/* ============================================
   BINList.com.tr - Design System & Styles
   ============================================ */

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
    /* Colors - Light Mode */
    --color-bg: #f5f6fa;
    --color-surface-0: #ffffff;
    --color-surface-1: #f8f9fa;
    --color-surface-2: #eef0f4;
    --color-text-primary: #1a1a2e;
    --color-text-secondary: #4a4a6a;
    --color-text-muted: #8888a0;
    --color-accent: #2563eb;
    --color-accent-hover: #1d4ed8;
    --color-accent-soft: rgba(37, 99, 235, 0.08);
    --color-border: #e2e4ea;
    --color-border-light: #f0f0f5;
    --color-success: #16a34a;
    --color-error: #dc2626;
    --color-card-number: #1a1a3e;
    --color-card-bg: #ffffff;
    --color-card-border: rgba(0, 0, 0, 0.08);
    --color-overlay: rgba(0, 0, 0, 0.6);
    --color-caret: #2563eb;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 16px 50px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.1), 0 2px 8px rgba(0, 0, 0, 0.05);

    /* Typography */
    --font-display: 'Poiret One', sans-serif;
    --font-body: 'Montserrat', sans-serif;
    --font-mono: 'Courier New', Courier, monospace;
    --font-card: 'CreditCardFont', monospace;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* --- Dark Mode Colors --- */
.dark-mode {
    --color-bg: #0f0f1a;
    --color-surface-0: #1a1a2e;
    --color-surface-1: #1e1e35;
    --color-surface-2: #25253d;
    --color-text-primary: #e8e8f0;
    --color-text-secondary: #b0b0c8;
    --color-text-muted: #6e6e8a;
    --color-accent: #60a5fa;
    --color-accent-hover: #93bbfd;
    --color-accent-soft: rgba(96, 165, 250, 0.1);
    --color-border: #2a2a45;
    --color-border-light: #222238;
    --color-success: #4ade80;
    --color-error: #f87171;
    --color-card-number: #e0e0f0;
    --color-card-bg: #1a1a2e;
    --color-card-border: rgba(255, 255, 255, 0.08);
    --color-overlay: rgba(0, 0, 0, 0.75);
    --color-caret: #60a5fa;
}

/* --- Custom Font --- */
@font-face {
    font-family: CreditCardFont;
    src: url('fonts/CREDC.otf') format('opentype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

/* --- Base Reset --- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html, body {
    height: 100%;
    width: 100%;
    margin: 0;
    padding: 0;
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

body {
    padding-bottom: 0;
    font-family: var(--font-body);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

img {
    -webkit-user-drag: none;
    user-select: none;
}

/* --- Visually Hidden (a11y) --- */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* --- Skip to Content Link (a11y) --- */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent);
    color: #fff;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    z-index: 100000;
    font-size: 0.9em;
    text-decoration: none;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-sm);
}

/* ============================================
   HEADER
   ============================================ */
.header {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg) 0;
    background-color: transparent;
    position: relative;
}

.header .logo {
    height: 3em;
    width: auto;
    border: 2px solid var(--color-text-primary);
    border-radius: var(--radius-sm);
    pointer-events: auto;
    transition: transform var(--transition-fast), border-color var(--transition-base);
}

.header .logo:hover {
    transform: scale(1.1);
}

.header .site-title {
    font-size: clamp(1.8em, 5vw, 3em);
    font-weight: 700;
    line-height: normal;
    font-family: var(--font-display);
    color: var(--color-text-primary);
    margin: 0;
    transition: color var(--transition-base);
}

.gear-icon {
    font-size: 1.8em;
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: color var(--transition-base), transform var(--transition-slow);
    display: flex;
    align-items: center;
    justify-content: center;
    touch-action: manipulation;
    background: none;
    border: none;
    padding: var(--space-xs);
    border-radius: var(--radius-full);
}

.gear-icon:hover {
    color: var(--color-accent);
}

.gear-icon:focus-visible,
.gear-icon:focus,
.gear-icon:active,
.gear-icon.btn:focus {
    outline: none !important;
    box-shadow: none !important;
    border: none !important;
}

/* Override Bootstrap dropdown-toggle pseudo-element */
.gear-icon::after {
    display: none !important;
}

@keyframes spin {
    from { transform: rotate(0); }
    to { transform: rotate(360deg); }
}

.spin-animation {
    animation: spin 1.5s ease-out;
}

/* --- Dropdown --- */
.dropdown-menu {
    padding: var(--space-sm);
    min-width: 220px;
    font-size: 1em;
    font-family: var(--font-body);
    border: 1px solid var(--color-border);
    background-color: var(--color-surface-0);
    color: var(--color-text-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    transition: background-color var(--transition-base), border-color var(--transition-base), color var(--transition-base);
}

.dark-mode .dropdown-menu {
    background-color: var(--color-surface-1) !important;
    color: var(--color-text-primary) !important;
    border-color: var(--color-border) !important;
}

.dark-mode .dropdown-menu li,
.dark-mode .dropdown-menu label,
.dark-mode .dropdown-menu span {
    color: var(--color-text-primary) !important;
}

.dropdown-menu li {
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.dropdown-menu li:hover {
    background-color: var(--color-accent-soft);
}

.dropdown-menu li:not(:last-child) {
    border-bottom: 1px solid var(--color-border-light);
}

/* --- Dark Mode Toggle Switch --- */
.switch {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 22px;
}

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

.slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background-color: var(--color-text-muted);
    transition: background-color var(--transition-base);
    border-radius: var(--radius-full);
}

.slider::before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background-color: #fff;
    transition: transform var(--transition-base);
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--color-accent);
}

input:checked + .slider::before {
    transform: translateX(18px);
}

input:focus-visible + .slider {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* --- Language Toggle --- */
#languageToggle img {
    width: 34px;
    height: auto;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    object-fit: cover;
    transition: border-color var(--transition-base);
}

/* ============================================
   SEARCH BAR
   ============================================ */
.search-bar {
    margin-bottom: var(--space-lg);
    position: relative;
    padding-bottom: 2em; /* reserve space for status message */
}

.bin-input-line {
    border: none;
    border-bottom: 2px solid var(--color-text-muted);
    font-size: 1.5em;
    text-align: center;
    width: 100%;
    padding: var(--space-sm) 0;
    background-color: transparent !important;
    caret-color: var(--color-caret);
    color: var(--color-text-primary) !important;
    font-family: var(--font-mono);
    transition: border-color var(--transition-base), color var(--transition-base);
}

.dark-mode .bin-input-line {
    color: #fff !important;
    caret-color: var(--color-accent);
    border-bottom-color: rgba(255, 255, 255, 0.3);
}

.dark-mode .bin-input-line::placeholder {
    color: rgba(255, 255, 255, 0.4) !important;
}

.bin-input-line::placeholder {
    font-family: var(--font-body);
    font-size: 0.7em;
    font-weight: 300;
    color: var(--color-text-muted);
    transition: color var(--transition-base);
}

.bin-input-line:focus {
    outline: 0;
    border-bottom: 2px solid var(--color-accent);
    background-color: transparent;
    box-shadow: none;
}

/* Input States */
.line-success {
    border-bottom: 2px solid var(--color-success) !important;
}

.line-error {
    border-bottom: 2px solid var(--color-error) !important;
}

/* Clear Button */
.clear-button {
    position: absolute;
    right: 4px;
    top: calc(50% - 1em);
    transform: translateY(-50%);
    background: var(--color-surface-2);
    border: none;
    font-size: 0.75em;
    cursor: pointer;
    color: var(--color-text-secondary);
    opacity: 0;
    transition: opacity var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
    padding: 5px 7px;
    border-radius: var(--radius-full);
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.clear-button.visible {
    opacity: 1;
}

.clear-button:hover {
    color: var(--color-error);
}

.clear-button:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    opacity: 1;
}

/* ============================================
   LOADING & STATUS MESSAGES
   ============================================ */
.status-message {
    text-align: center;
    padding: 0 var(--space-md);
    font-size: 0.85em;
    color: var(--color-text-muted);
    opacity: 0;
    transition: opacity var(--transition-base);
    height: 2em;
    line-height: 2em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    pointer-events: none;
}

.status-message.visible {
    opacity: 1;
}

.status-message.error {
    color: var(--color-error);
}

.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-border);
    border-top: 2px solid var(--color-accent);
    border-radius: 50%;
    animation: spinner-rotate 0.8s linear infinite;
}

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

/* ============================================
   CARD COMPONENT
   ============================================ */
.card-results-container {
    display: flex;
    flex-direction: column;
}

.blank-card {
    position: relative;
    width: 100%;
    max-width: 1004px;
    aspect-ratio: 1004 / 590;
    margin-bottom: var(--space-lg);
    perspective: 1000px;
    background: transparent;
}

.flip-card-inner {
    width: 100%;
    height: 100%;
    transition: transform 0.6s ease;
    transform-style: preserve-3d;
    position: relative;
}

.blank-card.flip .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    backface-visibility: hidden;
    overflow: hidden;
    border-radius: var(--radius-xl);
}

.flip-card-back {
    transform: rotateY(180deg);
}

/* Card Front */
#cardLogo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-card-border);
    background: var(--color-card-bg);
    display: block;
    position: relative;
    box-shadow: var(--shadow-card);
    transition: background var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

/* Card Back */
.bin-flip-back-content {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-card-border);
    font-family: var(--font-body);
    padding: 0;
    box-sizing: border-box;
    font-size: clamp(0.55em, 1vw, 0.88em);
    line-height: 1.35;
    background-color: var(--color-card-bg);
    position: relative;
    color: var(--color-text-primary);
    box-shadow: var(--shadow-card);
    transition: background-color var(--transition-base), border-color var(--transition-base), color var(--transition-base);
    overflow: hidden;
}

/* Magnetic Stripe on Card Back */
.bin-flip-back-content::before {
    content: '';
    position: absolute;
    top: 10%;
    left: 0;
    right: 0;
    height: 12%;
    background: linear-gradient(180deg, #1a1a1a 0%, #2a2a2a 50%, #1a1a1a 100%);
}

/* Title overlay on stripe */
.bin-flip-back-content .back-title {
    position: absolute;
    top: 10%;
    left: 0;
    right: 0;
    height: 12%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 600;
    font-size: clamp(0.65em, 1.2vw, 1em);
    letter-spacing: 3px;
    text-transform: uppercase;
    font-family: var(--font-body);
}

.bin-flip-back-content .back-content-inner {
    position: absolute;
    top: 24%;
    left: 5%;
    right: 5%;
    bottom: 3%;
    z-index: 1;
    overflow: hidden;
}

.bin-flip-back-content .back-content-inner p {
    margin: 0 0 0.4em 0;
}

.close-back-button {
    position: absolute;
    top: 1%;
    right: 3%;
    font-size: clamp(14px, 1.5vw, 20px);
    cursor: pointer;
    z-index: 10;
    color: var(--color-text-secondary);
    background: none;
    border: none;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    line-height: 1;
    transition: color var(--transition-fast);
}

.close-back-button:hover {
    color: var(--color-error);
}

.close-back-button:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Card Number */
.card-number {
    position: absolute;
    bottom: 18%;
    left: 5%;
    font-size: clamp(0.7em, 2.8vw, 1.3em);
    color: var(--color-card-number);
    font-weight: 700;
    width: 90%;
    text-align: left;
    font-family: var(--font-card);
    display: none;
    letter-spacing: 2px;
    white-space: nowrap;
    overflow: hidden;
    transition: color var(--transition-base);
}

/* Card Placeholder */
.card-placeholder {
    position: absolute;
    bottom: 18%;
    left: 5%;
    font-size: clamp(0.7em, 2.8vw, 1.3em);
    color: var(--color-text-muted);
    font-weight: 400;
    width: 90%;
    text-align: left;
    font-family: var(--font-card);
    letter-spacing: 4px;
    white-space: nowrap;
    opacity: 0.4;
    transition: color var(--transition-base);
}

/* Card Element Positions */
#bankLogoImage,
#cardLogoImage,
#cardNameLogoImage,
#chipLogo,
#contactlessLogo {
    position: absolute;
    transition: opacity var(--transition-base);
}

#cardLogoImage {
    bottom: 5%;
    right: 5%;
    width: 20%;
    display: none;
}

#bankLogoImage {
    top: 5%;
    right: 5%;
    width: 40%;
    display: none;
}

#cardNameLogoImage {
    top: 5%;
    left: 5%;
    max-height: 20%;
    max-width: 20%;
    width: auto;
    height: auto;
    display: none;
}

#chipLogo {
    top: 33%;
    left: 7%;
    width: clamp(42px, 12%, 80px);
    height: auto;
    content: url("images/chip.svg");
}

#contactlessLogo {
    top: 33%;
    right: 7%;
    left: auto;
    width: clamp(30px, 8%, 55px);
    height: auto;
    content: url("images/contactless.svg");
}

.dark-mode #chipLogo {
    content: url("images/darkchip.svg");
}

.dark-mode #contactlessLogo {
    content: url("images/darkcontactless.svg");
}

/* ============================================
   SEARCH RESULTS
   ============================================ */
.search-results-container {
    background-color: var(--color-surface-1);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    color: var(--color-text-primary);
    font-family: var(--font-body);
    border: 1px solid var(--color-border-light);
    transition: background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base), opacity var(--transition-base), transform var(--transition-base);
    opacity: 1;
}

.search-results-container.results-updating {
    opacity: 0;
    transform: translateY(4px);
}

.result-field {
    display: block;
    margin-bottom: var(--space-xs);
    font-family: var(--font-body);
    font-size: 0.95em;
    transition: color var(--transition-base);
}

.result-field .label {
    display: inline;
    white-space: nowrap;
    margin-right: var(--space-xs);
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 0.9em;
}

.result-field .result-value {
    display: inline;
    white-space: normal;
    word-break: break-word;
    overflow-wrap: break-word;
    font-weight: 600;
}

.result-field.d-flex.justify-content-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xs);
    width: 100%;
}

.result-field.d-flex.justify-content-between > span {
    flex: 1;
    text-align: left;
    padding-right: var(--space-sm);
}

#binLength,
#panLength {
    margin-left: 0.3em;
    font-weight: 600;
}

/* Highlighted/Muted states for Individual/Business, Virtual/Physical */
.result-highlight {
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.result-muted {
    opacity: 0.35;
}

/* ============================================
   BIN INFO SECTION
   ============================================ */
.bin-info {
    font-family: var(--font-body);
    color: var(--color-text-secondary);
    width: 100%;
    text-align: justify;
    line-height: 1.7;
    padding: var(--space-lg) 0;
    font-size: 0.9em;
}

.bin-info a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.bin-info a:hover {
    text-decoration: underline;
}

/* ============================================
   MODAL
   ============================================ */
#cardModal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-overlay);
    z-index: 99999;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    transition: background-color var(--transition-base);
}

#modalCard {
    position: absolute;
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-card-border);
    background: var(--color-card-bg);
    aspect-ratio: 1004 / 590;
    max-width: 1004px;
    width: 100%;
    height: auto;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transition: background var(--transition-base), border-color var(--transition-base);
}

#modalClose {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-md);
    color: var(--color-text-secondary);
    font-size: 22px;
    cursor: pointer;
    z-index: 1000;
    background: none;
    border: none;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    line-height: 1;
    transition: color var(--transition-fast);
}

#modalClose:hover {
    color: var(--color-error);
}

#modalClose:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

#modalCardContent {
    position: absolute;
    inset: 0;
    padding: var(--space-lg);
    color: var(--color-text-primary);
    font-family: var(--font-mono);
    font-size: clamp(0.75em, 1.1vw, 1em);
    line-height: 1.4;
    transition: color var(--transition-base);
}

#modalTitleTR,
#modalTitleEN {
    font-weight: 700;
}

#modalCardContent h2,
#modalCardContent p {
    margin-bottom: 0.8em;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    margin-top: auto;
    padding: var(--space-lg) 0 var(--space-md);
    text-align: center;
    font-size: 0.78em;
    color: var(--color-text-muted);
    transition: color var(--transition-base);
}

.site-footer p {
    margin: var(--space-xs) 0;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .header {
        padding: var(--space-md) 0;
    }
}

@media (max-width: 768px) {
    .header .site-title {
        font-size: 2em;
    }

    .bin-input-line {
        font-size: 1.2em;
    }

    .bin-input-line::placeholder {
        font-size: 0.8em;
    }

    .card-number {
        font-size: clamp(0.55em, 3vw, 0.8em);
        bottom: 15%;
        left: 7%;
        width: 86%;
    }

    .card-placeholder {
        font-size: clamp(0.55em, 3vw, 0.8em);
        bottom: 15%;
        left: 7%;
        width: 86%;
    }

    #cardLogo {
        border-radius: var(--radius-lg);
    }

    .bin-flip-back-content {
        font-size: clamp(0.4em, 1.6vw, 0.55em);
        border-radius: var(--radius-lg);
    }

    .bin-flip-back-content .back-title {
        font-size: clamp(0.45em, 1.8vw, 0.6em);
    }

    .flip-card-front,
    .flip-card-back {
        border-radius: var(--radius-lg);
    }

    #modalCard {
        border-radius: var(--radius-lg);
        width: 92%;
        left: 4%;
        top: 5%;
        right: 4%;
        bottom: 5%;
        height: auto;
        aspect-ratio: auto;
    }

    #modalCardContent {
        position: relative;
        padding: var(--space-sm);
        font-size: clamp(0.7em, 1.2vw, 0.95em);
        line-height: 1.2;
    }

    #modalCardContent h2 {
        margin-bottom: 0.6em;
    }

    #modalCardContent p {
        margin-bottom: 0.5em;
    }

    html[lang="en"] #individualBusiness,
    html[lang="en"] #virtualPhysical {
        font-size: 0.9em;
    }

    .search-results-container {
        padding: var(--space-md);
    }
}

@media (max-width: 480px) {
    .header .site-title {
        font-size: 1.6em;
    }

    .header .logo {
        height: 2.4em;
    }

    .gear-icon {
        font-size: 1.4em;
    }
}

/* --- SEO Content Section --- */
.seo-content {
    margin-top: var(--space-2xl);
    padding: var(--space-2xl) 0;
    border-top: 1px solid var(--color-border);
}

.seo-content h2 {
    font-family: var(--font-body);
    font-size: 1.3em;
    font-weight: 600;
    color: var(--color-text);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-sm);
}

.seo-content h2:first-child {
    margin-top: 0;
}

.seo-content h3 {
    font-family: var(--font-body);
    font-size: 1.15em;
    font-weight: 600;
    color: var(--color-text);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

.seo-content p {
    font-family: var(--font-body);
    font-size: 0.95em;
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.seo-content details {
    margin-bottom: var(--space-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.seo-content details summary {
    font-family: var(--font-body);
    font-size: 0.95em;
    font-weight: 500;
    color: var(--color-text);
    padding: var(--space-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.seo-content details summary:hover {
    background: var(--color-surface);
}

.seo-content details[open] summary {
    border-bottom: 1px solid var(--color-border);
}

.seo-content details p {
    padding: var(--space-md);
    margin-bottom: 0;
}

/* --- Print Styles --- */
@media print {
    .header, .site-footer, .search-bar, #cardModal {
        display: none;
    }
}