
.scale-pct-label.neutral  { color: #555; }
.scale-pct-label.decrease { color: var(--color-easy); }
.scale-pct-label.increase { color: var(--color-hard); }

/* ---------- Podgląd skalowania ---------- */
.scale-preview {
    border: 1px solid var(--border);
    background: var(--bg-input);
    min-height: 56px;
    overflow-x: auto;
}
.scale-preview-empty {
    padding: 18px;
    text-align: center;
    color: #444;
    font-size: 0.78rem;
    font-family: var(--font-mono);
}

.preview-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: 0.82rem;
}
.preview-table thead th {
    color: #444;
    font-weight: 400;
    font-size: 0.65rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 8px 10px 4px;
    text-align: right;
}
.preview-table thead th:first-child { text-align: left; }
.preview-table tbody td {
    padding: 6px 10px;
    border-top: 1px solid var(--border);
    vertical-align: middle;
}
.preview-label { color: #aaa; }
.preview-old   { text-align: right; color: #555; }
.preview-arrow { text-align: center; color: #333; font-size: .7rem; }
.preview-new   { text-align: right; color: var(--primary); font-weight: 500; }
.preview-change { text-align: right; font-weight: 600; }
.preview-change.change-down    { color: var(--color-easy); }
.preview-change.change-up      { color: var(--color-hard); }
.preview-change.change-neutral { color: #444; }
.preview-total-row td {
    border-top: 1px solid var(--border-p) !important;
    color: #fff;
}

/* ---------- Korektor intensywności (w sekcji "Jak było?") ---------- */
.int-adj {
    border: 1px solid var(--border);
    border-left: 3px solid #ff9f1c;
    padding: 12px 14px;
    background: rgba(255, 159, 28, .03);
}
.int-adj-label {
    font-size: 0.7rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: #ff9f1c;
    font-family: var(--font-head);
    font-weight: 500;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.int-adj-main {
    display: flex;
    align-items: stretch;
    gap: 6px;
}
.btn-adj {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: #888;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 0;
    cursor: pointer;
    transition: all .15s;
    white-space: nowrap;
}
.btn-adj:hover {
    border-color: #ff9f1c;
    color: #ff9f1c;
}
.int-adj-center {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-input);
    border: 1px solid var(--border);
    padding: 8px 12px;
    gap: 2px;
}
.int-adj-current {
    font-family: var(--font-mono);
    font-size: 1.7rem;
    font-weight: 600;
    color: #ff9f1c;
    line-height: 1;
}
.int-adj-delta {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 600;
    min-height: 16px;
}
.int-adj-delta.change-down { color: var(--color-easy); }
.int-adj-delta.change-up   { color: var(--color-hard); }
.int-adj-sub {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 8px;
    font-size: 0.74rem;
    color: #555;
    font-family: var(--font-mono);
}
.btn-adj-reset {
    background: none;
    border: none;
    color: #555;
    font-family: var(--font-mono);
    font-size: 0.74rem;
    text-decoration: underline;
    cursor: pointer;
    padding: 0;
    transition: color .15s;
}
.btn-adj-reset:hover { color: #ff9f1c; }

/* ---------- Karta: informacja o zmianie intensywności ---------- */
.intensity-info-header {
    justify-content: flex-start;
    gap: 8px;
}
.intensity-info-badge {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 700;
    padding: 1px 9px;
    border-radius: 2px;
}
.badge-harder { color: var(--color-hard); background: rgba(220,53,69,.15); border: 1px solid rgba(220,53,69,.3); }
.badge-easier { color: var(--color-easy); background: rgba(40,167,69,.15);  border: 1px solid rgba(40,167,69,.3);  }

/* 3-segmentowy pasek */
.irb-bar {
    display: flex;
    height: 10px;
    border-radius: 5px;
    overflow: hidden;
    background: var(--bg-input);
}
.irb-work  { background: var(--color-work); transition: width .35s ease; }
.irb-delta { transition: width .35s ease; }
.irb-added { background: var(--color-easy); }
.irb-removed {
    background: repeating-linear-gradient(
        45deg,
        rgba(220,53,69,.55) 0px, rgba(220,53,69,.55) 3px,
        rgba(220,53,69,.1)  3px, rgba(220,53,69,.1)  6px
    );
}
.irb-rest  { background: var(--primary); transition: width .35s ease; }

.irb-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 6px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
}
.irb-lbl-work  { color: var(--color-work); }
.irb-lbl-delta { font-weight: 700; }
.lbl-added     { color: var(--color-easy); }
.lbl-removed   { color: var(--color-hard); }
.irb-lbl-rest  { color: var(--primary); }

/* Podsumowanie */
.int-summary-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.82rem;
}
.isr-label  { color: #666; flex: 0 0 auto; }
.isr-old    { color: #555; }
.isr-arrow  { color: #333; }
.isr-new    { font-weight: 600; }
.isr-change { font-weight: 600; }
.isr-harder { color: var(--color-hard); }
.isr-easier { color: var(--color-easy); }

.int-summary-verdict {
    margin-top: 8px;
    font-family: var(--font-head);
    font-size: 1.05rem;
    font-weight: 300;
    letter-spacing: 1px;
}
.int-summary-verdict strong {
    font-weight: 700;
}
.verdict-harder { color: var(--color-hard); }
.verdict-easier { color: var(--color-easy); }

/* Wiersz intensywności w tabeli podglądu */
.preview-intensity-row td {
    border-top: 1px dashed var(--border) !important;
    font-size: 0.78rem;
    color: #666;
}
.preview-intensity-row .preview-new.intensity-val { color: #ff9f1c; }

/* Odznaka intensywności w historii */
.session-intensity-badge { font-style: italic; }

/* ---------- Przycisk zapisu ---------- */
.btn-save {
    background-color: var(--primary);
    color: #000;
    border: none;
    border-radius: 0;
    font-family: var(--font-head);
    font-weight: 600;
    font-size: 0.82rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 12px;
    transition: background-color .2s;
    cursor: pointer;
}
.btn-save:hover  { background-color: #1fa8e0; color: #000; }
.btn-save:active { background-color: #1890c2; }

/* ---------- Historia ---------- */
.history-container {
    overflow-y: auto;
    max-height: 70vh;
    min-height: 80px;
}
.history-container--grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    max-height: none;
    overflow-y: visible;
}
.history-container--grid .history-empty {
    grid-column: 1 / -1;
}
.history-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: #444;
    text-align: center;
}
.history-empty i { font-size: 2.5rem; margin-bottom: 12px; }
.history-empty p { margin: 2px 0; }

.session-count-badge {
    background-color: var(--border);
    color: #555;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    padding: 2px 7px;
    border-radius: 10px;
}
.btn-clear-history {
    background: none;
    border: 1px solid #333;
    color: #444;
    padding: 3px 8px;
    font-size: 0.8rem;
    border-radius: 2px;
    cursor: pointer;
    transition: all .15s;
}
.btn-clear-history:hover { border-color: var(--color-hard); color: var(--color-hard); }

.history-hint {
    font-size: 0.72rem;
    color: #444;
    font-weight: 400;
    font-family: var(--font-body);
}

.session-item {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    transition: background .15s;
}
.session-item:last-child { border-bottom: none; }
.session-item:hover { background: rgba(41,191,255,.025); }
.session-item--clickable { cursor: pointer; }
.session-item--clickable:hover { background: rgba(41,191,255,.06); }

.history-container--grid .session-item {
    border-bottom: none;
    border: 1px solid var(--border);
    border-radius: 4px;
    margin: 6px;
}

.session-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}
.session-date {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: #555;
    flex: 1;
}
.btn-delete {
    background: none;
    border: none;
    color: #333;
    font-size: 1.2rem;
    line-height: 1;
    padding: 0 4px;
    cursor: pointer;
    transition: color .15s;
}
.btn-delete:hover { color: var(--color-hard); }

.session-chips {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
}
.chip {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px 4px;
    border: 1px solid var(--border);
    min-width: 0;
    background: rgba(255,255,255,.02);
}
.chip-label {
    font-size: 0.55rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #3a3a3a;
    margin-bottom: 3px;
}
.chip-value {
    font-family: var(--font-mono);
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1;
}
.chip-work  .chip-value { color: var(--color-work); }
.chip-rest  .chip-value { color: var(--primary); }
.chip-rounds .chip-value { color: #aaa; }
.chip-total .chip-value { color: #fff; }

.diff-badge {
    font-size: 0.68rem;
    padding: 2px 7px;
    font-family: var(--font-head);
    letter-spacing: .5px;
    font-weight: 500;
}
.diff-badge-easy { background: rgba(40,167,69,.15);  color: #28a745; border: 1px solid rgba(40,167,69,.3); }
.diff-badge-ok   { background: rgba(255,193,7,.15);  color: #ffc107; border: 1px solid rgba(255,193,7,.3); }
.diff-badge-hard { background: rgba(220,53,69,.15);  color: #dc3545; border: 1px solid rgba(220,53,69,.3); }

.session-scale-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
    font-size: 0.76rem;
    font-family: var(--font-mono);
    color: #555;
}
.session-scale-arrow { color: var(--primary); }
.session-scale-times strong { color: var(--primary); }
.session-scale-badge {
    padding: 2px 7px;
    font-size: 0.72rem;
    font-weight: 700;
    border-radius: 2px;
}
.scale-down { background: rgba(40,167,69,.15);  color: var(--color-easy); }
.scale-up   { background: rgba(220,53,69,.15); color: var(--color-hard);  }

/* ---------- Responsywność ---------- */
@media (min-width: 992px) {
    .history-container { max-height: 78vh; }
}
@media (max-width: 575.98px) {
    .app-card-body { padding: 12px; }
    .btn-scale-quick { font-size: 0.6rem; padding: 5px 1px; }
    .chip-value { font-size: 0.9rem; }
    .history-container--grid {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 359px) {
    .history-container--grid { grid-template-columns: 1fr; }
    .btn-scale-quick { font-size: 0.55rem; }
}