/* --- Global Reset & Variables --- */
:root {
    --purple-deep: #2D004F;
    --purple-dark: #1a0033;
    --gold: #D4AF37;
    --gold-glow: rgba(212, 175, 55, 0.6);
    --lavender: #E6E6FA;
    --white: #ffffff;
    --transition: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background: radial-gradient(circle at center, var(--purple-deep), var(--purple-dark));
    color: var(--lavender);
    font-family: 'Poppins', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow: hidden; /* Prevents bounce on mobile */
}

/* --- Container & Header --- */
.main-container {
    text-align: center;
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.app-header h1 {
    font-family: 'Syncopate', sans-serif;
    font-size: 1.8rem;
    letter-spacing: 4px;
    color: var(--gold);
    margin-bottom: 5px;
    text-shadow: 0 0 15px var(--gold-glow);
}

.tagline {
    font-size: 0.85rem;
    opacity: 0.8;
    margin-bottom: 30px;
}

/* --- The 3D Photocard --- */
.card-zone {
    perspective: 1000px; /* Required for 3D flip */
    margin-bottom: 40px;
}

.photocard-container {
    width: 260px;
    height: 380px;
    margin: 0 auto;
    cursor: pointer;
}

.pc-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform var(--transition);
    transform-style: preserve-3d;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    border-radius: 20px;
}

/* This class is toggled by JavaScript */
.photocard-container.is-flipped .pc-inner {
    transform: rotateY(180deg);
}

.pc-front, .pc-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: 20px;
    border: 3px solid var(--gold);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

/* Front Side Styling */
.pc-front {
    background: linear-gradient(135deg, #3d0066 0%, #2D004F 100%);
    color: var(--gold);
}

.pc-design {
    border: 1px solid var(--gold-glow);
    padding: 40px 20px;
    border-radius: 15px;
}

.pc-logo {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 10px;
    font-family: 'Syncopate', sans-serif;
}

/* Back Side (The Reveal) Styling */
.pc-back {
    background: var(--white);
    color: var(--purple-deep);
    transform: rotateY(180deg);
    padding: 15px;
    overflow: hidden;
}

.pc-back img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 15px;
    border: 2px solid var(--gold);
}

.pc-back h3 {
    font-size: 1.4rem;
    margin-bottom: 5px;
    color: var(--purple-deep);
}

.phone-display {
    background: var(--purple-dark);
    color: var(--gold);
    padding: 10px;
    border-radius: 10px;
    font-family: monospace;
    font-size: 1.1rem;
    margin-top: 10px;
    width: 100%;
}

/* --- Controls & Buttons --- */
.draw-btn {
    background: var(--gold);
    color: var(--purple-deep);
    border: none;
    padding: 18px 40px;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 0 20px var(--gold-glow);
    transition: 0.3s ease}