:root {
    --bg-color: #181920;
    --header-bg: rgba(24, 25, 32, 0.8);
    --primary-text: #ffffff;
    --secondary-text: #9e9e9e;
    --card-bg: #21242d;
    --card-border: #363a45;
    --input-bg: #2c2f3a;
    --accent-blue: #58a6ff;
    --accent-green: #56d364;
    --btn-bg: #373b4a;
    --btn-hover-bg: #4a4f62;
    --btn-action-bg: var(--accent-blue);
    color-scheme: dark;
}

[data-theme="light"] {
    --bg-color: #f5f5f5;
    --header-bg: rgba(255, 255, 255, 0.8);
    --primary-text: #1f1f1f;
    --secondary-text: #666666;
    --card-bg: #ffffff;
    --card-border: #e0e0e0;
    --input-bg: #f0f2f5;
    --accent-blue: #007aff;
    --accent-green: #34c759;
    --btn-bg: #e9e9eb;
    --btn-hover-bg: #dcdce0;
    --btn-action-bg: var(--accent-blue);
    color-scheme: light;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--primary-text);
    overscroll-behavior: none;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.app-container {
    max-width: 600px;
    margin: 0 auto;
    padding-bottom: 80px;
}

.sticky-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background-color: var(--header-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--card-border);
}

.header-content {
    padding: 16px;
}

.header-top {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    margin-bottom: 16px;
}

.header-content h1 {
    font-size: 22px;
    font-weight: 700;
    margin: 0;
}

.header-actions {
    position: absolute;
    right: 0;
}

#lang-switcher-btn {
    background: none;
    border: none;
    color: var(--primary-text);
    font-size: 24px;
    cursor: pointer;
    padding: 5px;
}

.search-bar {
    position: relative;
    margin-bottom: 12px;
}

.search-icon {
    position: absolute;
    top: 50%;
    left: 16px;
    transform: translateY(-50%);
    color: var(--secondary-text);
    width: 20px;
    height: 20px;
}

#search-input {
    width: 100%;
    padding: 12px 16px 12px 48px;
    border-radius: 12px;
    border: 1.5px solid var(--card-border);
    background-color: var(--input-bg);
    color: var(--primary-text);
    font-size: 16px;
    outline: none;
    transition: all 0.2s ease;
}

#search-input:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.3);
}

.filters-bar {
    display: flex;
    gap: 12px;
}

.filter-control {
    flex: 1;
    position: relative;
}

.filter-control select {
    width: 100%;
    padding: 12px 14px;
    background-color: var(--input-bg);
    border: 1.5px solid var(--card-border);
    border-radius: 12px;
    color: var(--primary-text);
    font-size: 16px;
    font-weight: 500;
    outline: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239e9e9e' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 16px;
    transition: border-color 0.2s ease;
}

.filter-control select:hover {
    border-color: var(--secondary-text);
}

[data-theme="light"] .filter-control select {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
}

.legend {
    display: flex;
    gap: 16px;
    justify-content: center;
    padding: 8px 16px;
    font-size: 12px;
    color: var(--secondary-text);
    align-items: center;
}

.legend-item {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.legend-item.vacancy-legend {
    background-color: var(--accent-blue);
}

.legend-item.resume-legend {
    background-color: var(--accent-green);
}

.content-area {
    padding: 16px;
}

#results-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 16px;
    cursor: pointer;
    transition: box-shadow 0.2s ease;
}

.card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    color: var(--secondary-text);
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-author {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    min-width: 0;
}

.card-author span {
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-date {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    padding-left: 10px;
}

.card-body h2 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.card-company {
    font-size: 14px;
    color: var(--secondary-text);
    margin-bottom: 12px;
}

.card-badge {
    font-size: 10px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    color: white;
    margin-left: 8px;
}

.card-badge.vacancy {
    background-color: var(--accent-blue);
}

.card-badge.resume {
    background-color: var(--accent-green);
}

.card-full-text {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, opacity 0.5s ease, margin-top 0.5s ease;
    opacity: 0;
    white-space: pre-wrap;
    font-size: 14px;
    color: var(--secondary-text);
}

.card.expanded .card-full-text {
    max-height: 1000px;
    opacity: 1;
    margin-top: 16px;
}

.card-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 14px;
    color: var(--secondary-text);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 16px;
}

.card-tag {
    background-color: var(--btn-bg);
    color: var(--secondary-text);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.card-footer {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 16px;
}

.card-button {
    text-decoration: none;
    background: var(--btn-bg);
    border: none;
    color: var(--primary-text);
    padding: 8px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
    font-size: 14px;
}

.card-button.action {
    background: var(--btn-action-bg);
    color: white;
}

.card-button:hover {
    opacity: 0.8;
}

#loader,
#placeholder {
    padding: 40px 0;
    text-align: center;
}

.loader-hidden,
.hidden {
    display: none !important;
}

.spinner {
    margin: auto;
    width: 36px;
    height: 36px;
    border: 4px solid var(--card-bg);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.placeholder-icon {
    font-size: 48px;
    margin-bottom: 16px;
    animation: float 3s ease-in-out infinite;
}

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

.placeholder-text {
    font-size: 16px;
    color: var(--secondary-text);
}

#show-more-btn {
    width: calc(100% - 32px);
    margin: 16px auto 0 auto;
    display: block;
    padding: 12px;
    border-radius: 12px;
    border: none;
    background: var(--btn-bg);
    color: var(--primary-text);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

#show-more-btn:hover {
    background: var(--btn-hover-bg);
}

footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
    background: var(--header-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--card-border);
    padding: 10px 0 calc(10px + env(safe-area-inset-bottom));
    z-index: 100;
}

.nav-btn {
    background: none;
    border: none;
    color: var(--primary-text);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 8px;
    transition: background-color 0.2s ease;
}

.nav-btn:hover {
    background-color: var(--btn-hover-bg);
}

#filters-page {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-color);
    z-index: 200;
    transform: translateY(100%);
    transition: transform 0.3s ease-in-out;
    display: flex;
    flex-direction: column;
}

#filters-page.visible {
    transform: translateY(0);
}

.filters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    border-bottom: 1px solid var(--card-border);
    flex-shrink: 0;
}

.filters-header h2 {
    font-size: 20px;
}

#filters-close-btn {
    background: var(--btn-action-bg);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 8px 16px;
    font-weight: 600;
    cursor: pointer;
}

.filters-content {
    padding: 16px;
    overflow-y: auto;
    flex-grow: 1;
}

.filter-group {
    margin-bottom: 24px;
}

.filter-group h3 {
    margin-bottom: 12px;
    font-size: 16px;
    color: var(--secondary-text);
}

.filter-select {
    width: 100%;
    padding: 12px;
    background-color: var(--input-bg);
    border: 1.5px solid var(--card-border);
    border-radius: 12px;
    color: var(--primary-text);
    font-size: 16px;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239e9e9e' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 16px;
}

#language-modal {
    position: fixed;
    inset: 0;
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    transition: opacity 0.3s ease;
}

#language-modal.modal-hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-content {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    width: 90%;
    max-width: 320px;
    padding: 24px;
    text-align: center;
}

.modal-header h2 {
    font-size: 18px;
    margin-bottom: 20px;
    line-height: 1.4;
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.lang-btn {
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    border: none;
    background: var(--btn-bg);
    color: var(--primary-text);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.lang-btn:hover {
    background-color: var(--btn-hover-bg);
}