css/transitions.css

/* ===========================================
   ADAPTIVE TACTICS - Transitions Stylesheet
   =========================================== */

/* Screen Transitions */
.screen {
    transition: opacity 0.4s ease-in-out;
}

.screen.fade-in {
    animation: fadeIn 0.4s ease-in-out forwards;
}

.screen.fade-out {
    animation: fadeOut 0.4s ease-in-out forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

/* Transition Screen Entrance */
#transition-screen.active .transition-content {
    animation: transitionSlideIn 0.6s ease-out forwards;
}

@keyframes transitionSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Portrait Reveal */
#transition-portrait {
    animation: portraitReveal 0.8s ease-out 0.2s both;
}

@keyframes portraitReveal {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Quote Fade In */
.transition-quote {
    animation: quoteFadeIn 0.6s ease-out 0.4s both;
}

.transition-hint {
    animation: quoteFadeIn 0.6s ease-out 0.6s both;
}

@keyframes quoteFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Phase Banner */
.phase-banner {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--gold);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
    z-index: 500;
    pointer-events: none;
    animation: phaseBannerShow 1.5s ease-in-out forwards;
}

.phase-banner--enemy {
    color: var(--crimson);
}

@keyframes phaseBannerShow {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.8);
    }
    15% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
    85% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

/* Victory Banner */
.victory-banner {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--gold);
    text-shadow: 0 0 20px rgba(212, 168, 75, 0.6);
    z-index: 500;
    pointer-events: none;
    animation: victoryBannerShow 2s ease-in-out forwards;
}

@keyframes victoryBannerShow {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.5);
    }
    20% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.1);
    }
    30% {
        transform: translate(-50%, -50%) scale(1);
    }
    80% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(1);
    }
}

/* Defeat Flash */
.defeat-flash {
    position: fixed;
    inset: 0;
    background: var(--crimson);
    z-index: 400;
    pointer-events: none;
    animation: defeatFlash 0.5s ease-out forwards;
}

@keyframes defeatFlash {
    0% {
        opacity: 0.6;
    }
    100% {
        opacity: 0;
    }
}

/* Unit Move Animation */
.unit-sprite--moving {
    transition: left 0.2s ease, top 0.2s ease;
}

/* Combat Shake */
.tile--shake {
    animation: combatShake 0.3s ease;
}

@keyframes combatShake {
    0%, 100% {
        transform: translateX(0);
    }
    20% {
        transform: translateX(-2px);
    }
    40% {
        transform: translateX(2px);
    }
    60% {
        transform: translateX(-2px);
    }
    80% {
        transform: translateX(1px);
    }
}

/* Button Press Effect */
button:active:not(:disabled) {
    transform: scale(0.98);
}

/* Loading Spinner (for async operations) */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-mid);
    border-top-color: var(--gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Modal Transitions */
.modal {
    transition: opacity 0.3s ease;
}

.modal .modal-content {
    transition: transform 0.3s ease;
}

.modal.active .modal-content {
    animation: modalSlideIn 0.3s ease forwards;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}