@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;700&family=Noto+Sans+JP:wght@400;700&display=swap');

:root {
    --bg-color: #050505;
    --text-main: #f1f5f9;
    --text-muted: #a1a1aa;
    --text-dark: #52525b;
    --primary-red: #dc2626;
    --primary-red-hover: #ef4444;
    --card-bg: #0c0a09;
    --border-color: #1c1917;
    --nav-bg: rgba(0, 0, 0, 0.95);
    --footer-bg: #000000;
    --season-1-color: #f59e0b; /* Amber */
    --season-2-color: #10b981; /* Emerald */
    --season-3-color: #8b5cf6; /* Purple */
}

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

body {
    font-family: 'Noto Sans JP', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Text selection style */
::selection {
    background-color: var(--primary-red);
    color: white;
}

/* Font Helpers */
.oswald {
    font-family: 'Oswald', sans-serif;
}
.tekken-font {
    text-transform: uppercase;
    font-style: italic;
    letter-spacing: -0.05em;
}

/* Navigation */
nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: var(--nav-bg);
    border-bottom: 1px solid rgba(127, 29, 29, 0.4);
    backdrop-filter: blur(4px);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 16px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--primary-red);
    transition: color 0.3s;
    text-decoration: none;
}

.nav-logo:hover {
    color: var(--primary-red-hover);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 0.75rem;
    font-weight: bold;
}

.nav-links a {
    color: #64748b;
    text-decoration: none;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: white;
}

.nav-links .active {
    color: var(--primary-red-hover);
}

.nav-links span {
    color: var(--primary-red-hover);
}

/* Animated Hero Background */
@keyframes hero-bg-anim {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-section {
    position: relative;
    height: 180px;
    width: 100%;
    overflow: hidden;
    border-bottom: 1px solid #18181b;
    background: linear-gradient(-45deg, #000000, #3a0000, #0a000d, #000000);
    background-size: 400% 400%;
    animation: hero-bg-anim 15s ease infinite;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.4);
}

.hero-content {
    position: relative;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 16px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.hero-title {
    font-size: 1.875rem;
    font-weight: 900;
    letter-spacing: -0.05em;
}

@media (min-width: 768px) {
    .hero-title { font-size: 3rem; }
}

.hero-subtitle {
    color: var(--text-muted);
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-top: 8px;
}

/* Main Container */
main {
    flex-grow: 1;
    max-width: 1280px;
    margin: 0 auto;
    padding: 32px 16px;
    width: 100%;
}

/* Grid configurations */
.season-section {
    margin-bottom: 40px;
}

.season-section:last-child {
    margin-bottom: 0;
}

.base-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

@media (min-width: 640px) {
    .base-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 768px) {
    .base-grid { grid-template-columns: repeat(6, 1fr); }
}
@media (min-width: 1024px) {
    .base-grid { grid-template-columns: repeat(8, 1fr); }
}

/* Columns container for dynamic multi-column alignments */
.season-row-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 40px;
}

@media (min-width: 768px) {
    .season-row-container {
        grid-template-columns: 1fr 1fr;
    }
}

.season-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

@media (min-width: 640px) {
    .season-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Section Titles & Lines */
.group-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.group-title {
    font-size: 0.75rem;
    font-weight: bold;
    letter-spacing: 0.1em;
}

.group-title.text-zinc-500 { color: var(--text-muted); }
.group-title.text-amber-500 { color: var(--season-1-color); }
.group-title.text-emerald-500 { color: var(--season-2-color); }
.group-title.text-purple-500 { color: var(--season-3-color); }

.header-line {
    flex-grow: 1;
    height: 1px;
    background: linear-gradient(to right, #27272a, transparent);
}

/* Character Card CSS */
.character-card {
    border: 2px solid var(--border-color);
    background-color: #0c0a09;
    border-radius: 4px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    text-decoration: none;
    color: inherit;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.character-card.ready-card {
    cursor: pointer;
    background-color: #020202;
}

.character-card.prep-card {
    cursor: not-allowed;
    opacity: 0.5;
}

.character-card.ready-card:hover {
    border-color: var(--primary-red-hover);
    transform: scale(1.08);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.5);
    z-index: 20;
}

/* Character image aspect and grids */
.card-image-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background-color: #18181b;
    border-bottom: 1px solid rgba(24, 24, 27, 0.6);
    transition: border-color 0.3s;
}

.character-card.ready-card:hover .card-image-wrap {
    border-color: rgba(239, 68, 68, 0.4);
}

.card-image-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background-color: rgba(24, 24, 27, 0.6);
    transition: background-color 0.3s;
}

.character-card:hover .card-image-bg {
    background-color: #27272a;
}

.card-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 10;
    transition: transform 0.5s;
}

.character-card.ready-card:hover .card-img {
    transform: scale(1.05);
}

.card-img.grayscale {
    filter: grayscale(1) contrast(0.5);
    opacity: 0.6;
    transition: opacity 0.3s;
}

.character-card:hover .card-img.grayscale {
    opacity: 0.8;
}

.card-fallback {
    position: absolute;
    inset: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.1;
    transition: opacity 0.3s;
}

.character-card.ready-card .card-fallback {
    opacity: 0.25;
}

.character-card:hover .card-fallback {
    opacity: 0.3;
}

.card-fallback svg {
    width: 48px;
    height: 48px;
    fill: currentColor;
}

/* Card Information & Labels */
.card-info {
    padding: 10px;
    background-color: #050505;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    min-height: 42px;
}

.card-name {
    font-size: 11px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.05em;
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: #a1a1aa;
    transition: color 0.3s;
}

@media (min-width: 768px) {
    .card-name { font-size: 12px; }
}

.character-card.ready-card:hover .card-name {
    color: #f87171;
}

.card-status {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.badge {
    font-size: 7px;
    font-weight: 900;
    padding: 2px 4px;
    border-radius: 2px;
    letter-spacing: 0.05em;
}

.badge-ready {
    background-color: rgba(69, 10, 10, 0.8);
    color: #ef4444;
    border: 1px solid rgba(127, 29, 29, 0.5);
    animation: pulse-badge 2s infinite;
}

.badge-prep {
    background-color: #18181b;
    color: #52525b;
    border: 1px solid #27272a;
}

@keyframes pulse-badge {
    0%, 100% { opacity: 1; }
    50% { opacity: .5; }
}

/* Coming Soon Placeholder Block */
.placeholder-box {
    border: 1px dashed #27272a;
    border-radius: 4px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background-color: rgba(9, 9, 11, 0.2);
}

.placeholder-title {
    font-size: 12px;
    font-weight: bold;
    letter-spacing: 0.1em;
    color: #3f3f46;
    margin-bottom: 4px;
}

.placeholder-subtitle {
    font-size: 9px;
    color: #27272a;
    font-weight: bold;
    letter-spacing: 0.05em;
}

/* Update History Style */
.history-section {
    margin-top: 64px;
    border-top: 1px solid #18181b;
    padding-top: 40px;
}

.history-title-wrap {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.history-heading {
    font-size: 0.75rem;
    font-weight: bold;
    letter-spacing: 0.1em;
    color: var(--primary-red-hover);
    display: flex;
    align-items: center;
    gap: 8px;
}

.history-accent-line {
    width: 6px;
    height: 16px;
    background-color: var(--primary-red);
    display: inline-block;
}

.history-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 896px;
}

.history-item {
    padding: 16px;
    background-color: rgba(5, 5, 5, 0.6);
    border: 1px solid #18181b;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    justify-content: space-between;
    transition: border-color 0.3s;
}

.history-item:hover {
    border-color: #27272a;
}

@media (min-width: 640px) {
    .history-item {
        flex-direction: row;
        align-items: center;
    }
}

.history-left {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

@media (min-width: 640px) {
    .history-left {
        align-items: center;
    }
}

.history-date {
    font-size: 9px;
    background-color: #450a0a;
    color: #ef4444;
    border: 1px solid rgba(127, 29, 29, 0.4);
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: bold;
    flex-shrink: 0;
}

.history-date.muted {
    background-color: #1c1917;
    color: #a1a1aa;
    border: 1px solid #27272a;
}

.history-text {
    font-size: 12px;
    color: #d4d4d8;
    line-height: 1.5;
}

.history-tag {
    font-size: 8px;
    color: #52525b;
    font-weight: bold;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    align-self: flex-end;
}

@media (min-width: 640px) {
    .history-tag {
        align-self: auto;
    }
}

/* Loading Screen styles */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    transition: opacity 0.5s ease;
}

.loader-text {
    font-size: 24px;
    color: var(--primary-red-hover);
    letter-spacing: 0.15em;
    animation: pulse-loader 1.5s infinite;
}

@keyframes pulse-loader {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Toast Popup styles */
.toast-box {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 50;
    background-color: #09090b;
    border: 1px solid #450a0a;
    color: white;
    padding: 16px 20px;
    border-radius: 4px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.9), 0 8px 10px -6px rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
    transform: translateY(100px);
    opacity: 0;
    pointer-events: none;
}

.toast-box.show {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.toast-ping {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--primary-red-hover);
    animation: ping 1s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {
    75%, 100% {
        transform: scale(2);
        opacity: 0;
    }
}

.toast-text {
    font-size: 12px;
    font-weight: bold;
    letter-spacing: 0.05em;
}

/* Footer styles */
footer {
    border-top: 1px solid #09090b;
    background-color: var(--footer-bg);
    padding: 32px 0;
}

.footer-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 16px;
    text-align: center;
}

.footer-text {
    color: #3f3f46;
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    line-height: 1.625;
}