/* ==========================================================================
   Support Page Styles
   ========================================================================== */

/* Override default card backgrounds to match page background */
.nb-card {
    background: var(--bg-color) !important;
}

/* Flashcard Container and Stack */
.flashcard-deck-wrapper {
    margin: 2.5rem auto;
    width: 100%;
    max-width: 550px;
    position: relative;
    padding-bottom: 10px;
}

.flashcard-stack {
    position: relative;
    width: 100%;
    height: 350px;
    margin-bottom: 2rem;
    user-select: none;
}

/* Base Flashcard styling */
.flashcard {
    position: absolute;
    width: 100%;
    height: 100%;
    perspective: 1000px;
    cursor: pointer;
    transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.5s cubic-bezier(0.25, 1, 0.5, 1), z-index 0.5s ease;
}

/* Inner container for 3D flip */
.flashcard-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.flashcard.flipped .flashcard-inner {
    transform: rotateY(180deg);
}

/* Front & Back Faces */
.flashcard-face {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden; /* Safari support */
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-card);
    background-color: var(--card-bg);
    color: var(--text-color);
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-sizing: border-box;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

/* Customize colors to be exactly as the user's existing colors */
/* Front Card Face */
.flashcard-front {
    align-items: center;
    text-align: center;
}

.flashcard-front h3 {
    font-size: 1.5rem;
    line-height: 1.35;
    margin: auto 0;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

/* Back Card Face */
.flashcard-back {
    transform: rotateY(180deg);
    align-items: flex-start;
    text-align: left;
}

.flashcard-back h3 {
    font-size: 1.25rem;
    margin-bottom: 0.8rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.3rem;
    width: 100%;
}

.flashcard-back ol {
    margin: 0 0 auto 1.3rem;
    font-size: 1.05rem;
    line-height: 1.5;
}

.flashcard-back ol li {
    margin-bottom: 0.4rem;
}

/* Top & Bottom Info for Faces */
.card-number {
    font-family: 'Space Mono', monospace;
    font-size: 0.9rem;
    font-weight: 700;
    opacity: 0.6;
    align-self: flex-start;
    margin-bottom: 1rem;
}

.flip-hint {
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    font-weight: 700;
    opacity: 0.5;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    align-self: center;
}

.flip-hint ion-icon {
    font-size: 1.1rem;
}

/* Card States for transitions (slide left/right with slight tilt) */
.flashcard.card-passed {
    transform: translate(-120%, 0) rotate(-8deg);
    opacity: 0;
    pointer-events: none;
    z-index: 1;
}

.flashcard.card-active {
    transform: translate(0, 0) rotate(0deg);
    opacity: 1;
    z-index: 10;
    pointer-events: auto;
}

.flashcard.card-upcoming {
    transform: translate(120%, 0) rotate(8deg);
    opacity: 0;
    pointer-events: none;
    z-index: 1;
}

/* Controls style */
.flashcard-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    max-width: 550px;
    margin: 0 auto;
}

.flashcard-controls .nb-btn {
    padding: 0;
    width: 50px;
    height: 50px;
    min-width: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border-radius: var(--radius-btn);
    box-shadow: var(--shadow-hover);
    border: var(--border-width) solid var(--border-color);
    background-color: var(--color-yellow);
    cursor: pointer;
    transition: transform 0.1s ease, box-shadow 0.1s ease, background-color 0.15s ease;
}

.flashcard-controls .nb-btn:hover {
    transform: translate(2px, 2px);
    box-shadow: var(--shadow-hover);
}

.flashcard-controls .nb-btn:active {
    transform: translate(4px, 4px);
    box-shadow: var(--shadow-active);
}

.deck-progress-container {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

#deck-progress-text {
    font-family: 'Space Mono', monospace;
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-color);
}

.deck-progress-bar-bg {
    width: 100%;
    height: 8px;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
    box-sizing: border-box;
}

.deck-progress-bar-fill {
    height: 100%;
    background-color: var(--color-mint);
    width: 20%;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Mobile adjustments */
@media (max-width: 600px) {
    .flashcard-stack {
        height: 380px;
    }
    
    .flashcard-front h3 {
        font-size: 1.3rem;
    }
    
    .flashcard-back h3 {
        font-size: 1.15rem;
    }
    
    .flashcard-back ol {
        font-size: 0.95rem;
    }
}


/* Contact Us Email Box */
.contact-email-card {
    background-color: var(--bg-color);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    display: block;
    margin: 2rem 0;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.contact-email-card:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px var(--shadow-color);
}

.contact-email-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.4rem;
}

.contact-email-card span {
    font-family: 'Space Mono', monospace;
    font-size: 1.4rem;
    font-weight: 700;
    text-decoration: underline;
}