:root {
    --bg-black: #0a0a0a;
    --card-dark: #1a1a1a;
    --neon-green: #39ff14;
    --neon-purple: #bc13fe;
    --neon-pink: #ff00ff;
    --text-white: #ffffff;
    --text-gray: #a0a0a0;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Pretendard', sans-serif;
}

body {
    background-color: #222;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: var(--text-white);
}

.app-container {
    width: 100%;
    max-width: 420px;
    height: 90vh;
    background-color: var(--bg-black);
    border-radius: 40px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 30px rgba(57, 255, 20, 0.2);
    display: flex;
    flex-direction: column;
    border: 2px solid #333;
}

/* Page Transitions */
.page {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 30px 24px;
    transition: transform 0.3s ease-out;
    background-color: var(--bg-black);
}

.hidden {
    display: none !important;
}

/* 1. Intro Page (Login) */
#page-intro {
    justify-content: center;
    align-items: center;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-black) 0%, #1a1a1a 100%);
}

.logo-area {
    margin-bottom: 60px;
}

.logo-main {
    font-size: 3.5rem;
    font-weight: 900;
    letter-spacing: -2px;
    color: var(--neon-green);
    text-shadow: 0 0 10px var(--neon-green);
    font-style: italic;
}

.logo-sub {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-top: -10px;
}

.login-btns {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn-kakao {
    background-color: #FEE500;
    color: #3C1E1E;
    border: none;
    padding: 18px;
    border-radius: 16px;
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
}

.btn-phone {
    background-color: transparent;
    color: var(--text-white);
    border: 1px solid #444;
    padding: 18px;
    border-radius: 16px;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
}

/* 2. Dashboard Page */
.header-growth {
    margin-bottom: 24px;
}

.user-status {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.welcome-msg h2 {
    font-size: 1.5rem;
    font-weight: 800;
}

.welcome-msg span {
    color: var(--neon-purple);
    font-size: 0.9rem;
}

.point-status {
    text-align: right;
}

.points {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--neon-green);
}

.point-label {
    font-size: 0.7rem;
    color: var(--text-gray);
    display: block;
}

/* Future Asset Card */
.future-asset-card {
    background: linear-gradient(135deg, var(--neon-purple), #6366f1);
    padding: 24px;
    border-radius: 24px;
    margin-bottom: 30px;
    box-shadow: 0 10px 20px rgba(188, 19, 254, 0.3);
}

.future-asset-card h3 {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 8px;
}

.asset-amount {
    font-size: 2rem;
    font-weight: 900;
}

.asset-desc {
    font-size: 0.8rem;
    margin-top: 8px;
    opacity: 0.7;
}

/* Mission List */
.section-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.section-title h4 {
    font-size: 1.1rem;
    font-weight: 700;
}

.btn-admin-link {
    font-size: 0.8rem;
    color: var(--text-gray);
    text-decoration: underline;
    cursor: pointer;
}

.mission-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    overflow-y: auto;
    flex: 1;
}

.mission-card {
    background-color: var(--card-dark);
    border: 1px solid #333;
    padding: 20px;
    border-radius: 20px;
}

.mission-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
}

.mission-tag {
    font-size: 0.7rem;
    background-color: #333;
    padding: 4px 8px;
    border-radius: 6px;
    color: var(--neon-green);
}

.mission-period {
    font-size: 0.7rem;
    color: var(--text-gray);
}

.mission-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.progress-container {
    background-color: #000;
    height: 10px;
    border-radius: 5px;
    margin-bottom: 12px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--neon-green), #00ffcc);
    width: 0%;
    transition: width 0.5s;
}

.mission-footer {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
}

.reward-points {
    color: var(--neon-purple);
    font-weight: 700;
}

/* 3. Admin Page */
.admin-header {
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-bottom: 8px;
}

.form-group input, .form-group select {
    width: 100%;
    background-color: var(--card-dark);
    border: 1px solid #444;
    padding: 14px;
    border-radius: 12px;
    color: white;
    font-size: 1rem;
}

.btn-submit {
    background-color: var(--neon-green);
    color: black;
    border: none;
    padding: 18px;
    border-radius: 16px;
    font-weight: 800;
    font-size: 1.1rem;
    margin-top: 20px;
    cursor: pointer;
}

.btn-back {
    margin-top: 15px;
    background: transparent;
    color: var(--text-gray);
    border: none;
    cursor: pointer;
    text-decoration: underline;
}

/* Bottom Nav */
.bottom-nav {
    height: 80px;
    background-color: #000;
    display: flex;
    justify-content: space-around;
    align-items: center;
    border-top: 1px solid #222;
}

.nav-item {
    color: #555;
    font-size: 1.5rem;
    cursor: pointer;
}

.nav-item.active {
    color: var(--neon-green);
}