.hashc-soft-wrapper {
    /* Biến CSS độc lập */
    --neo-border: 3px solid #111111;
    --neo-shadow: 5px 5px 0px #111111;
    
    --bg-main: #f0f4f8;
    --clr-yellow: #fde74c;
    --clr-cyan: #9bf6ff;
    --clr-pink: #ffc6ff;
    --clr-green: #caffbf;
    --clr-dark: #212529;
    --clr-white: #ffffff;
    --clr-text: #111111;

    max-width: 950px; 
    margin: 0 auto;
    font-family: system-ui, -apple-system, sans-serif;
    color: var(--clr-text);
    background: var(--bg-main);
    padding: 20px;
    border: var(--neo-border);
    border-radius: 16px;
    box-shadow: 6px 6px 0px #111111;
}

.hashc-soft-wrapper * { box-sizing: border-box; }

.hashc-soft-header {
    background: #111; padding: 20px; color: #fff;
    border: var(--neo-border); border-radius: 12px;
    text-align: center; margin-bottom: 25px; box-shadow: var(--neo-shadow);
}
.hashc-soft-header h2 { margin: 0 0 10px 0; font-size: 1.8rem; font-weight: 900; color: var(--clr-yellow); text-transform: uppercase;}
.hashc-soft-header p { margin: 0; font-weight: 600; font-size: 0.95rem; color: #ccc;}

/* BỐ CỤC 2 CỘT */
.hashc-main-layout { display: flex; flex-direction: column; gap: 20px; }
.hashc-col { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 20px; }
@media (min-width: 768px) { .hashc-main-layout { flex-direction: row; align-items: stretch; } }

/* CARDS */
.hashc-card {
    padding: 20px; border: var(--neo-border); 
    border-radius: 12px; box-shadow: var(--neo-shadow); display: flex; flex-direction: column; height: 100%;
}
.hashc-bg-yellow { background: var(--clr-yellow); }
.hashc-bg-white { background: var(--clr-white); }
.hashc-card-title { margin: 0 0 15px 0; font-size: 1.2rem; font-weight: 900; border-bottom: 2px dashed rgba(0,0,0,0.3); padding-bottom: 10px; }

/* INPUT TEXTAREA */
.hashc-textarea {
    width: 100%; min-height: 150px; padding: 15px; font-family: monospace; font-size: 1.1rem;
    font-weight: bold; color: #111; background: #fff; border: 3px solid #111; 
    border-radius: 8px; box-shadow: inset 3px 3px 0px rgba(0,0,0,0.05); resize: vertical; outline: none;
}
.hashc-textarea:focus { border-color: #111; box-shadow: inset 3px 3px 0px rgba(0,0,0,0.05), 0 0 0 3px #111; }

/* SWITCH CHECKBOX */
.hashc-options-group { margin: 15px 0; background: rgba(255,255,255,0.5); padding: 12px; border: 2px solid #111; border-radius: 8px; box-shadow: 2px 2px 0px #111; }
.hashc-check-row { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.hashc-opt-text { font-weight: 800; font-size: 0.95rem; }

.hashc-switch-wrapper { position: relative; width: 46px; height: 26px; }
.hashc-checkbox { opacity: 0; width: 0; height: 0; position: absolute; }
.hashc-switch { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: #fff; border: 2px solid #111; border-radius: 20px; transition: 0.2s; }
.hashc-switch:before { position: absolute; content: ""; height: 16px; width: 16px; left: 3px; bottom: 3px; background: #111; border-radius: 50%; transition: 0.2s; }
.hashc-checkbox:checked + .hashc-switch { background: #111; }
.hashc-checkbox:checked + .hashc-switch:before { transform: translateX(20px); background: var(--clr-yellow); border-color: var(--clr-yellow); }

/* BUTTONS */
.hashc-btn-action {
    width: 100%; padding: 12px; background: #fff; border: 2px solid #111; border-radius: 8px;
    font-weight: 900; font-size: 1rem; cursor: pointer; box-shadow: 3px 3px 0px #111; transition: 0.1s; text-transform: uppercase;
}
.hashc-btn-action:active { transform: translate(3px, 3px); box-shadow: 0px 0px 0px #111; }

.hashc-note-box { margin-top: 20px; font-size: 0.85rem; padding: 12px; background: #e0fbfc; border: 2px dashed #111; border-radius: 8px; font-weight: 600; line-height: 1.5; }

/* KẾT QUẢ ĐẦU RA */
.hashc-results-list { display: flex; flex-direction: column; gap: 15px; flex: 1; }
.hashc-res-box { padding: 15px; border: 2px solid #111; border-radius: 10px; box-shadow: 3px 3px 0px #111; display: flex; flex-direction: column; gap: 10px; }

.hashc-bg-cyan { background: var(--clr-cyan); }
.hashc-bg-pink { background: var(--clr-pink); }
.hashc-bg-green { background: var(--clr-green); }
.hashc-bg-dark { background: var(--clr-dark); }

.hashc-res-header { display: flex; align-items: baseline; gap: 10px; border-bottom: 2px dashed rgba(0,0,0,0.2); padding-bottom: 5px; }
.hashc-bg-dark .hashc-res-header { border-bottom-color: rgba(255,255,255,0.2); }
.hashc-algo-name { font-size: 1.1rem; font-weight: 900; color: #111; }
.hashc-algo-desc { font-size: 0.85rem; font-weight: 700; color: #555; }

.hashc-input-row { display: flex; gap: 8px; }
.hashc-text-input {
    flex: 1; padding: 12px; border: 2px solid #111; border-radius: 6px;
    font-family: monospace; font-weight: bold; font-size: 0.95rem; color: #111;
    background: #fdfdfd; outline: none; box-shadow: inset 2px 2px 0px rgba(0,0,0,0.05);
}
.hashc-text-input::placeholder { color: #aaa; }
.hashc-btn-copy {
    background: #fff; border: 2px solid #111; border-radius: 6px; padding: 0 15px;
    font-size: 1.2rem; cursor: pointer; box-shadow: 2px 2px 0px #111; transition: 0.1s; display: flex; align-items: center; justify-content: center;
}
.hashc-btn-copy:active { transform: translate(2px, 2px); box-shadow: 0px 0px 0px #111; }