/* 
 * 4대 성인병과 예방법 - Center Alignment Tweaks
 */

@import url('https://fonts.googleapis.com/css2?family=Black+Han+Sans&family=Do+Hyeon&family=Jua&family=Noto+Sans+KR:wght@400;500;700&display=swap');

:root {
    --bg-mint: #E0F7FA;
    --header-black: #050505;
    --board-brown: #795548;
    --paper-white: #FFFFFF;

    /* Colors */
    --txt-mint: #00F0E4;
    --txt-white: #FFFFFF;
    --stroke-color: #000000;
}

* {
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-mint);
    background-image:
        linear-gradient(rgba(0, 105, 92, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 105, 92, 0.03) 1px, transparent 1px);
    background-size: 30px 30px;
    font-family: 'Noto Sans KR', sans-serif;
    color: #212121;
}

header {
    background-color: var(--header-black);
    padding: 2rem 0;
    text-align: center;
    border-bottom: 5px solid #333;
    width: 100%;
    box-sizing: border-box;
}

.header-sub,
.header-team {
    color: #CFD8DC;
    font-family: 'Jua';
    margin-top: 10px;
    font-size: 1rem;
}

.poster-title {
    font-family: 'Black Han Sans', sans-serif;
    font-size: 5rem;
    margin: 5px 0;
    line-height: 1.2;
    -webkit-text-stroke: 1px var(--stroke-color);
    text-shadow: 3px 3px 0px rgba(0, 0, 0, 0.5);
    word-break: keep-all;
}

.t-mint {
    color: var(--txt-mint);
}

.t-white {
    color: var(--txt-white);
}

/* Main Grid */
.container {
    max-width: 1400px;
    margin: 40px auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* Card Structure */
.clipboard {
    background-color: var(--board-brown);
    border-radius: 15px;
    padding: 15px;
    padding-top: 55px;
    position: relative;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    /* Enforce Square-ish Shape */
    aspect-ratio: 1 / 1.1;
    height: auto;
}

.clip {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 40px;
    background: linear-gradient(to bottom, #ECEFF1, #90A4AE);
    border-radius: 8px;
    border: 2px solid #607D8B;
    z-index: 10;
}

.clip::after {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    height: 8px;
    background: #546E7A;
    border-radius: 4px;
}

.paper {
    background-color: var(--paper-white);
    flex: 1;
    border-radius: 4px;
    padding: 20px 15px;
    display: flex;
    flex-direction: column;
    /* Default behavior: space out strictly if content is heavy, otherwise allows normal flow */
    justify-content: space-between;
    text-align: left;
    overflow: hidden;
}

/* New Utility to center specific content blocks */
.content-fill-center {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    /* Centers items vertically */
    gap: 15px;
    /* Moderate gap between items */
}

/* Titles */
.card-title {
    font-family: 'Black Han Sans', sans-serif;
    font-size: 2.6rem;
    margin: 0 0 12px 0;
    line-height: 1.1;
    text-align: center;
    -webkit-text-stroke: 0.8px var(--stroke-color);
    text-shadow: 2px 2px 0px rgba(0, 0, 0, 0.2);
}

/* Content */
p {
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0 0 8px 0;
    font-weight: 500;
    word-break: keep-all;
}

/* Lists */
ul,
ol {
    padding-left: 18px;
    margin: 0 0 8px 0;
    font-size: 0.85rem;
    line-height: 1.4;
}

li {
    margin-bottom: 3px;
}

/* Highlights & Boxes */
.hl-pen {
    background: linear-gradient(to bottom, transparent 40%, rgba(255, 235, 59, 0.6) 40%, rgba(255, 235, 59, 0.6) 90%, transparent 90%);
    padding: 0 3px;
}

.sticker {
    background: #FFF59D;
    border: 1px solid #FBC02D;
    color: #F57F17;
    font-family: 'Jua';
    padding: 10px;
    border-radius: 8px;
    text-align: center;
    font-size: 1rem;
    width: 100%;
}

.box-colored {
    border-radius: 8px;
    padding: 10px;
    margin-top: 5px;
    width: 100%;
}

.box-red {
    background: #FFEBEE;
}

.box-orange {
    background: #FFF3E0;
}

.box-blue {
    background: #E3F2FD;
}

.box-green {
    background: #E8F5E9;
}

.bmi-display {
    text-align: center;
    font-family: 'Black Han Sans';
    font-size: 3rem;
    color: #42A5F5;
    -webkit-text-stroke: 1.5px #1565C0;
    margin: 5px 0;
}

/* Prevention Grid */
.prev-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    width: 100%;
}

.prev-item {
    border: 2px solid #EEE;
    border-radius: 6px;
    padding: 4px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
}

.prev-head {
    display: inline-block;
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-family: 'Jua';
    font-size: 0.85rem;
    margin-bottom: 3px;
    align-self: center;
}

.prev-body {
    font-size: 0.8rem;
    line-height: 1.2;
}

/* Responsive */
@media (max-width: 1100px) {
    .container {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 0 20px;
    }

    .poster-title {
        /* Fixed typo from .main-title */
        font-size: 3.5rem;
    }
}

@media (max-width: 600px) {
    .container {
        grid-template-columns: 1fr;
        padding: 0 15px;
        /* Further reduce padding */
    }

    .poster-title {
        font-size: 2.2rem;
        /* Reduce for mobile */
        word-break: keep-all;
        /* Prevent awkward breaks */
    }
}

/* Floating Back Button */
.back-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px 25px;
    border-radius: 50px;
    text-decoration: none;
    font-family: 'Jua', sans-serif;
    font-size: 1.1rem;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.back-btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 30px rgba(102, 126, 234, 0.4);
    color: white;
}

@media (max-width: 768px) {
    .back-btn {
        bottom: 20px;
        right: 20px;
        padding: 12px 20px;
        font-size: 1rem;
    }
}