:root {
    --primary: #3a86ff;
    --secondary: #00b4d8;
    --accent: #ff5400;
    --success: #2ecc71;
    --danger: #e74c3c;
    --warning: #f39c12;
    --info: #3498db;
    --dark: #121212;
    --light: #f8f9fa;
    --muted: #95a5a6;
    --bg-dark: #1a1a1a;
    --bg-light: rgba(30, 30, 30, 0.95);
    --text-dark: #e0e0e0;
    --text-light: #ffffff;
    --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.7);
}

body {
    font-family: 'Roboto', sans-serif;
    background: var(--bg-dark);
    color: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.space-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

#background-canvas, #rocket-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    image-rendering: optimizeSpeed;
    will-change: transform;
}

#rocket-canvas {
    z-index: -1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    position: relative;
    z-index: 1;
    flex: 1;
}

header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 1.5rem;
    text-align: center;
    border-radius: 12px 12px 0 0;
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
    margin-top: 1rem;
    z-index: 2;
}

header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    animation: pulse 10s infinite;
    z-index: -1;
}

.header-stars {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><circle cx="20" cy="20" r="1" fill="white"/><circle cx="50" cy="30" r="1" fill="white"/><circle cx="80" cy="20" r="1" fill="white"/><circle cx="30" cy="70" r="1" fill="white"/><circle cx="70" cy="80" r="1" fill="white"/></svg>');
    opacity: 0.3;
    z-index: -1;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.rocket-icon {
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

nav {
    background: rgba(51, 51, 51, 0.9);
    padding: 0.5rem 0;
    border-radius: 0 0 12px 12px;
    box-shadow: var(--card-shadow);
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.nav-container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

nav button {
    background: none;
    border: none;
    color: var(--light);
    padding: 0.75rem 1.5rem;
    margin: 0.2rem;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
    border-radius: 8px;
    z-index: 1;
    overflow: hidden;
}

nav button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

nav button:hover::before {
    opacity: 0.2;
}

nav button.active {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

nav button.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50%;
    height: 3px;
    background: var(--accent);
    border-radius: 3px 3px 0 0;
}

main {
    display: flex;
    flex-direction: column;
    min-height: 50vh; /* Минимальная высота, чтобы не схлопывалась */
}

.tab-panel {
    display: none;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 12px;
    margin-top: 1rem;
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease-out;
    flex: 1; /* Чтобы все панели занимали одинаковую высоту */
}

.tab-panel.visible {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

#resources {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 0.5rem;
    background: var(--bg-light); /* Изменено на темный фон */
    padding: 1rem;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    margin-bottom: 1rem;
}

#resources span {
    font-size: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05); /* Изменено на темный фон */
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

#resources span:hover {
    transform: scale(1.05);
    background: rgba(255, 255, 255, 0.1); /* Изменено на темный фон */
}

.resource-bar {
  width: 100px;
  height: 8px;
  background-color: var(--dark); /* Изменено на темный фон */
  border-radius: 4px;
  overflow: hidden;
  margin-top: 4px;
}
.resource-bar > div {
  height: 100%;
  background-color: var(--accent);
  transition: width 0.5s ease;
}
.fuel-bar > div { background-color: var(--success); }
.parts-bar > div { background-color: var(--info); }
.rocket-parts-bar > div { background-color: var(--primary); }

.rocket-card, .mission-card, .tech-card, .shop-card, .achiev-card {
    background: var(--bg-light);
    padding: 1.25rem;
    margin-bottom: 1rem;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.rocket-card::before, .mission-card::before, .tech-card::before, .shop-card::before, .achiev-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 3px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    animation: slide 3s infinite;
}

@keyframes slide {
    0% { left: -100%; }
    20% { left: 0; }
    100% { left: 100%; }
}

.rocket-card:hover, .mission-card:hover, .tech-card:hover, .shop-card:hover, .achiev-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.rocket-card .actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-top: 0.8rem;
}

.rocket-card .actions button, .mission-card button, .tech-card button, .shop-card button {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.rocket-card .actions button:disabled, .mission-card button:disabled, .tech-card button:disabled, .shop-card button:disabled {
    background: var(--muted);
    cursor: not-allowed;
    opacity: 0.7;
}

.rocket-card .actions button:hover:not(:disabled),
.mission-card button:hover:not(:disabled),
.tech-card button:hover:not(:disabled),
.shop-card button:hover:not(:disabled) {
    background: var(--accent);
    transform: scale(1.05);
}

.status-ready { color: var(--success); }
.status-preparing { color: var(--warning); animation: blink 1s infinite; }
.status-exploring { color: var(--info); }
.status-failed { color: var(--danger); }

@keyframes blink {
    50% { opacity: 0.5; }
}

#notifications {
    position: fixed;
    top: 1rem;
    right: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 1000;
}

.notify {
    background: var(--bg-light);
    padding: 1rem 1.5rem;
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    animation: slideIn 0.3s ease-out;
    border-left: 4px solid transparent;
    max-width: 300px;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    margin-bottom: 0.5rem; /* Добавлен отступ между уведомлениями */
}

.notify.good { border-left-color: var(--success); }
.notify.bad { border-left-color: var(--danger); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.modal-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85); /* Затемненный фон */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    backdrop-filter: blur(8px); /* Усиленное размытие */
    -webkit-backdrop-filter: blur(8px);
    animation: fadeInBg 0.3s ease-out;
}

@keyframes fadeInBg {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 16px; /* Более мягкие углы */
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6); /* Более выраженная тень */
    width: min(90%, 500px);
    max-height: 90vh;
    overflow-y: auto;
    animation: popIn 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55); /* Пружинящая анимация */
}

@keyframes popIn {
    from { transform: scale(0.7); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal button {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    color: white;
    padding: 0.8rem 1.5rem;
    margin: 0.5rem 0.25rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.modal button.closebtn {
    background: var(--danger);
}

.modal button:hover {
    background: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.timer {
    color: var(--warning);
    font-weight: bold;
    font-size: 0.9rem;
    margin: 0.5rem 0;
    display: inline-block;
    padding: 0.3rem 0.6rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    animation: pulseTimer 2s infinite;
}

@keyframes pulseTimer {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    margin: 0.5rem 0;
    overflow: hidden;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.2);
}

.progress {
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 5px;
    transition: width 0.3s ease;
}

.shop-list, .mission-list, .tech-tree, .achievements-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.unlocked {
    border-left: 4px solid var(--success);
}

.locked {
    opacity: 0.7;
    filter: grayscale(30%);
}

.good { color: var(--success); }
.bad { color: var(--danger); }
.reward { color: var(--accent); }
.warning { color: var(--warning); }

/* Updated footer styles */
footer {
    background: rgba(0, 0, 0, 0.7);
    color: var(--light);
    padding: 1.5rem 1rem;
    text-align: center;
    margin-top: 2rem;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border-radius: 12px 12px 0 0;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.7);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

footer a {
    color: var(--light);
    text-decoration: none;
    transition: color 0.3s ease;
    margin: 0 0.3rem;
}

footer a:hover {
    color: var(--accent);
}

footer button {
    background: linear-gradient(135deg, var(--info), var(--primary));
    border: none;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    font-size: 0.9rem;
}

footer button:hover {
    background: linear-gradient(135deg, var(--primary), var(--info));
    transform: translateY(-2px);
}

/* New styles for the add rocket form */
.add-rocket-form {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    padding: 1rem;
    border-radius: 12px;
}

.add-rocket-form input {
    flex: 1;
    padding: 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(0, 0, 0, 0.3);
    color: var(--text-light);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.add-rocket-form input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(58, 134, 255, 0.5);
}

.add-rocket-form button {
    background: linear-gradient(135deg, var(--success), var(--info));
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.add-rocket-form button:hover {
    background: linear-gradient(135deg, var(--info), var(--success));
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .container {
        padding: 0 0.5rem;
    }

    header {
        padding: 1rem;
    }

    h1 {
        font-size: 2rem;
    }

    nav button {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    .tab-panel {
        padding: 1rem;
    }

    .shop-list, .mission-list, .tech-tree, .achievements-list {
        grid-template-columns: 1fr;
    }

    .rocket-card .actions {
        flex-direction: column;
    }

    .rocket-card .actions button {
        width: 100%;
    }

    .footer-content {
        flex-direction: column;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    #resources {
        flex-direction: column;
        align-items: flex-start;
    }

    #resources span {
        width: 100%;
        justify-content: space-between;
    }

    .modal {
        width: 95%;
        padding: 1rem;
    }

    .add-rocket-form {
        flex-direction: column;
        gap: 0.5rem;
    }

    .add-rocket-form input, .add-rocket-form button {
        width: 100%;
    }
}