/* =========================================================
   TOOLS WEBSITE STYLES
   ========================================================= */

:root {
    --tools-primary: #0d6efd;
    --tools-primary-dark: #0b5ed7;
    --tools-text: #0f172a;
    --tools-muted: #64748b;
    --tools-border: #dbe5f1;
    --tools-bg: #f8fbff;
    --tools-card-bg: #ffffff;
    --tools-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
    --tools-radius-xl: 24px;
    --tools-radius-lg: 18px;
    --tools-radius-md: 14px;
}

html {
    scroll-behavior: smooth;
}

body {
    background:
        radial-gradient(circle at top left, rgba(13, 110, 253, 0.08), transparent 28%),
        linear-gradient(180deg, #f8fafc 0%, #eef4ff 100%);
    min-height: 100vh;
    color: var(--tools-text);
}

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

.tools-site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(219, 229, 241, 0.8);
}

.tools-site-header-inner {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.tools-brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    color: inherit;
}

.tools-brand:hover {
    color: inherit;
}

.tools-brand-logo {
    width: 130px;
    object-fit: contain;
    border-radius: 5px;
    background: #ffffff;
    padding: 8px;
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.08);
}

.tools-brand-content {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.tools-brand-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--tools-text);
}

.tools-brand-tagline {
    font-size: 0.85rem;
    color: var(--tools-muted);
}

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

/* =========================================================
   MAIN
   ========================================================= */

.tools-site-main {
    min-height: calc(100vh - 180px);
}

.tools-page {
    min-height: 100%;
}

.tools-badge {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(13, 110, 253, 0.1);
    color: var(--tools-primary);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.3px;
}

.tools-title {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--tools-text);
}

.tools-subtitle {
    max-width: 760px;
    margin: 0 auto;
    font-size: 1.05rem;
    color: var(--tools-muted);
    line-height: 1.7;
}

.tools-hero-links {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.tools-info-card {
    height: 100%;
    padding: 18px 20px;
    border-radius: var(--tools-radius-lg);
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid var(--tools-border);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
}

.tools-info-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--tools-text);
    margin-bottom: 6px;
}

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

/* =========================================================
   CALCULATOR CARDS
   ========================================================= */

.tool-card {
    height: 100%;
    border: 1px solid var(--tools-border);
    border-radius: var(--tools-radius-xl);
    background: var(--tools-card-bg);
    box-shadow: var(--tools-shadow);
    overflow: hidden;
}

.tool-card-header {
    padding: 26px 26px 12px;
}

.tool-card-body {
    padding: 12px 26px 26px;
}

.tool-card-title {
    margin: 0 0 8px;
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--tools-text);
    line-height: 1.3;
    white-space: nowrap;
}

.tool-card-text {
    font-size: 0.92rem;
    color: var(--tools-muted);
    line-height: 1.45;
    min-height: 42px;
}

.tool-input {
    min-height: 50px;
    border-radius: var(--tools-radius-md);
    border-color: #cbd5e1;
    box-shadow: none;
}

.tool-input:focus {
    border-color: #86b7fe;
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.15);
}

.tool-error {
    padding: 12px 14px;
    border-radius: var(--tools-radius-md);
    background: #fff1f2;
    border: 1px solid #fecdd3;
    color: #be123c;
    font-size: 0.95rem;
}

.tool-result {
    padding: 16px 18px;
    border-radius: var(--tools-radius-lg);
    background: #f8fafc;
    border: 1px solid #dbeafe;
}

.tool-result-label {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #475569;
    margin-bottom: 6px;
}

.tool-result-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--tools-primary);
    line-height: 1.2;
    margin-bottom: 6px;
}

.tool-result-note {
    font-size: 0.95rem;
    color: var(--tools-muted);
}

/* =========================================================
   HELP SECTION
   ========================================================= */

.tools-help-card {
    padding: 24px;
    border-radius: var(--tools-radius-xl);
    background: #ffffff;
    border: 1px solid var(--tools-border);
    box-shadow: 0 14px 34px rgba(15, 23, 42, 0.05);
}

.tools-help-title {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--tools-text);
    margin-bottom: 14px;
}

.tools-help-list {
    margin: 0;
    padding-left: 18px;
    color: var(--tools-muted);
    line-height: 1.8;
}

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

.tools-site-footer {
    margin-top: 40px;
    background: #0f172a;
    color: #cbd5e1;
    padding: 48px 0 24px;
}

.tools-footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 28px;
}

.tools-footer-title {
    font-size: 1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 14px;
}

.tools-footer-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.tools-footer-logo {
    width: 112px;
    object-fit: contain;
    background: #ffffff;
    border-radius: 3px;
    padding: 4px;
    flex-shrink: 0;
}

.tools-footer-brand-name {
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
    line-height: 1.2;
}

.tools-footer-brand-tagline {
    font-size: 0.85rem;
    color: #a0aec0;
    line-height: 1.3;
    margin-top: 2px;
}

.tools-footer-links,
.tools-footer-contact {
    margin: 0;
    padding: 0;
    list-style: none;
}

.tools-footer-links li,
.tools-footer-contact li {
    margin-bottom: 10px;
    line-height: 1.7;
}

.tools-footer-contact div {
    font-size: 0.92rem;
    color: #cbd5e1;
    margin-bottom: 8px;
    line-height: 1.6;
}

.tools-site-footer a {
    color: #bfdbfe;
    text-decoration: none;
}

.tools-site-footer a:hover {
    color: #ffffff;
    text-decoration: underline;
}

.tools-footer-bottom {
    margin-top: 28px;
    padding-top: 18px;
    border-top: 1px solid rgba(148, 163, 184, 0.2);
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    font-size: 0.92rem;
    color: #94a3b8;
}
.tools-footer-contact div {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 8px;
    font-size: 14px;
    color: #cbd5e1;
}

.tools-footer-contact i {
    width: 18px;
    color: #ffffff; /* brand highlight */
    font-size: 14px;
        padding-top:5px;
}
.tools-footer-about-extra {
    margin-top: 6px;
    font-size: 13px;
    color: #94a3b8;
    line-height: 1.5;
}
.tool-disabled {
    opacity: 0.72;
    pointer-events: none;
}

.tool-disabled:hover {
    transform: none !important;
}

/* ================================
   TOOL CARD (MODERN LIGHT STYLE)
================================ */

.tool-card {
    background: #ffffff;
    border-radius: 18px;
    padding: 24px;
    border: 1px solid #e5eaf2;
    box-shadow: 0 8px 25px rgba(0,0,0,0.04);
    transition: all 0.25s ease;
    position: relative;
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 40px rgba(0,0,0,0.08);
}

/* ICON */
.tool-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: rgba(13, 110, 253, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
}

.tool-icon i {
    font-size: 20px;
    color: #0d6efd;
}

/* TITLE */
.tool-card-title {
    font-size: 16px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 6px;
}

/* TEXT */
.tool-card-text {
    font-size: 13px;
    color: #64748b;
    margin-bottom: 16px;
}

/* BUTTON */
.tool-card .btn {
    border-radius: 10px;
    font-size: 14px;
}

/* DISABLED */
.tool-disabled {
    opacity: 0.6;
}

.tool-disabled .tool-icon {
    background: rgba(100, 116, 139, 0.1);
}

.tool-disabled .tool-icon i {
    color: #94a3b8;
}
.tool-highlight-value {
    display: inline-block;
    margin-left: 4px;
    padding: 2px 10px;
    border-radius: 999px;
    background: rgba(13, 110, 253, 0.10);
    color: #0d6efd;
    font-weight: 700;
}
/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 991.98px) {
    .tools-title {
        font-size: 2.3rem;
    }

    .tools-footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767.98px) {
    .tools-site-header-inner {
        flex-direction: column;
        align-items: stretch;
        padding: 12px 0;
    }

    .tools-header-actions {
        width: 100%;
    }

    .tools-header-actions .btn {
        flex: 1 1 auto;
    }

    .tools-title {
        font-size: 2rem;
    }

    .tools-subtitle {
        font-size: 0.98rem;
    }

    .tool-card-header,
    .tool-card-body,
    .tools-help-card {
        padding-left: 18px;
        padding-right: 18px;
    }

    .tool-result-value {
        font-size: 1.5rem;
    }

    .tool-card-title {
        white-space: normal;
    }

    .tool-card-text {
        min-height: auto;
    }

    .tools-footer-brand {
        flex-direction: column;
        align-items: flex-start;
    }

    .tools-footer-logo {
        width: 48px;
        height: 48px;
    }

    .tools-brand-logo {
        width: 56px;
        height: 56px;
    }
}

@media (max-width: 576px) {
    .tools-footer-brand {
        flex-direction: column;
        align-items: flex-start;
    }

    .tools-footer-logo {
        width: 42px;
        height: 42px;
    }
}