/* ============================================================
   learning_materials_kkm.css — Интерактивный тренажёр ККМ МИНИКА 1102МИК
   ============================================================ */

:root {
    --kkm-brand:   rgb(13, 82, 105);
    --kkm-accent:  rgb(35, 134, 167);
    --kkm-dark:    rgb(4, 48, 63);
    --kkm-border:  rgba(13, 82, 105, 0.18);
    --kkm-shadow:  0 10px 24px rgba(0,0,0,0.07), 0 1px 0 rgba(255,255,255,0.6) inset;
    --kkm-radius:  14px;
}

/* ── Page wrapper ─────────────────────────────────────────── */
.kkm-page-hero {
    text-align: center;
    padding: 32px 16px 20px;
    max-width: 900px;
    margin: 0 auto;
}

.kkm-page-hero h1 {
    font-size: 26px;
    font-weight: 800;
    color: var(--kkm-dark);
    margin: 0 0 8px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

.kkm-page-hero p {
    color: rgba(13, 82, 105, 0.7);
    font-size: 14px;
    margin: 0;
    font-style: italic;
}

/* ── Main trainer layout ─────────────────────────────────── */
.kkm-trainer-wrap {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 16px 60px;
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 28px;
    align-items: start;
}

@media (max-width: 860px) {
    .kkm-trainer-wrap {
        grid-template-columns: 1fr;
    }
    .kkm-simulator-col { order: -1; }
}

/* ── Scenario selector (left panel top) ─────────────────── */
.kkm-scenario-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.kkm-scenario-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 10px;
    border: 1px solid var(--kkm-border);
    background: transparent;
    cursor: pointer;
    text-align: left;
    font-size: 14px;
    color: var(--kkm-dark);
    transition: background 0.15s, border-color 0.15s, transform 0.12s;
    font-weight: 500;
    box-shadow: var(--kkm-shadow);
}

.kkm-scenario-btn:hover {
    background: rgba(35, 134, 167, 0.06);
    border-color: rgba(35, 134, 167, 0.35);
}

.kkm-scenario-btn.active {
    background: var(--kkm-accent);
    color: #fff;
    border-color: var(--kkm-accent);
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(35, 134, 167, 0.35);
}

.kkm-scenario-btn .sc-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.kkm-scenario-btn .sc-done {
    margin-left: auto;
    font-size: 16px;
    opacity: 0;
    transition: opacity 0.2s;
}

.kkm-scenario-btn.completed .sc-done { opacity: 1; }

/* ── Step display panel ─────────────────────────────────── */
.kkm-guide-panel {
    background: transparent;
    border: 1px solid var(--kkm-border);
    border-radius: var(--kkm-radius);
    padding: 20px 18px;
    box-shadow: var(--kkm-shadow);
    min-height: 220px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.kkm-guide-panel .step-badge {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--kkm-accent);
}

.kkm-guide-panel .step-instruction {
    font-size: 16px;
    font-weight: 600;
    color: var(--kkm-dark);
    line-height: 1.5;
    margin: 0;
}

.kkm-guide-panel .step-action {
    font-size: 13px;
    color: rgba(13, 82, 105, 0.7);
    margin: 0;
}

/* Key sequence visual */
.step-keys {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

.step-key-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 34px;
    padding: 0 10px;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    font-weight: 700;
    background: #2d2d2d;
    color: #fff;
    box-shadow: 0 3px 0 #111, 0 1px 4px rgba(0,0,0,0.25);
    letter-spacing: 0.5px;
}

.step-key-badge.key-it   { background: #1e7a30; box-shadow: 0 3px 0 #0e4018, 0 1px 4px rgba(0,0,0,0.25); }
.step-key-badge.key-c    { background: #c0392b; box-shadow: 0 3px 0 #7d241d, 0 1px 4px rgba(0,0,0,0.25); }
.step-key-badge.key-an   { background: #c25b0a; box-shadow: 0 3px 0 #7a390a, 0 1px 4px rgba(0,0,0,0.25); }
.step-key-badge.key-kc   { background: #6c3483; box-shadow: 0 3px 0 #3d1a50, 0 1px 4px rgba(0,0,0,0.25); }
.step-key-badge.key-sec  { background: #b7770d; box-shadow: 0 3px 0 #7a4f08, 0 1px 4px rgba(0,0,0,0.25); }
.step-key-badge.key-mul  { background: #2e86c1; box-shadow: 0 3px 0 #1a5276, 0 1px 4px rgba(0,0,0,0.25); }
.step-key-arrow { color: rgba(13,82,105,0.4); font-size: 14px; }

/* Progress bar */
.step-progress {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: auto;
}

.step-progress-bar {
    flex: 1;
    height: 5px;
    background: var(--kkm-border);
    border-radius: 3px;
    overflow: hidden;
}

.step-progress-fill {
    height: 100%;
    background: var(--kkm-accent);
    border-radius: 3px;
    transition: width 0.3s ease;
}

.step-progress-label {
    font-size: 12px;
    color: rgba(13,82,105,0.55);
    white-space: nowrap;
}

/* Controls */
.kkm-guide-controls {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.kkm-ctrl-btn {
    padding: 8px 16px;
    border-radius: 22px;
    border: 1px solid var(--kkm-border);
    background: white;
    color: var(--kkm-brand);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.kkm-ctrl-btn:hover:not(:disabled) {
    background: var(--kkm-accent);
    color: #fff;
    border-color: var(--kkm-accent);
}

.kkm-ctrl-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.kkm-ctrl-btn.btn-next-step {
    background: var(--kkm-accent);
    color: #fff;
    border-color: var(--kkm-accent);
}

.kkm-ctrl-btn.btn-next-step:hover { background: var(--kkm-brand); border-color: var(--kkm-brand); }

/* ── KKM device ─────────────────────────────────────────── */
.kkm-simulator-col {
    position: sticky;
    top: 20px;
}

.kkm-device {
    background: linear-gradient(160deg, #3a3a3a 0%, #2a2a2a 100%);
    border-radius: 16px;
    padding: 18px 16px 22px;
    box-shadow:
        0 12px 40px rgba(0,0,0,0.45),
        0 2px 0 rgba(255,255,255,0.08) inset,
        0 -1px 0 rgba(0,0,0,0.4) inset;
    max-width: 360px;
    margin: 0 auto;
    position: relative;
}

/* Brand label */
.kkm-brand-label {
    text-align: center;
    color: rgba(255,255,255,0.35);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

/* Paper slot */
.kkm-paper-slot {
    width: 55%;
    height: 10px;
    background: linear-gradient(to bottom, #d0d0d0, #b8b8b8);
    border-radius: 5px;
    margin: 0 auto 14px;
    box-shadow: inset 0 2px 5px rgba(0,0,0,0.4), 0 1px 0 rgba(255,255,255,0.1);
    position: relative;
    overflow: hidden;
}

/* LCD display */
.kkm-display {
    background: #111;
    border-radius: 8px;
    padding: 10px 12px 8px;
    margin-bottom: 16px;
    border: 2px solid #0a0a0a;
    box-shadow:
        inset 0 5px 15px rgba(0,0,0,0.8),
        inset 0 1px 0 rgba(255,255,255,0.03),
        0 1px 0 rgba(255,255,255,0.06);
}

.kkm-lcd-row {
    font-family: 'Courier New', 'Courier', monospace;
    font-size: 26px;
    font-weight: bold;
    color: #6fd656;
    letter-spacing: 3px;
    text-align: right;
    min-height: 38px;
    line-height: 38px;
    background: #081505;
    border-radius: 4px;
    padding: 0 8px;
    text-shadow: 0 0 10px rgba(111, 214, 86, 0.6), 0 0 20px rgba(111, 214, 86, 0.2);
    transition: color 0.15s;
    overflow: hidden;
    white-space: nowrap;
}

.kkm-lcd-subtext {
    font-size: 10px;
    color: rgba(111, 214, 86, 0.55);
    font-family: 'Courier New', monospace;
    text-align: right;
    letter-spacing: 1px;
    margin-top: 3px;
    min-height: 14px;
}

/* Keyboard */
.kkm-keyboard {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.key-row {
    display: flex;
    gap: 5px;
}

/* Base button style */
.kkm-btn {
    flex: 1;
    min-height: 46px;
    border: none;
    border-radius: 7px;
    font-weight: 700;
    font-size: 13px;
    cursor: pointer;
    transition: transform 0.08s ease, box-shadow 0.08s ease, filter 0.08s ease;
    position: relative;
    color: #fff;
    text-shadow: 0 1px 2px rgba(0,0,0,0.4);
    letter-spacing: 0.3px;
    line-height: 1.2;
    padding: 2px 4px;
}

/* Press effect */
.kkm-btn:active, .kkm-btn.pressed {
    transform: translateY(3px);
}

/* Button color themes */
.kkm-btn.btn-num {
    background: linear-gradient(to bottom, #5e5e5e 0%, #454545 100%);
    box-shadow: 0 4px 0 #282828, 0 1px 3px rgba(0,0,0,0.3);
    color: #eeeeee;
}
.kkm-btn.btn-num:active { box-shadow: 0 1px 0 #282828; }

.kkm-btn.btn-it {
    background: linear-gradient(to bottom, #2ea344 0%, #1e7230 100%);
    box-shadow: 0 4px 0 #0f4018, 0 1px 3px rgba(0,0,0,0.3);
    font-size: 15px;
}
.kkm-btn.btn-it:active { box-shadow: 0 1px 0 #0f4018; }

.kkm-btn.btn-clear {
    background: linear-gradient(to bottom, #d44232 0%, #a52a1e 100%);
    box-shadow: 0 4px 0 #6b1010, 0 1px 3px rgba(0,0,0,0.3);
}
.kkm-btn.btn-clear:active { box-shadow: 0 1px 0 #6b1010; }

.kkm-btn.btn-annul {
    background: linear-gradient(to bottom, #d35f12 0%, #a04008 100%);
    box-shadow: 0 4px 0 #6b2800, 0 1px 3px rgba(0,0,0,0.3);
    font-size: 11px;
}
.kkm-btn.btn-annul:active { box-shadow: 0 1px 0 #6b2800; }

.kkm-btn.btn-kc {
    background: linear-gradient(to bottom, #7d3fa0 0%, #5a2a7a 100%);
    box-shadow: 0 4px 0 #301550, 0 1px 3px rgba(0,0,0,0.3);
}
.kkm-btn.btn-kc:active { box-shadow: 0 1px 0 #301550; }

.kkm-btn.btn-pct {
    background: linear-gradient(to bottom, #2472a4 0%, #1a5276 100%);
    box-shadow: 0 4px 0 #0e2e4a, 0 1px 3px rgba(0,0,0,0.3);
}
.kkm-btn.btn-pct:active { box-shadow: 0 1px 0 #0e2e4a; }

.kkm-btn.btn-sec {
    background: linear-gradient(to bottom, #c9860e 0%, #9a6308 100%);
    box-shadow: 0 4px 0 #5a3800, 0 1px 3px rgba(0,0,0,0.3);
    font-size: 12px;
    color: #fff8e0;
}
.kkm-btn.btn-sec:active { box-shadow: 0 1px 0 #5a3800; }

.kkm-btn.btn-mul {
    background: linear-gradient(to bottom, #3498db 0%, #1e6fa0 100%);
    box-shadow: 0 4px 0 #0e3a5c, 0 1px 3px rgba(0,0,0,0.3);
    font-size: 18px;
}
.kkm-btn.btn-mul:active { box-shadow: 0 1px 0 #0e3a5c; }

.kkm-btn.btn-wide  { flex: 2; }
.kkm-btn.btn-wide3 { flex: 3; }

/* ── Highlight pulsing for guided steps ──────────────────── */
.kkm-btn.highlighted {
    animation: kkm-pulse 1.1s ease-in-out infinite;
}

@keyframes kkm-pulse {
    0%, 100% { filter: brightness(1); box-shadow: inherit; }
    50%       { filter: brightness(1.35);
                box-shadow: 0 0 0 4px rgba(255,230,50,0.55),
                            0 0 16px rgba(255,230,50,0.3),
                            0 4px 0 rgba(0,0,0,0.5); }
}

/* Wrong-key shake */
.kkm-btn.wrong-shake {
    animation: kkm-shake 0.35s ease;
}
@keyframes kkm-shake {
    0%,100% { transform: translateX(0); }
    25%      { transform: translateX(-4px); }
    75%      { transform: translateX(4px); }
}

/* ── Reference table section ─────────────────────────────── */
.kkm-ref-section {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 16px 60px;
}

.kkm-ref-section h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--kkm-dark);
    margin: 0 0 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.kkm-ref-section h2::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--kkm-border);
}

.kkm-ref-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.kkm-ref-tab {
    padding: 7px 18px;
    border-radius: 22px;
    border: 1px solid var(--kkm-border);
    background: white;
    color: var(--kkm-brand);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.kkm-ref-tab.active {
    background: var(--kkm-brand);
    color: #fff;
    border-color: var(--kkm-brand);
}

.kkm-ref-panel { display: none; }
.kkm-ref-panel.active { display: block; }

.kkm-op-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.kkm-op-table th {
    background: rgba(13, 82, 105, 0.08);
    color: var(--kkm-dark);
    font-weight: 700;
    padding: 10px 14px;
    text-align: left;
    border-bottom: 2px solid var(--kkm-border);
}

.kkm-op-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--kkm-border);
    color: #2c3e50;
    vertical-align: middle;
    line-height: 2.4;
}

.kkm-op-table tr:hover td {
    background: rgba(35, 134, 167, 0.04);
}

/* Inline key badge in table */
.kb {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 26px;
    padding: 0 7px;
    border-radius: 5px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    font-weight: 700;
    color: #fff;
    background: #454545;
    box-shadow: 0 2px 0 #222;
    white-space: nowrap;
    vertical-align: middle;
}
.kb-it  { background: #1e7230; box-shadow: 0 2px 0 #0a3815; }
.kb-c   { background: #a52a1e; box-shadow: 0 2px 0 #5a100e; }
.kb-an  { background: #a04008; box-shadow: 0 2px 0 #5a2200; }
.kb-kc  { background: #5a2a7a; box-shadow: 0 2px 0 #2a1040; }
.kb-sec { background: #9a6308; box-shadow: 0 2px 0 #5a3800; color: #fff8e0; }
.kb-mul { background: #1e6fa0; box-shadow: 0 2px 0 #0e3a5c; }

.op-arrow { color: rgba(13,82,105,0.4); margin: 0 2px; font-size: 11px; }

/* Completion banner */
.kkm-done-banner {
    background: linear-gradient(135deg, #1e7a30, #2ea344);
    color: #fff;
    border-radius: 10px;
    padding: 14px 18px;
    text-align: center;
    font-weight: 700;
    font-size: 15px;
    box-shadow: 0 4px 14px rgba(30,122,48,0.35);
    display: none;
}
.kkm-done-banner.visible { display: block; }

/* ── 1105МИК-specific buttons ────────────────────────────── */
.kkm-btn.btn-sk {
    background: linear-gradient(to bottom, #c9860e 0%, #9a6308 100%);
    box-shadow: 0 4px 0 #5a3800, 0 1px 3px rgba(0,0,0,0.3);
    font-size: 13px;
    color: #fff8e0;
}
.kkm-btn.btn-sk:active { box-shadow: 0 1px 0 #5a3800; }

.kkm-btn.btn-bnal {
    background: linear-gradient(to bottom, #0e8c7a 0%, #0a6358 100%);
    box-shadow: 0 4px 0 #063d36, 0 1px 3px rgba(0,0,0,0.3);
    font-size: 11px;
}
.kkm-btn.btn-bnal:active { box-shadow: 0 1px 0 #063d36; }

.kkm-btn.btn-rg {
    background: linear-gradient(to bottom, #8b2020 0%, #5c1010 100%);
    box-shadow: 0 4px 0 #360808, 0 1px 3px rgba(0,0,0,0.3);
    font-size: 12px;
}
.kkm-btn.btn-rg:active { box-shadow: 0 1px 0 #360808; }

/* Guide key badges for 1105 */
.step-key-badge.key-sk   { background: #9a6308; box-shadow: 0 3px 0 #5a3800, 0 1px 4px rgba(0,0,0,0.25); color: #fff8e0; }
.step-key-badge.key-bnal { background: #0a6358; box-shadow: 0 3px 0 #063d36, 0 1px 4px rgba(0,0,0,0.25); }
.step-key-badge.key-rg   { background: #5c1010; box-shadow: 0 3px 0 #360808, 0 1px 4px rgba(0,0,0,0.25); }

/* Reference table badges for 1105 */
.kb-sk   { background: #9a6308; box-shadow: 0 2px 0 #5a3800; color: #fff8e0; }
.kb-bnal { background: #0a6358; box-shadow: 0 2px 0 #063d36; }
.kb-rg   { background: #5c1010; box-shadow: 0 2px 0 #360808; }

/* ── Responsive tweaks ───────────────────────────────────── */
@media (max-width: 480px) {
    .kkm-device { padding: 14px 12px 18px; }
    .kkm-lcd-row { font-size: 22px; letter-spacing: 2px; }
    .kkm-btn { min-height: 40px; font-size: 12px; }
    .kkm-btn.btn-sec { font-size: 11px; }
}