* {
    box-sizing: border-box;
    font-family: 'Vazir', sans-serif;
}

body {
    margin: 0;
    background: #191c24;
    color: #ffffff;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    padding-top: 70px;
    padding-bottom: 110px;
}

header,
footer {
    background: rgba(30, 30, 30, 0.5);
    backdrop-filter: blur(10px) saturate(120%);
    -webkit-backdrop-filter: blur(10px) saturate(120%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 56px;
    background: rgba(30, 30, 30, 0.5);
    backdrop-filter: blur(10px) saturate(120%);
    -webkit-backdrop-filter: blur(10px) saturate(120%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 0 1rem;
    overflow: visible;
}

#snow-canvas {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
    width: 100%;
    height: 56px;
    z-index: 0;
}


header::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background: transparent;
    z-index: 0;
}

header h1 {
    position: relative;
    z-index: 1;
    font-weight: bold;
    margin: 0 auto;
    pointer-events: none;
}

#back-btn {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 101;
    display: none;
}


main {
    flex: 1 0 auto;
    max-width: 1000px;
    margin: auto;
    padding: 3.5rem 1rem 6rem;
}

footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 0.8rem 1rem;
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    text-align: center;
    font-size: 0.85rem;
    line-height: 1.4;
    color: #ccc;
}

#loader {
    text-align: center;
    padding: 2rem;
    font-size: 1.2rem;
    color: #58a6ff;
}

.country-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    padding: 1rem;
    max-width: 1000px;
    margin: auto;
    transition: opacity 0.4s cubic-bezier(.4, 2, .6, 1), transform 0.4s cubic-bezier(.4, 2, .6, 1);
    opacity: 1;
}

.country-list.animated {
    opacity: 0;
    transform: translateY(30px) scale(0.98);
}

.country-list.animated-in {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.country-item {
    background: #212530;
    border: 1px solid #30363d;
    border-radius: 1rem;
    width: 180px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
}

.country-item:hover {
    background: #2a2f3c;
    transform: translateY(-3px);
}

.flag-img {
    width: 100%;
    height: 100px;
    object-fit: cover;
}

.country-info {
    padding: 0.8rem;
    text-align: center;
    color: #ffffff;
}

.country-info strong {
    display: block;
    margin-bottom: 0.3rem;
    font-size: 1.1rem;
}

.country-info small {
    display: block;
    opacity: 0.7;
}

.configs {
    padding: 1rem;
    max-width: 900px;
    margin: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.config-item {
    background: linear-gradient(145deg, #262a35, #1f232c);
    border: 1px solid #3a3f4b;
    border-radius: 1rem;
    padding: 1.5rem 1rem 2.5rem;
    position: relative;
    direction: ltr;
    text-align: left;
    white-space: pre-wrap;
    word-break: break-word;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    color: #e0e0e0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.config-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
}

.btn-copy,
.btn-copy-raw {
    position: absolute;
    bottom: 10px;
    background: #3cb371;
    color: white;
    border: none;
    padding: 0.35rem 0.7rem;
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 0.75rem;
    direction: rtl;
    line-height: 1.2;
    white-space: nowrap;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    transition: background 0.3s ease, transform 0.2s ease;
}

.btn-copy:hover,
.btn-copy-raw:hover {
    background: #2e8b57;
    transform: translateY(-2px);
}

.btn-copy {
    right: 1rem;
}

.btn-copy-raw {
    right: 90px;
}

@media (max-width: 480px) {
    .config-item {
        font-size: 0.85rem;
        padding: 1rem 0.75rem 2.25rem;
    }

    .btn-copy {
        right: 0.75rem;
    }

    .btn-copy-raw {
        right: 80px;
    }
}

a,
button {
    user-select: auto;
    cursor: pointer;
    pointer-events: auto;
}

.developed-by {
    margin: 0 0 0.5rem;
    font-size: 0.85rem;
    color: #fff;
    text-align: center;
}

.developed-by a {
    color: #58a6ff;
    text-decoration: none;
}

.developed-by a:hover {
    text-decoration: underline;
}

.social-buttons {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.btn-social {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    background: #2a2f3c;
    color: white;
    padding: 0.3rem 0.7rem;
    border-radius: 1.2rem;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.8rem;
    box-shadow: 0 3px 6px rgb(0 0 0 / 0.25);
    transition: background 0.3s ease, transform 0.2s ease;
}

.btn-social:hover {
    background: #58a6ff;
    color: white;
    transform: translateY(-2px);
}

.icon-circle {
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.btn-social svg {
    display: block;
    width: 14px;
    height: 14px;
}

#my-toast {
    display: none;
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    bottom: 110px;
    background: #23272f;
    color: #fff;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 1rem;
    min-width: 220px;
    max-width: 90vw;
    z-index: 9999;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
    transition: opacity 0.3s;
    opacity: 0;
}

@media (max-width: 600px) {
    #my-toast {
        font-size: 0.92rem;
        padding: 10px 10px;
        min-width: 140px;
    }
}

@media (max-width: 400px) {
    #my-toast {
        font-size: 0.85rem;
        padding: 8px 6px;
        min-width: 90px;
    }
}

#install-pwa-dialog {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(25, 28, 36, 0.85);
    backdrop-filter: blur(2px);
    align-items: center;
    justify-content: center;
}

#install-pwa-dialog>div {
    background: #23272f;
    color: #fff;
    border-radius: 1.5rem;
    max-width: 95vw;
    width: 370px;
    margin: auto;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
    padding: 2.2rem 1.2rem 1.5rem 1.2rem;
    text-align: center;
    position: relative;
}

#close-pwa-dialog {
    position: absolute;
    left: 1rem;
    top: 1rem;
    background: none;
    border: none;
    color: #aaa;
    font-size: 1.7rem;
    cursor: pointer;
}

#install-pwa-btn {
    background: #58a6ff;
    color: #fff;
    border: none;
    border-radius: 1rem;
    padding: 0.7rem 2.2rem;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.13);
    transition: background 0.2s;
}

#install-pwa-btn:hover {
    background: #4a9fd4;
}

#pwa-os-tip {
    font-size: 1rem;
    margin-bottom: 1.2rem;
    line-height: 1.7;
}

.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    vertical-align: middle;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #444;
    transition: .3s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: #fff;
    transition: .3s;
    border-radius: 50%;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.18);
}

input:checked+.slider {
    background: #58a6ff;
}

input:checked+.slider:before {
    transform: translateX(20px);
}

.info-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1001;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}
.info-modal.show {
    display: flex;
    opacity: 1;
}
.info-modal-content {
    background: #212530;
    padding: 25px 30px;
    border-radius: 12px;
    border: 1px solid #30363d;
    width: 90%;
    max-width: 550px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    position: relative;
    transform: scale(0.95);
    transition: transform 0.3s ease-in-out;
    color: #e0e0e0;
}
.info-modal.show .info-modal-content {
    transform: scale(1);
}
.info-modal-close {
    position: absolute;
    top: 10px;
    left: 15px;
    font-size: 28px;
    font-weight: bold;
    color: #aaa;
    cursor: pointer;
    transition: color 0.2s;
}
.info-modal-close:hover {
    color: #fff;
}
.info-modal h3 {
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: #58a6ff;
    text-align: center;
}
.info-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.info-list li {
    margin-bottom: 18px;
    font-size: 1rem;
    line-height: 1.6;
}
.info-list li a {
    color: #8ab4f8;
    text-decoration: none;
    font-weight: 500;
}
.info-list li a:hover {
    text-decoration: underline;
    color: #a1c9fa;
}
.info-list li sub {
    display: block;
    font-size: 0.85em;
    color: #b0b0b0;
    margin-top: 5px;
    line-height: 1.5;
}
.info-separator {
    border: 0;
    height: 1px;
    background: #3a3f4b;
    margin: 20px 0;
}
@media (max-width: 640px) {
    main {
        padding: 3rem 0.5rem 5rem;
    }
    .country-list {
        max-width: 380px;
        margin-left: auto;
        margin-right: auto;
        padding: 1rem 0;
        gap: 0.6rem;
        justify-content: center;
    }
    .country-item {
        width: 180px;
    }
    .flag-img {
        height: 95px;
        object-fit: cover;
    }
    .country-info {
        padding: 0.6rem 0.5rem;
    }
    .country-info strong {
        font-size: 0.9em;
        line-height: 1.3;
        margin-bottom: 0.25rem;
    }
    .country-info small {
        font-size: 0.75em;
    }
}