@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');
        
:root {
    /* Light mod renkleri */
    --background-color: #f8f9fa;
    --text-color: #132040;
    --secondary-text-color: #6c757d;
    --third-text-color: #ffffff;
    --card-bg: #ffffff;
    --border-color: #e9ecef;
    --header-bg-start: #1a1a2e;
    --header-bg-end: #16213e;
    --header-backdrop: rgba(255, 255, 255, 0.25);
    --header-border: rgba(255, 255, 255, 0.3);
    --shadow-color: rgba(0, 0, 0, 0.1);
    --shadow-color-strong: rgba(0, 0, 0, 0.15);
    --placeholder-bg: #f1f3f5;
    --handle-bg: rgba(248, 249, 250, 0.8);
}

[data-theme="dark"] {
    /* Dark mod renkleri */
    --background-color: #121212;
    --text-color: #c5a572;
    --secondary-text-color: #adb5bd;
    --card-bg: #132040;
    --border-color: #2a2a2a;
    --header-bg-start: #1a1a2e;
    --header-bg-end: #16213e;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --shadow-color-strong: rgba(0, 0, 0, 0.4);
    --placeholder-bg: #2a2a2a;
    --handle-bg: rgba(33, 33, 33, 0.8);
}

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

html, body {
    height: 100%;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    font-size: 18px;
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    flex: 1;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 0;
}

.header {
    background: linear-gradient(135deg, var(--header-bg-start) 0%, var(--header-bg-end) 100%);
    color: white;
    padding: 0;
    margin-bottom: 0;
    box-shadow: 0 10px 30px var(--shadow-color);
    text-align: center;
    position: relative;

    /*margin: 1vh 1vh 1.5vh 1vh;*/
    border-radius: 0;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        0 1px 0 rgba(255, 255, 255, 0.2) inset,
        0 -1px 0 rgba(0, 0, 0, 0.1) inset;
    text-align: center;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.header h1 {
    font-size: 0;
    margin-bottom: 1.5vh;
    font-weight: 600;
    letter-spacing: -0.5px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 2;
}

.header p {
    font-size: 2vw;
    opacity: 0.95;
    font-weight: 300;
    letter-spacing: 0.5px;
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cards-container {
    flex: 1;
    overflow: auto;
    padding: 0.5vh;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(500px, 1fr));
    gap: 0.8vh;
}

.price-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--shadow-color);
    padding: 2vh;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all 0.3s ease, background-color 0.3s ease;
    border-left: 4px solid transparent;
}

.price-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px var(--shadow-color-strong);
}

.price-card.card-up {
    background-color: rgba(40, 167, 69, 0.15);
    border-left: 4px solid #28a745;
}

.price-card.card-down {
    background-color: rgba(220, 53, 69, 0.15);
    border-left: 4px solid #dc3545;
}

.price-card.card-unchanged {
    background-color: rgba(180, 180, 180, 0.1);
    border-left: 4px solid #bdbdbd;
    transition: all 1s ease-out;
}

[data-theme="dark"] .price-card.card-unchanged {
    background-color: rgba(100, 100, 100, 0.15);
    border-left: 4px solid #555555;
}

.price-card.card-up .price-value,
.price-card.card-up .percent-container,
.price-card.card-up .product-name {
    color: #155724;
    font-weight: bold;
}

.price-card.card-down .price-value,
.price-card.card-down .percent-container,
.price-card.card-down .product-name {
    color: #721c24;
    font-weight: bold;
}

[data-theme="dark"] .price-card.card-up {
    background-color: rgba(40, 167, 69, 0.2);
}

[data-theme="dark"] .price-card.card-down {
    background-color: rgba(220, 53, 69, 0.2);
}

[data-theme="dark"] .price-card.card-up .price-value,
[data-theme="dark"] .price-card.card-up .percent-container,
[data-theme="dark"] .price-card.card-up .product-name {
    color: #8fd19e;
}

[data-theme="dark"] .price-card.card-down .price-value,
[data-theme="dark"] .price-card.card-down .percent-container,
[data-theme="dark"] .price-card.card-down .product-name {
    color: #ea868f;
}

.drag-handle {
    position: absolute;
    top: 1vh;
    right: 1vh;
    cursor: move;
    color: var(--secondary-text-color);
    background-color: var(--handle-bg);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 10;
}

.drag-handle:hover {
    background-color: var(--border-color);
    color: var(--text-color);
}

.product-name {
    font-size: 2.2vw;
    font-weight: 700;
    margin-bottom: 1.5vh;
    color: var(--text-color);
    padding-bottom: 1vh;
    border-bottom: 1px solid var(--border-color);
}

.price-details {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    margin-top: 1vh;
}

.price-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1vh;
    transition: all 1s ease-out;
}

.price-label {
    font-size: 1.5vw;
    color: var(--secondary-text-color);
    margin-bottom: 0.5vh;
}

.price-value {
    font-size: 2.2vw;
    font-weight: 500;
    margin-bottom: 1vh;
    color: var(--text-color);
}

.percent-container {
    display: flex;
    align-items: center;
    font-size: 1.8vw;
    font-weight: 700;
    padding: 1vh;
    color: var(--text-color);
}

.arrow-icon {
    margin-left: 0.5vw;
}

.arrow-up {
    color: #28a745;
}

.arrow-down {
    color: #dc3545;
}

.last-update {
    text-align: center;
    font-size: 1.5vw;
    color: var(--third-text-color);
    padding: 0.5vh;
    /*background-color: var(--card-bg);
    box-shadow: 0 4px 6px var(--shadow-color);*/
}

.ui-sortable-helper {
    background-color: var(--card-bg) !important;
    box-shadow: 0 10px 20px var(--shadow-color-strong);
    border-radius: 8px;
    opacity: 0.9;
    z-index: 1000;
}

.ui-sortable-placeholder {
    visibility: visible !important;
    background-color: var(--placeholder-bg);
    border-radius: 15px;
    box-shadow: inset 0 0 10px var(--shadow-color);
    margin: 0.5vh;
}

@media screen and (min-width: 1920px) {
    .product-name {
        font-size: 2.2rem;
    }
    
    .price-label {
        font-size: 1.3rem;
    }
    
    .price-value {
        font-size: 2rem;
    }
    
    .percent-container {
        font-size: 1.5rem;
    }
    
    .header h1 {
        font-size: 3.5rem;
        letter-spacing: -1px;
    }
    
    .header p {
        font-size: 1.8rem;
        letter-spacing: 0.8px;
    }
    
    .last-update {
        font-size: 1.3rem;
    }
    
    .header.hidden h1 {
        font-size: 1.8rem;
    }
    
    .header.hidden p {
        font-size: 1.2rem;
    }
    
    .last-update.hidden {
        font-size: 0.9rem;
    }
}

/* Tam ekran modu için */
.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    background-color: var(--background-color);
}

.control-buttons {
    position: fixed;
    bottom: 10px;
    right: 10px;
    display: flex;
    gap: 10px;
    z-index: 10000;
}

.control-button {
    background-color: #132040;
    color: white;
    border: none;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px var(--shadow-color-strong);
    transition: all 0.3s ease;
}

.control-button:hover {
    background-color: #495057;
    transform: scale(1.1);
}

.theme-toggle,
.fullscreen-toggle,
.header-toggle,
.personal-sort-reset {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    width: 48px;
    height: 48px;
    border-radius: 16px;
    cursor: pointer;
    font-size: 1.1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 4px;
    position: relative;
    overflow: hidden;
}

.theme-toggle::before,
.fullscreen-toggle::before,
.header-toggle::before,
.personal-sort-reset::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.theme-toggle:hover,
.fullscreen-toggle:hover,
.header-toggle:hover,
.personal-sort-reset:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.theme-toggle:hover::before,
.fullscreen-toggle:hover::before,
.header-toggle:hover::before,
.personal-sort-reset:hover::before {
    left: 100%;
}

.personal-sort-reset {
    background: rgba(255, 193, 7, 0.25);
    border: 1px solid rgba(255, 193, 7, 0.4);
    color: #ffd43b;
}

.personal-sort-reset:hover {
    background: rgba(255, 193, 7, 0.35);
    border-color: rgba(255, 193, 7, 0.6);
    box-shadow: 0 8px 25px rgba(255, 193, 7, 0.2);
}

.header-controls {
    position: absolute;
    top: 15px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 10;
}

.settings-icon {
    position: absolute;
    top: 25px;
    left: 20px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    width: auto;
    height: auto;
    border-radius: 16px;
    cursor: pointer;
    font-size: 0.8rem;
    z-index: 10;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    padding: 5px 15px;
}

.settings-icon:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    color: white;
}

.adjusted-price {
    font-size: 1.4vw;
    color: #28a745;
    font-style: italic;
    margin-left: 0.5vw;
}

@media screen and (min-width: 1920px) {
    .adjusted-price {
        font-size: 1.2rem;
    }
}

/* Header gizleme stili */
.header.hidden {
    padding: 18px 2vh;
    margin: 1vh;
    border-radius: 20px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.header.hidden h1 {
    font-size: 1.8vw;
    margin-bottom: 0;
    display: inline-block;
    margin-right: 15px;
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.2);
}

.header.hidden p {
    font-size: 1.3vw;
    display: inline-block;
    margin: 0;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.15);
}

/* Son güncelleme küçültme stili */
.last-update.hidden {
    padding: 2px;
    font-size: 1vw;
    text-align: right;
    transition: all 0.3s ease;
}

@media screen and (min-width: 1920px) {
    .header.hidden h1 {
        font-size: 1.5rem;
    }
    
    .header.hidden p {
        font-size: 1rem;
    }
    
    .last-update.hidden {
        font-size: 0.8rem;
    }
}

/* Ana sayfa sıralama bildirimi */
.sort-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--card-bg);
    color: var(--text-color);
    padding: 15px 20px;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    border-left: 4px solid #3182ce;
    z-index: 9999;
    display: flex;
    align-items: center;
    font-size: 14px;
    font-weight: 500;
    animation: slideInRight 0.3s ease;
}

.sort-notification i {
    margin-right: 10px;
    color: #3182ce;
    font-size: 16px;
}

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