/* ═══════════════════════════════════════════════════════════════════
   BOSSES STYLES — Project Ascension
   ═══════════════════════════════════════════════════════════════════ */

.boss-container {
    max-width: 1000px;
    margin: 0 auto;
}

/* ── Header & Navigation ── */
.boss-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.boss-nav {
    display: flex;
    gap: 10px;
    background: rgba(0,0,0,0.3);
    padding: 6px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

/* ── Active Boss Arena ── */
.boss-arena {
    padding: 40px;
    text-align: center;
    background: linear-gradient(145deg, rgba(239, 68, 68, 0.1), rgba(15, 15, 20, 0.9));
    border: 1px solid rgba(239, 68, 68, 0.4);
    box-shadow: 0 10px 40px rgba(239, 68, 68, 0.15), inset 0 0 50px rgba(0,0,0,0.8);
    position: relative;
    overflow: hidden;
}

.boss-arena::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%; width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(239, 68, 68, 0.05) 0%, transparent 60%);
    animation: rotateSlow 20s linear infinite;
    z-index: 0;
}

@keyframes rotateSlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.boss-arena > * {
    position: relative;
    z-index: 1;
}

.boss-image {
    font-size: 5rem;
    margin: 20px 0;
    text-shadow: 0 0 30px rgba(239, 68, 68, 0.8);
    animation: float 4s ease-in-out infinite;
}

.boss-arena h2 {
    font-size: 2.2rem;
    color: var(--accent-color);
    margin-bottom: 5px;
    letter-spacing: 2px;
}

/* ── HP Bar ── */
.boss-hp-container {
    width: 100%;
    max-width: 600px;
    height: 24px;
    background: rgba(0,0,0,0.8);
    border: 2px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    margin: 25px auto;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 2px 10px rgba(0,0,0,1);
}

.boss-hp-fill {
    height: 100%;
    transition: width 1s cubic-bezier(0.175, 0.885, 0.32, 1.275), background-color 1s ease;
    box-shadow: inset 0 0 10px rgba(0,0,0,0.5);
    position: relative;
}

.boss-hp-fill::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(45deg, rgba(255,255,255,0.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,0.15) 50%, rgba(255,255,255,0.15) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
    animation: stripeMove 1s linear infinite;
}

@keyframes stripeMove {
    from { background-position: 0 0; }
    to { background-position: 20px 0; }
}

.boss-hp-text {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    color: white;
    text-shadow: 1px 1px 3px black, -1px -1px 3px black;
    z-index: 2;
}

/* ── Screen Shake Utility ── */
.shake-animation {
    animation: heavyShake 0.4s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

@keyframes heavyShake {
    10%, 90% { transform: translate3d(-4px, 0, 0); }
    20%, 80% { transform: translate3d(6px, -3px, 0); }
    30%, 50%, 70% { transform: translate3d(-8px, 4px, 0); }
    40%, 60% { transform: translate3d(8px, -4px, 0); }
}

/* ── Milestones ── */
.milestones-list {
    text-align: left;
    max-width: 600px;
    margin: 30px auto 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.milestone-item {
    padding: 15px 20px;
    background: rgba(0,0,0,0.4);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-normal);
}

.milestone-item.completed {
    opacity: 0.5;
    border-color: rgba(16, 185, 129, 0.3);
    background: rgba(16, 185, 129, 0.05);
}

.milestone-item.completed span {
    text-decoration: line-through;
    color: var(--text-muted);
}

/* ── Guild Hall (Contracts) ── */
.guild-hall-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.contract-card {
    padding: 25px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.contract-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 4px;
    background: var(--text-secondary);
}

.contract-card[data-diff="Rank C"]::before { background: var(--success-color); }
.contract-card[data-diff="Rank B"]::before { background: var(--info-color); }
.contract-card[data-diff="Rank A"]::before { background: var(--secondary-color); }
.contract-card[data-diff="Rank S"]::before { background: var(--primary-color); }
.contract-card[data-diff="Rank SS"]::before { background: var(--accent-color); }

.diff-badge {
    position: absolute;
    top: 15px; right: 15px;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 20px;
    background: rgba(255,255,255,0.1);
    letter-spacing: 1px;
}

.contract-card h3 {
    margin: 15px 0 10px;
    font-size: 1.3rem;
}

.contract-card p {
    font-size: 0.9rem;
    margin-bottom: 20px;
    min-height: 45px;
}

/* ── Graveyard ── */
.grave-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: linear-gradient(90deg, rgba(239, 68, 68, 0.05), transparent);
    border-left: 3px solid var(--accent-color);
    margin-bottom: 12px;
}