/* =========================================
   BASE / RESET
========================================= */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
}

/* =========================================
   COLOR SYSTEM (LIGHT + DARK)
   Based on Bado Blog-like palette
========================================= */

:root {
    --bg-body: #63637a;        /* body background (muted purple/gray) */
    --bg-card: #fdfcfc;        /* near-white card / header background */
    --bg-header: #fdfcfc;
    --bg-footer: #404040;

    --text-main: #404040;
    --text-muted: #505062;
    --text-light: #fdfcfc;

    --border-subtle: #dad7f0;
    --shadow-soft: 0 12px 30px rgba(0, 0, 0, 0.16);

    --primary: #4c65ad;        /* primary brand color */
    --primary-hover: #dd9925;  /* hover accent */

    --radius-card: 22px;       /* 20–25px */
    --radius-pill: 999px;

    --transition-fast: 0.18s ease-out;
}

body.dark-mode {
    --bg-body: #181824;
    --bg-card: #1f2133;
    --bg-header: #1c1e2a;
    --bg-footer: #101119;

    --text-main: #f5f5f5;
    --text-muted: #c0c2d9;
    --text-light: #fdfcfc;

    --border-subtle: #343654;
    --shadow-soft: 0 14px 34px rgba(0, 0, 0, 0.6);
}

/* Simple helper for background */
.body-bg {
    background-color: var(--bg-body);
    color: var(--text-main);
    min-height: 100vh;
}

/* =========================================
   LAYOUT
========================================= */

.page-wrapper {
    max-width: 1200px;
    margin: 90px auto 40px;
    padding: 0 16px 40px;
}

/* =========================================
   HEADER
========================================= */

.main-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: linear-gradient(
        to bottom,
        rgba(99, 99, 122, 0.98),
        rgba(99, 99, 122, 0.9)
    );
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

.main-header .top-bar {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo a {
    font-size: 1.35rem;
    font-weight: 700;
    color: #ffffff;
    text-decoration: none;
    letter-spacing: 0.03em;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Dark mode toggle button */
#darkModeToggle {
    border-radius: var(--radius-pill);
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: rgba(76, 101, 173, 0.9);
    color: #ffffff;
    padding: 6px 12px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

#darkModeToggle:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

/* Small header button (Login/Logout) */
.btn-small {
    background: #ffffff;
    color: var(--primary);
    text-decoration: none;
    font-size: 0.85rem;
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.btn-small:hover {
    background: var(--primary-hover);
    color: #ffffff;
    transform: translateY(-1px);
}

/* NAVIGATION */

.main-nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 8px 16px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.nav-left,
.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-left {
    flex-wrap: wrap;
}

.nav-left li {
    list-style: none;
}

.nav-left a {
    text-decoration: none;
    color: #ffffff;
    font-size: 0.9rem;
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.nav-left a:hover {
    background: rgba(253, 252, 252, 0.15);
    color: #ffffff;
    transform: translateY(-1px);
}

/* Tool Search in header */
.tool-search-form {
    background: rgba(253, 252, 252, 0.9);
    border-radius: var(--radius-pill);
    padding: 4px 10px;
    display: flex;
    align-items: center;
}

.tool-search-form input {
    border: none;
    outline: none;
    background: transparent;
    font-size: 0.9rem;
    padding: 4px 6px;
    min-width: 150px;
}

/* LEGAL LINKS BAR */

.legal-links-bar {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(76, 101, 173, 0.15);
    padding: 6px 16px;
    font-size: 0.8rem;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

.legal-links-bar a {
    color: #fdfcfc;
    text-decoration: none;
    opacity: 0.9;
    transition: opacity var(--transition-fast), color var(--transition-fast);
}

.legal-links-bar a:hover {
    opacity: 1;
    color: var(--primary-hover);
}

/* =========================================
   BUTTONS / BADGES
========================================= */

.btn-primary {
    background: var(--primary);
    color: #ffffff;
    border-radius: var(--radius-pill);
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 10px 20px rgba(221, 153, 37, 0.5);
    transform: translateY(-1px);
}

.btn-primary:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.tool-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: #ffffff;
    padding: 4px 10px;
    font-size: 0.75rem;
    border-radius: var(--radius-pill);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

/* =========================================
   TOOLS GRID (HOME PAGE)
========================================= */

.page-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #ffffff;
    margin: 12px 0 20px;
}

.tools-grid-section {
    margin-top: 10px;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

/* Responsive columns */
@media (max-width: 1024px) {
    .tools-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .tools-grid {
        grid-template-columns: 1fr;
    }
}

/* TOOL CARD */

.tool-card {
    background: var(--bg-card);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
}

.tool-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 38px rgba(0, 0, 0, 0.25);
}

.tool-card-thumb {
    position: relative;
    overflow: hidden;
    max-height: 180px;
}

.tool-card-thumb img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: transform 0.25s ease-out;
}

.tool-card:hover .tool-card-thumb img {
    transform: scale(1.04);
}

.tool-card-body {
    padding: 16px 18px 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tool-card-body h2 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
}

.tool-card-body p {
    font-size: 0.9rem;
    color: var(--text-muted);
    min-height: 38px;
}

/* Premium visual cue */
.tool-card.premium {
    border: 1px solid rgba(221, 153, 37, 0.4);
}

/* =========================================
   TOOL PAGE LAYOUT
========================================= */

.tool-page {
    display: grid;
    grid-template-columns: minmax(0, 2.2fr) minmax(0, 1fr);
    gap: 24px;
}

@media (max-width: 900px) {
    .tool-page {
        grid-template-columns: minmax(0, 1fr);
    }
}

.tool-header-card {
    grid-column: 1 / -1;
    background: var(--bg-card);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-soft);
    padding: 18px;
    display: grid;
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 18px;
    align-items: center;
}

.tool-page-cover {
    width: 140px;
    height: 140px;
    border-radius: 20px;
    object-fit: cover;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
}

.tool-header-info h1 {
    font-size: 1.6rem;
    margin-bottom: 6px;
    color: var(--text-main);
}

.tool-header-info p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.premium-lock {
    margin-top: 10px;
    padding: 10px 12px;
    border-radius: 16px;
    border: 1px dashed rgba(221, 153, 37, 0.7);
    background: rgba(221, 153, 37, 0.08);
    font-size: 0.9rem;
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* TOOL UI CARD (where the tool runs) */

.tool-ui-card {
    background: var(--bg-card);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-soft);
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.tool-ui-card textarea {
    width: 100%;
    min-height: 150px;
    border-radius: 16px;
    border: 1px solid var(--border-subtle);
    padding: 10px 12px;
    font-size: 0.95rem;
    resize: vertical;
    outline: none;
    color: var(--text-main);
    background: rgba(253, 252, 252, 0.95);
}

body.dark-mode .tool-ui-card textarea {
    background: #222438;
}

#toolResult {
    margin-top: 10px;
    padding: 12px;
    border-radius: 16px;
    background: rgba(76, 101, 173, 0.05);
    font-size: 0.9rem;
    color: var(--text-main);
    min-height: 40px;
    white-space: pre-wrap;
}

#toolResult .error {
    color: #c0392b;
}

/* SIDE CARDS (internal links, share, etc.) */

.tool-side {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.tool-interlinks-card,
.tool-share-card {
    background: var(--bg-card);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-soft);
    padding: 14px 16px;
}

.tool-interlinks-card h3,
.tool-share-card h3 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: var(--text-main);
}

.tool-interlinks-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.tool-interlinks-card a {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.9rem;
}

.tool-interlinks-card a:hover {
    color: var(--primary-hover);
}

/* Social share buttons */

.share-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.share-buttons a {
    font-size: 0.85rem;
    padding: 6px 10px;
    border-radius: var(--radius-pill);
    text-decoration: none;
    background: rgba(76, 101, 173, 0.12);
    color: var(--primary);
    transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.share-buttons a:hover {
    background: var(--primary-hover);
    color: #ffffff;
    transform: translateY(-1px);
}

/* TOOL ARTICLE SECTION */

.tool-article {
    grid-column: 1 / -1;
    margin-top: 8px;
    background: var(--bg-card);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-soft);
    padding: 18px 20px;
    font-size: 0.95rem;
    color: var(--text-main);
}

.tool-article h2 {
    font-size: 1.25rem;
    margin-bottom: 10px;
}

.tool-article p {
    margin-bottom: 10px;
}

/* Basic content styling inside article HTML */
.tool-article h3 {
    margin: 12px 0 6px;
    font-size: 1.05rem;
}
.tool-article ul,
.tool-article ol {
    margin: 0 0 10px 18px;
}
.tool-article a {
    color: var(--primary);
    text-decoration: underline;
}
.tool-article a:hover {
    color: var(--primary-hover);
}

/* =========================================
   AUTH / FORMS (BASIC)
========================================= */

.auth-card {
    max-width: 420px;
    margin: 40px auto;
    background: var(--bg-card);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-soft);
    padding: 20px 22px;
}

.auth-card h1 {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.form-group {
    margin-bottom: 12px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.form-group input,
.form-group select {
    width: 100%;
    border-radius: 14px;
    border: 1px solid var(--border-subtle);
    padding: 8px 10px;
    font-size: 0.95rem;
    outline: none;
    background: rgba(253, 252, 252, 0.95);
    color: var(--text-main);
}

body.dark-mode .form-group input,
body.dark-mode .form-group select {
    background: #222438;
}

/* =========================================
   FOOTER
========================================= */

.main-footer {
    background: var(--bg-footer);
    color: var(--text-light);
    padding: 18px 16px 22px;
    margin-top: 10px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    font-size: 0.85rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.footer-links a {
    color: rgba(253, 252, 252, 0.9);
    text-decoration: none;
    transition: color var(--transition-fast), opacity var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-hover);
    opacity: 1;
}

/* =========================================
   UTILITY
========================================= */

.text-center { text-align: center; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }

.error-text {
    color: #c0392b;
    font-size: 0.85rem;
}
.success-text {
    color: #27ae60;
    font-size: 0.85rem;
}