:root {
    --bg-color: #1a1a1a;
    --card-bg: #2d2d2d;
    --gold-accent: #d4af37;
    --time-accent: #3a9ad9;
    --danger-accent: #c0392b;
    --text-color: #f5f5f5;
    --border-radius: 8px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding-bottom: 80px;
    min-height: 100vh;
}

.container { width: 100%; max-width: 1000px; margin: 20px auto 0; position: relative; }

h1 { color: var(--gold-accent); margin-bottom: 5px; }
h2, h3 { color: #ffffff; margin-top: 0; }

.chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
}
.chart-period-select {
    width: auto;
    margin-bottom: 0;
    padding: 4px 8px;
    font-size: 0.8rem;
}

.lang-switcher {
    padding: 6px 12px;
    background: #444 !important;
    color: #fff !important;
    border: 1px solid #666;
    border-radius: 4px;
    font-size: 0.85rem;
    cursor: pointer;
}
.lang-switcher:hover { background: #555 !important; }

.card {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: 0 8px 18px rgba(0,0,0,0.45);
    border: 1px solid rgba(255,255,255,0.03);
}

.bank-container { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-bottom: 20px; }
@media (max-width: 575.98px) {
    .bank-container { grid-template-columns: 1fr; }
}
.bank-box { padding: 15px; border-radius: 6px; background: #222; text-align: center; }
.gold-counter { font-size: 2.2rem; color: var(--gold-accent); font-weight: bold; }
.time-counter { font-size: 2.2rem; color: var(--time-accent); font-weight: bold; }

label { display: block; width: 100%; margin-bottom: 15px; box-sizing: border-box; color: #ffffff; font-weight: 500; }
select, input { display: block; width: 100%; margin-bottom: 15px; box-sizing: border-box; padding: 10px; background: #404040; border: 1px solid #555; color: #fff; border-radius: 4px; }

/* Buttons: shared shape here, color comes from Bootstrap's semantic variant classes
   below (btn-success/btn-warning/btn-danger/btn-secondary/btn-time) so each keeps
   its own meaning instead of every button looking identical. */
.btn {
    padding: 10px 14px;
    font-weight: 700;
    border: none !important;
    border-radius: 6px !important;
    transition: filter 0.12s ease, transform 0.06s ease;
}
.btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled, .btn[disabled] {
    opacity: 0.45;
    cursor: not-allowed;
    filter: none;
    transform: none;
}

.btn-warning { background-color: var(--gold-accent) !important; color: #1a1a1a !important; }
.btn-success { background-color: #2ecc71 !important; color: #062b16 !important; }
.btn-danger { background-color: var(--danger-accent) !important; color: #fff !important; }
.btn-danger:hover { filter: brightness(1.05); }
.btn-secondary { background-color: #555 !important; color: #fff !important; }
.btn-time { background-color: var(--time-accent) !important; color: #fff !important; }
.btn-time:hover { background-color: #2a7aa3 !important; color: #fff !important; }

.calendar-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 5px; text-align: center; }
.calendar-day-header { font-weight: bold; color: var(--gold-accent); font-size: 0.8rem;}
.calendar-day { background: #404040; padding: 10px 2px; border-radius: 4px; min-height: 45px; font-size: 0.9rem; position: relative; cursor: default; }
.calendar-day.has-data { border: 1px solid var(--gold-accent); background: #4d421e; cursor: pointer; }
.calendar-day.has-data:hover { background: #5c4e24; }
.calendar-badge { font-size: 0.65rem; display: block; color: var(--gold-accent); }

.calendar-day-detail {
    margin-top: 12px;
    display: none;
}
.calendar-day-detail.show { display: block; }

@media (max-width: 575.98px) {
    .calendar-grid { grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 3px; }
    .calendar-day { min-height: 38px; padding: 6px 1px; font-size: 0.75rem; }
}

.section-title { font-size: 1.1rem; margin-top: 0; border-bottom: 1px solid #444; padding-bottom: 5px; }

.small-label { font-size: 0.9rem; text-transform: uppercase; color: #d6c79b; }
.gold-top { border-top: 4px solid var(--gold-accent); }
.time-top { border-top: 4px solid var(--time-accent); }
.hr-sep { border-color: #444; }
.muted { color: #cfcfcf; }
.danger-text { color: var(--danger-accent); }

.row.align-items-stretch > .col-12 > .card,
.row.align-items-stretch > .col-12.col-md-6 > .card,
.row.align-items-stretch > .col-12.col-md-6 > .card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.history-summary {
    padding: 8px 0;
    font-size: 0.95rem;
}

#history-today { font-size: 0.9rem; color: #cfcfcf; }

.btn-block-full { width: 100%; }

.history-detail {
    display: none;
    margin-top: 10px;
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid #3a3a3a;
    padding: 10px;
    border-radius: 4px;
    background-color: rgba(0,0,0,0.3);
}
.history-detail.show { display: block; }

#history-list { font-size: 0.85rem; color: #cfcfcf; }

#history-list > div {
    padding: 6px 0;
    border-bottom: 1px dashed #3a3a3a;
}

#history-list > div:last-child {
    border-bottom: none;
}

/* NAVBAR */
.navbar {
    background-color: #1a1a1a;
    border-bottom: 2px solid var(--gold-accent);
    padding: 12px 20px !important;
    flex-wrap: wrap;
}
.navbar-brand { color: #d4af37 !important; font-weight: bold; font-size: 1.3rem; margin: 0; }
.navbar-nav { flex-direction: row; flex-wrap: wrap; gap: 12px; }

#backup-panel {
    display: none;
    justify-content: flex-end;
    padding: 10px 20px;
}
#backup-panel.show { display: flex; }

.backup-panel-inner {
    background-color: #2d2d2d;
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid #3a3a3a;
    box-shadow: 0 8px 18px rgba(0,0,0,0.45);
    display: flex;
    gap: 8px;
    animation: slideDown 0.2s ease-in-out;
}

@keyframes slideDown {
    from { transform: translateY(-10px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* MODALS */
.modal-content { background-color: #1a1a1a; border: 1px solid #d4af37; }
.modal-header { border-bottom: 1px solid #3a3a3a; }
.modal-header h2 { color: var(--gold-accent); margin: 0; font-size: 1.4rem; }
.btn-close-white { opacity: 0.8; }

.modal-body {
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    padding: 20px;
    scrollbar-color: #3a3a3a #1a1a1a;
    scrollbar-width: thin;
}
.modal-body::-webkit-scrollbar { width: 8px; }
.modal-body::-webkit-scrollbar-track { background: #1a1a1a; }
.modal-body::-webkit-scrollbar-thumb { background: #3a3a3a; border-radius: 4px; }

.session-monitor-body { min-height: 400px; }
.session-action-row { gap: 15px; }
.session-action-btn { padding: 12px 30px; font-size: 1.1rem; }
.hr-sep-full { width: 100%; margin: 30px 0; }
#lbl-wasted-title { margin-top: 20px; margin-bottom: 10px; }
#lbl-wasted-desc { margin-bottom: 15px; }
.death-penalty-btn { padding: 10px 20px; }

.session-timer-box {
    background-color: #2d2d2d;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
}
.timer-controls { margin-top: 10px; }

.exercises-grid { display: grid; grid-template-columns: 1fr; gap: 15px; }

.save-action { margin-top: 20px; text-align: center; }
.save-action-btn { padding: 12px 40px; font-size: 1.1rem; }

.settings-exercise-list { display: grid; grid-template-columns: 1fr; gap: 10px; margin-top: 15px; }

/* WORKOUT TIMER */
#workout-timer {
    font-size: 2.5rem;
    color: #d4af37;
    font-weight: bold;
    font-family: 'Courier New', monospace;
    text-align: center;
    letter-spacing: 2px;
}

.discard-link {
    display: inline-block;
    margin-top: 12px;
    background: none;
    border: none;
    padding: 4px 8px;
    color: #9a9a9a;
    font-size: 0.8rem;
    text-decoration: underline;
    cursor: pointer;
}
.discard-link:hover { color: #cfcfcf; }

.settings-exercise-row {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: #2d2d2d;
    border: 1px solid #3a3a3a;
    border-radius: 8px;
    padding: 10px 14px;
    cursor: pointer;
    margin-bottom: 0;
    color: #f5f5f5;
    font-weight: 500;
}
.settings-exercise-row:hover { border-color: #d4af37; }
.settings-exercise-row input[type="checkbox"] {
    display: inline-block;
    width: 18px;
    height: 18px;
    padding: 0;
    background: none;
    border: none;
    border-radius: 0;
    accent-color: var(--gold-accent);
    margin-bottom: 0;
    flex: 0 0 auto;
}

.block-summary {
    text-align: center;
    color: #d6c79b;
    font-size: 0.95rem;
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid #3a3a3a;
}

.save-confirmation {
    min-height: 1.2em;
    margin-top: 12px;
    font-size: 0.9rem;
    white-space: pre-line;
}
.save-confirmation.success { color: #2ecc71; }
.save-confirmation.warning { color: #d4af37; }

/* EXERCISE CARDS */
.exercise-card {
    background-color: #2d2d2d;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #3a3a3a;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
}

.exercise-card:hover {
    border-color: #d4af37;
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.2);
}

.exercise-card-label-wrap { flex: 1; }
.exercise-card-name { display: block; margin-bottom: 0; color: #f5f5f5; font-weight: 500; cursor: pointer; }
.exercise-card-unit { display: block; color: #9a9a9a; font-size: 0.75rem; text-transform: uppercase; }

.history-session-item {
    padding: 10px;
    background-color: rgba(212, 175, 55, 0.05);
    border-radius: 4px;
    margin-bottom: 8px;
}

.session-item-actions {
    display: flex;
    gap: 10px;
    margin-top: 8px;
}
.session-item-action-btn {
    background: none;
    border: 1px solid #3a3a3a;
    border-radius: 4px;
    padding: 4px 10px;
    font-size: 0.75rem;
    color: #cfcfcf;
    cursor: pointer;
}
.session-item-action-btn:hover { border-color: #d4af37; color: #fff; }

.session-edit-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 8px;
    color: #f5f5f5;
    font-size: 0.85rem;
}
.session-edit-input {
    width: 70px;
    margin-bottom: 0;
    padding: 4px 6px;
    background-color: #1a1a1a;
    color: #d4af37;
    border: 1px solid #d4af37;
    border-radius: 4px;
    text-align: center;
}

.exercise-card input[type="number"] {
    width: 60px;
    margin-bottom: 0;
    padding: 6px;
    background-color: #1a1a1a;
    color: #d4af37;
    border: 1px solid #d4af37;
    border-radius: 4px;
    text-align: center;
    font-weight: bold;
}

.exercise-card input[type="number"]:focus {
    outline: none;
    box-shadow: 0 0 8px rgba(212, 175, 55, 0.4);
}

/* TIMER DISPLAY */
.timer-display {
    font-size: 4rem;
    color: #d4af37;
    font-weight: bold;
    font-family: 'Courier New', monospace;
    text-align: center;
    margin: 40px 0;
    letter-spacing: 2px;
}

.timer-display.low-time {
    color: #c0392b;
    animation: pulse 1s infinite;
}

@media (max-width: 575.98px) {
    .timer-display { font-size: 2.2rem; }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* FLEX BUTTONS */
.flex-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 575.98px) {
    .flex-buttons { flex-direction: column; }
    .flex-buttons .btn { width: 100%; }
}