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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Arial', sans-serif;
    background: transparent;
    color: #fff;
    overflow-x: hidden;
    line-height: 1.6;
}

body.subpage {
    background: transparent;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Centralna treść */
.central-content {
    width: 95%;
    max-width: 800px;
    margin: auto;
}

.content-box {
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 60px;
    text-align: center;
    box-shadow: 0 0 100px rgba(0, 168, 255, 0.2);
}

.content-slide {
    display: none;
    animation: fadeIn 0.5s ease-out;
}

.content-slide.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.content-slide h2 {
    font-size: 3.5em;
    color: #00a8ff;
    margin-bottom: 30px;
    text-shadow: 0 0 20px rgba(0, 168, 255, 0.5);
}

.content-slide h3 {
    font-size: 2.8em;
    color: #00a8ff;
    margin-bottom: 30px;
}

.content-slide p {
    font-size: 1.4em;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
}

.content-slide ul {
    list-style: none;
    margin: 30px 0;
    text-align: left;
}

.content-slide ul li {
    margin: 20px 0;
    padding-left: 35px;
    position: relative;
    font-size: 1.3em;
}

.content-slide ul li:before {
    content: '→';
    position: absolute;
    left: 0;
    color: #00a8ff;
    font-size: 1.2em;
}

.nav-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
}

.next-button,
.prev-button {
    display: inline-block;
    padding: 15px 30px;
    background: rgba(0, 168, 255, 0.1);
    border: 1px solid rgba(0, 168, 255, 0.3);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #00a8ff;
    font-size: 1.2em;
}

.next-button:hover,
.prev-button:hover {
    background: rgba(0, 168, 255, 0.2);
    transform: translateY(-2px);
}

.action-buttons {
    display: flex;
    gap: 30px;
    justify-content: center;
    margin: 40px 0;
}

.action-button {
    display: inline-block;
    padding: 20px 40px;
    background: #00a8ff;
    color: #fff;
    text-decoration: none;
    border-radius: 30px;
    transition: all 0.3s ease;
    font-size: 1.3em;
    font-weight: bold;
    letter-spacing: 1px;
}

.action-button:hover {
    background: #0086cc;
    transform: translateY(-2px);
}

#content-frame {
    width: 100%;
    height: 100vh;
    border: none;
    transition: all 1s ease-in-out;
    transform: translateY(50px);
    opacity: 0;
}

#content-frame.visible {
    transform: translateY(0);
    opacity: 1;
}

/* Animacja dla iframe */
@keyframes slideIn {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.slide-in {
    animation: slideIn 1s ease-in-out forwards;
}

/* Lewe zakładki */
.left-tabs {
    position: fixed;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 100;
}

.left-tab {
    position: relative;
    background: transparent;
    color: white;
    text-decoration: none;
    padding: 12px;
    width: 180px;
    overflow: hidden;
    transform: translateX(-120px);
    transition: transform 0.3s ease;
}

.left-tab .tab-content {
    display: flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}

.left-tab .tab-text {
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: center;
    white-space: nowrap;
    gap: 8px;
}

.left-tab .label-text {
    margin-right: 10px;
}

.petition-counter {
    display: inline-block;
    font-size: 0.8em;
    color: rgb(0, 168, 255);
    font-weight: bold;
    text-shadow: 0 0 10px rgba(0, 168, 255, 0.5);
    background: rgba(0, 168, 255, 0.1);
    padding: 2px 6px;
    border-radius: 10px;
    white-space: nowrap;
}

.left-tab:hover {
    transform: translateX(0);
    background: var(--glass-effect);
    backdrop-filter: blur(10px);
    border-radius: 0 10px 10px 0;
    box-shadow: 0 0 20px rgba(0, 168, 255, 0.3);
}

.left-tab:hover .tab-text {
    opacity: 1;
}

.left-tab .emoji {
    font-size: 2em;
    min-width: 40px;
    text-align: center;
    transition: transform 0.3s ease;
    margin-left: auto;
}

.left-tab:hover .emoji {
    transform: scale(1.1);
}

.left-tab::before {
    content: '';
    position: absolute;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        -120deg,
        transparent,
        rgba(0, 168, 255, 0.3),
        transparent
    );
    transition: 0.5s;
}

.left-tab:hover::before {
    right: 100%;
}

/* Responsywność */
@media (max-width: 768px) {
    .content-box {
        padding: 20px;
    }

    .content-slide h2 {
        font-size: 2em;
    }

    .content-slide h3 {
        font-size: 1.5em;
    }

    .content-slide p {
        font-size: 1em;
    }

    .action-buttons {
        flex-direction: column;
    }
}

/* Responsywność dla lewych zakładek */
@media (max-width: 768px) {
    .left-tab {
        transform: translateX(-140px);
    }
    
    .left-tab:hover {
        transform: translateX(0);
    }
}