:root {
    --background: #F5F5F5;
    --container-bg: #FFFFFF;
    --text-primary: #333333;
    --text-secondary: #666666;
    --success: #4CAF50;
    --success-hover: #45A049;
    --error: #EF5350;
    --error-hover: #D32F2F;
    --loading: #2196F3;
    --result-success-bg: #E8F5E9;
    --result-error-bg: #FFEBEE;
    --result-loading-bg: #E3F2FD;
    --tooltip-bg: #333333;
    --tooltip-text: #FFFFFF;
    --overlay: rgba(0, 0, 0, 0.5);
    --border-color: #E0E0E0;
    --input-bg: #FFFFFF;
    --input-focus: #E3F2FD;
    --checkbox-bg: #F5F5F5;
    --checkbox-checked: #4CAF50;
}

@media (prefers-color-scheme: dark) {
    :root {
        --background: #1E1E2E;
        --container-bg: #2A2A3C;
        --text-primary: #E0E0E0;
        --text-secondary: #A0A0A0;
        --result-success-bg: #2A2A3C;
        --result-error-bg: #2A2A3C;
        --result-loading-bg: #2A2A3C;
        --border-color: #3A3A4C;
        --input-bg: #2A2A3C;
        --input-focus: #3A3A4C;
        --checkbox-bg: #3A3A4C;
    }
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

body {
    background-color: var(--background);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
    transition: background-color 0.3s ease;
}

.container {
    width: 100%;
    max-width: 800px;
}

.form-container {
    background-color: var(--container-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    z-index: 1;
    pointer-events: none;
}

h1 {
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

input[type="text"],
input[type="url"],
select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background-color: var(--input-bg);
    color: var(--text-primary);
    transition: all 0.3s ease;
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

input[type="text"]:focus,
input[type="url"]:focus,
select:focus {
    border-color: var(--loading);
    box-shadow: 0 0 0 3px var(--input-focus);
    outline: none;
}

input::placeholder {
    color: var(--text-secondary);
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 8px;
    border-radius: 8px;
    background-color: var(--checkbox-bg);
    transition: all 0.3s ease;
    cursor: pointer;
}

.checkbox-label:hover {
    background-color: var(--input-focus);
}

input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--checkbox-checked);
}

.submit-btn {
    width: 100%;
    padding: 14px;
    background-color: var(--success);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.submit-btn:hover {
    background-color: var(--success-hover);
    transform: translateY(-2px);
}

.delete-btn {
    width: 100%;
    padding: 14px;
    background-color: var(--error);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.delete-btn:hover {
    background-color: var(--error-hover);
    transform: translateY(-2px);
}

.result-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
    display: none;
}

.result-box {
    background-color: var(--container-bg);
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    text-align: center;
    min-width: 300px;
    position: relative;
    animation: modalFadeIn 0.3s ease;
}

.close-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 5px;
    transition: color 0.3s ease;
}

.close-btn:hover {
    color: var(--text-primary);
}

.result-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.result-icon.success {
    color: var(--success);
}

.result-icon.error {
    color: var(--error);
}

.result-icon.loading {
    color: var(--loading);
}

.result-title {
    font-size: 20px;
    margin-bottom: 12px;
    font-weight: bold;
}

.result-title.success {
    color: var(--success);
}

.result-title.error {
    color: var(--error);
}

.result-title.loading {
    color: var(--loading);
}

.result-message {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.result-box .result-message {
    /* Messages within error/success/loading boxes could potentially have different styling if needed, but keeping text-secondary for now */
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--overlay);
    z-index: 999;
    display: none;
    animation: overlayFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, -48%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

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

@media (max-width: 768px) {
    body {
        padding: 10px;
        background: linear-gradient(135deg, #6B73FF 0%, #000DFF 100%);
    }

    .container {
        width: 100%;
        padding: 0;
    }

    .form-container {
        padding: 1.5rem;
        border-radius: 15px;
        margin: 0;
        box-shadow: 0 10px 20px rgba(0, 13, 255, 0.1);
    }

    h1 {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
        padding: 0 10px;
    }

    .form-group {
        margin-bottom: 1.2rem;
    }

    label {
        font-size: 0.95rem;
    }

    input[type="text"],
    input[type="url"],
    select {
        padding: 10px;
        font-size: 0.95rem;
    }

    .checkbox-group {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.8rem;
    }

    .checkbox-label {
        font-size: 14px;
        padding: 8px;
    }

    .submit-btn,
    .delete-btn {
        padding: 12px;
        font-size: 0.95rem;
        margin-top: 0.8rem;
    }

    .result-box {
        min-width: 280px;
        padding: 16px;
    }

    .result-icon {
        font-size: 40px;
    }

    .result-title {
        font-size: 18px;
    }

    .result-message {
        font-size: 14px;
    }

    .tooltip .tooltip-text {
        width: 250px;
        left: 0;
        transform: none;
        bottom: 100%;
        margin-bottom: 10px;
    }

    .tooltip .tooltip-text::after {
        left: 20px;
        margin-left: 0;
    }
}

@media (max-width: 480px) {
    body {
        padding: 5px;
    }

    .form-container {
        padding: 1rem;
        border-radius: 12px;
    }

    h1 {
        font-size: 1.2rem;
        margin-bottom: 1.2rem;
    }

    .form-group {
        margin-bottom: 1rem;
    }

    label {
        font-size: 0.9rem;
    }

    input[type="text"],
    input[type="url"],
    select {
        padding: 8px;
        font-size: 0.9rem;
    }

    .checkbox-group {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.6rem;
    }

    .checkbox-label {
        font-size: 13px;
        padding: 6px;
    }

    .submit-btn,
    .delete-btn {
        padding: 10px;
        font-size: 0.9rem;
    }

    .result-box {
        min-width: 250px;
        padding: 12px;
    }

    .result-icon {
        font-size: 36px;
    }

    .result-title {
        font-size: 16px;
    }

    .result-message {
        font-size: 13px;
    }

    .tooltip .tooltip-text {
        width: 200px;
        font-size: 12px;
        padding: 8px;
    }
}

/* iPhone SE va kichik ekranli qurilmalar uchun */
@media (max-width: 320px) {
    .form-container {
        padding: 0.8rem;
    }

    h1 {
        font-size: 1.1rem;
    }

    .form-group {
        margin-bottom: 0.8rem;
    }

    label {
        font-size: 0.85rem;
    }

    input[type="text"],
    input[type="url"],
    select {
        padding: 6px;
        font-size: 0.85rem;
    }

    .checkbox-group {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }

    .checkbox-label {
        font-size: 12px;
        padding: 5px;
    }

    .submit-btn,
    .delete-btn {
        padding: 8px;
        font-size: 0.85rem;
    }

    .tooltip .tooltip-text {
        width: 180px;
        font-size: 11px;
        padding: 6px;
    }
}

/* Landscape orientation uchun */
@media (max-height: 500px) and (orientation: landscape) {
    body {
        padding: 10px;
    }

    .form-container {
        padding: 1rem;
    }

    .checkbox-group {
        grid-template-columns: repeat(2, 1fr);
    }

    .submit-btn,
    .delete-btn {
        padding: 8px;
    }

    .tooltip .tooltip-text {
        bottom: auto;
        top: 100%;
        margin-top: 10px;
        margin-bottom: 0;
    }

    .tooltip .tooltip-text::after {
        top: -10px;
        bottom: auto;
        border-color: transparent transparent var(--tooltip-bg) transparent;
    }
}

/* Tablet qurilmalar uchun */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        max-width: 90%;
    }

    .form-container {
        padding: 1.5rem;
    }

    .checkbox-group {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Kontekst menyusini o'chirish */
.form-container {
    -webkit-context-menu: none;
    -moz-context-menu: none;
    -ms-context-menu: none;
    context-menu: none;
}

/* Saqlash uchun kerakli elementlar */
input[type="text"],
input[type="url"],
select,
.submit-btn,
.delete-btn {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

/* JavaScript bilan himoya qo'shish uchun class */
.protected {
    position: relative;
}

.protected::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    z-index: 9999;
}

.tooltip {
    position: relative;
    display: inline-block;
    margin-left: 5px;
    cursor: help;
}

.tooltip .tooltip-icon {
    color: var(--loading);
    font-size: 16px;
    font-weight: bold;
}

.tooltip .tooltip-text {
    visibility: hidden;
    width: 300px;
    background-color: var(--tooltip-bg);
    color: var(--tooltip-text);
    text-align: left;
    border-radius: 8px;
    padding: 12px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 14px;
    line-height: 1.4;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

.tooltip .tooltip-text::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: var(--tooltip-bg) transparent transparent transparent;
}

.security-warning {
    background-color: var(--result-loading-bg);
    border: 1px solid var(--loading);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    animation: fadeIn 0.5s ease;
}

.security-warning i {
    color: var(--loading);
    font-size: 24px;
    margin-top: 2px;
}

.security-warning p {
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
}

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