/* 
  Tech Word of the Day Styles
  Aesthetic: Dark Cyber / Neon Accent
*/
:root {
    --tw-bg: #0a0c0b;
    --tw-card-bg: #14181a;
    --tw-accent: #3fb98c;
    --tw-text: #e8e3d6;
    --tw-muted: #8b8a82;
    --tw-border: #2a2f2c;
    --tw-gold: #c8a24b;
}

.techword-section {
    padding: 40px 20px;
    text-align: center;
    background: var(--tw-bg);
    color: var(--tw-text);
    font-family: 'Space Grotesk', system-ui, sans-serif;
}

.tw-accent {
    color: var(--tw-accent);
    text-shadow: 0 0 10px rgba(63, 185, 140, 0.5);
}

#techword-container {
    display: flex;
    justify-content: center;
    perspective: 1000px;
    margin-top: 30px;
}

.tw-card {
    width: 300px;
    height: 200px;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.tw-card.flipped {
    transform: rotateY(180deg);
}

.tw-card-face {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--tw-border);
    border-radius: 15px;
    background: var(--tw-card-bg);
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.tw-card-front {
    z-index: 2;
}

.tw-card-back {
    transform: rotateY(180deg);
    text-align: center;
}

.tw-term {
    font-size: 2rem;
    font-weight: 800;
    color: var(--tw-accent);
    margin-bottom: 10px;
}

.tw-hint {
    font-size: 0.9rem;
    color: var(--tw-muted);
    font-style: italic;
}

.tw-definition {
    font-size: 1.1rem;
    line-height: 1.6;
}

.tw-btn {
    margin-top: 20px;
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--tw-accent);
    color: var(--tw-accent);
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.3s;
}

.tw-btn:hover {
    background: var(--tw-accent);
    color: var(--tw-bg);
}

/* ---- Streak pill ---- */
.tw-streak-pill {
    display: inline-block;
    margin-bottom: 16px;
    padding: 6px 14px;
    border: 1px solid var(--tw-border);
    border-radius: 999px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--tw-text);
    background: var(--tw-card-bg);
}
.tw-streak-pill b { color: #ff8a3d; text-shadow: 0 0 8px rgba(255,138,61,0.5); }

/* ---- Cert badge ---- */
.tw-cert-badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.04em;
    color: var(--tw-gold, #c8a24b);
    border: 1px solid rgba(200,162,75,0.35);
    background: rgba(200,162,75,0.08);
    border-radius: 3px;
    padding: 2px 8px;
    margin-bottom: 12px;
}

/* ---- Word of the day front/back spacing ---- */
.tw-face-front .tw-cert-badge { margin-bottom: 10px; }
.tw-def { font-size: 1.05rem; line-height: 1.6; }
.tw-why {
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--tw-muted);
    margin-top: 14px;
    text-align: left;
    border-top: 1px solid var(--tw-border);
    padding-top: 12px;
}
.tw-why b { color: var(--tw-accent); }

.tw-actions {
    display: flex;
    gap: 10px;
    margin-top: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.tw-btn-gold {
    border-color: var(--tw-gold, #c8a24b);
    color: var(--tw-gold, #c8a24b);
}
.tw-btn-gold:hover {
    background: var(--tw-gold, #c8a24b);
    color: #0a0c0b;
}

/* ---- Locked archive / upsell ---- */
.tw-archive {
    margin-top: 22px;
    padding: 16px 18px;
    border: 1px dashed var(--tw-border);
    border-radius: 12px;
    background: rgba(20,24,26,0.5);
    max-width: 320px;
    text-align: center;
}
.tw-lock { font-size: 0.95rem; color: var(--tw-text); margin-bottom: 4px; }
.tw-lock b { color: var(--tw-accent); }
.tw-lock-sub { font-size: 0.72rem; color: var(--tw-muted); margin-bottom: 12px; }