/* =========================================================
   Indian Cultural Survey — Frontend Styles
   Colour palette: Saffron · Deep Maroon · Gold · Ivory · Peacock teal
   Font: Tiro Devanagari / Mukta / system fallbacks
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Tiro+Devanagari+Hindi&family=Mukta:wght@400;500;600;700&display=swap');

/* ── CSS Custom Properties ── */
:root {
    --isp-saffron:       #E8671A;
    --isp-saffron-light: #F4A35A;
    --isp-saffron-pale:  #FEF3EA;
    --isp-maroon:        #8B1A1A;
    --isp-maroon-dark:   #5C0E0E;
    --isp-gold:          #C8922A;
    --isp-gold-light:    #F0C96A;
    --isp-ivory:         #FBF6EE;
    --isp-cream:         #F5ECD9;
    --isp-teal:          #1A6B6B;
    --isp-teal-light:    #E8F4F4;
    --isp-text-dark:     #1A0A00;
    --isp-text-mid:      #3D1F00;
    --isp-text-muted:    #6B4A20;
    --isp-border:        rgba(200, 146, 42, 0.3);
    --isp-radius:        12px;
    --isp-radius-sm:     8px;
    --isp-shadow:        0 2px 16px rgba(139, 26, 26, 0.1);
    --isp-font-body:     'Mukta', 'Segoe UI', system-ui, sans-serif;
    --isp-font-heading:  'Tiro Devanagari Hindi', 'Mukta', serif;
    --isp-transition:    0.25s ease;
}

/* ── Wrapper ── */
.isp-survey-wrap {
    font-family: var(--isp-font-body);
    font-size: 16px;
    color: var(--isp-text-dark);
    background: var(--isp-ivory);
    border-radius: var(--isp-radius);
    border: 1px solid var(--isp-border);
    box-shadow: var(--isp-shadow);
    overflow: hidden;
    max-width: 680px;
    margin: 0 auto;
    position: relative;
}

/* ── Progress bar ── */
.isp-progress-bar {
    height: 5px;
    background: var(--isp-cream);
}
.isp-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--isp-saffron), var(--isp-gold));
    transition: width 0.4s ease;
    border-radius: 0 3px 3px 0;
}

/* ── Tab Navigation ── */
.isp-tab-nav {
    display: flex;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    background: #3D0C0C;
    border-bottom: 4px solid var(--isp-gold);
    gap: 0;
}
.isp-tab-nav::-webkit-scrollbar { display: none; }

.isp-tab-btn {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 10px 14px;
    background: transparent;
    border: none;
    color: #D4A88A;
    cursor: pointer;
    font-family: var(--isp-font-body);
    font-size: 11px;
    font-weight: 600;
    transition: all var(--isp-transition);
    border-bottom: 4px solid transparent;
    margin-bottom: -4px;
    white-space: nowrap;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}
.isp-tab-btn:hover {
    color: #fff;
    background: #6B1010;
}
.isp-tab-btn.active {
    color: #FFE066;
    border-bottom-color: #FFE066;
    background: #5C0E0E;
}
.isp-tab-btn.visited .isp-tab-icon::after {
    content: '✓';
    font-size: 9px;
    margin-left: 2px;
    color: #FFE066;
    vertical-align: super;
}
.isp-tab-icon {
    font-size: 18px;
    line-height: 1;
}
.isp-tab-label {
    font-size: 10px;
}

/* ── Panel ── */
.isp-panel {
    display: none;
    padding: 24px 20px 20px;
    animation: ispFadeIn 0.3s ease;
    min-height: 420px;
}
.isp-panel.active { display: block; }

@keyframes ispFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Panel Header ── */
.isp-panel-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--isp-border);
}
.isp-panel-icon {
    font-size: 32px;
    line-height: 1;
}
.isp-panel-title {
    font-family: var(--isp-font-heading);
    font-size: 22px;
    font-weight: 600;
    color: var(--isp-maroon);
    margin: 0;
    line-height: 1.2;
}

/* ── Intro text ── */
.isp-intro-text {
    background: #EDD9B0;
    border-left: 5px solid var(--isp-saffron);
    border-radius: 0 var(--isp-radius-sm) var(--isp-radius-sm) 0;
    padding: 14px 16px;
    margin-bottom: 24px;
    font-size: 15px;
    line-height: 1.7;
    color: #2A1000;
}
.isp-intro-text strong { color: var(--isp-maroon-dark); }
.isp-intro-text a { color: var(--isp-teal); }

/* ── Contact fields ── */
.isp-contact-fields {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}
.isp-field-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.isp-field-group label {
    font-size: 13px;
    font-weight: 700;
    color: #5C0E0E;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}
.isp-required { color: var(--isp-saffron); }

.isp-field-group input,
.isp-contact-fields input {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--isp-border);
    border-radius: var(--isp-radius-sm);
    font-family: var(--isp-font-body);
    font-size: 16px;
    color: var(--isp-text-dark);
    background: #fff;
    transition: border-color var(--isp-transition), box-shadow var(--isp-transition);
    box-sizing: border-box;
    -webkit-appearance: none;
}
.isp-field-group input:focus,
.isp-contact-fields input:focus {
    outline: none;
    border-color: var(--isp-saffron);
    box-shadow: 0 0 0 3px rgba(232, 103, 26, 0.15);
}
.isp-field-group input::placeholder { color: var(--isp-text-muted); }

/* ── Numbered response fields ── */
.isp-response-fields {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 24px;
}
.isp-numbered-field {
    display: flex;
    align-items: center;
    gap: 10px;
}
.isp-field-num {
    flex: 0 0 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--isp-maroon);
    color: var(--isp-gold-light);
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.isp-response-input {
    flex: 1;
    padding: 10px 14px;
    border: 1.5px solid var(--isp-border);
    border-radius: var(--isp-radius-sm);
    font-family: var(--isp-font-body);
    font-size: 15px;
    color: var(--isp-text-dark);
    background: #fff;
    transition: border-color var(--isp-transition), box-shadow var(--isp-transition);
    width: 100%;
    box-sizing: border-box;
    -webkit-appearance: none;
}
.isp-response-input:focus {
    outline: none;
    border-color: var(--isp-saffron);
    box-shadow: 0 0 0 3px rgba(232, 103, 26, 0.15);
}
.isp-response-input::placeholder { color: #9A7A55; }

/* ── Navigation buttons ── */
.isp-nav-buttons {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--isp-border);
    gap: 12px;
}
.isp-btn {
    padding: 12px 24px;
    border-radius: 100px;
    font-family: var(--isp-font-body);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--isp-transition);
    border: 2px solid transparent;
    letter-spacing: 0.3px;
    min-width: 110px;
    text-align: center;
}
.isp-btn-prev {
    background: transparent;
    border-color: var(--isp-maroon);
    color: var(--isp-maroon);
}
.isp-btn-prev:hover {
    background: var(--isp-maroon);
    color: #fff;
}
.isp-btn-next {
    background: var(--isp-saffron);
    color: #fff;
    border-color: var(--isp-saffron);
    margin-left: auto;
}
.isp-btn-next:hover {
    background: var(--isp-maroon);
    border-color: var(--isp-maroon);
}
.isp-btn-submit {
    background: var(--isp-teal);
    color: #fff;
    border-color: var(--isp-teal);
    margin-left: auto;
}
.isp-btn-submit:hover {
    background: var(--isp-maroon);
    border-color: var(--isp-maroon);
}
.isp-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ── Success ── */
.isp-success {
    padding: 48px 24px;
    text-align: center;
}
.isp-success-inner {
    max-width: 400px;
    margin: 0 auto;
}
.isp-success-icon {
    font-size: 64px;
    margin-bottom: 16px;
}
.isp-success h2 {
    font-family: var(--isp-font-heading);
    font-size: 28px;
    color: var(--isp-maroon-dark);
    margin: 0 0 12px;
}
.isp-success p {
    font-size: 16px;
    color: #3D1F00;
    line-height: 1.7;
    margin: 0 0 8px;
}
#ispSuccessCount {
    font-size: 17px;
    font-weight: 600;
    color: #3D1F00;
    background: #EDD9B0;
    border-radius: 8px;
    padding: 10px 16px;
    margin-bottom: 14px;
    display: inline-block;
}
#ispSuccessCount strong {
    color: var(--isp-maroon-dark);
}

/* ── Error ── */
.isp-error {
    margin: 0 20px 16px;
    padding: 12px 16px;
    background: #fef2f2;
    border: 1px solid #fca5a5;
    border-radius: var(--isp-radius-sm);
    color: #991b1b;
    font-size: 14px;
}

/* ── Decorative top stripe (rangoli-inspired) ── */
.isp-survey-wrap::before {
    content: '';
    display: block;
    height: 4px;
    background: repeating-linear-gradient(
        90deg,
        var(--isp-saffron) 0px,
        var(--isp-saffron) 20px,
        var(--isp-gold) 20px,
        var(--isp-gold) 40px,
        var(--isp-maroon) 40px,
        var(--isp-maroon) 60px,
        var(--isp-teal) 60px,
        var(--isp-teal) 80px
    );
}

/* ── Responsive (tablet and up) ── */
@media (min-width: 480px) {
    .isp-panel { padding: 28px 28px 24px; }
    .isp-tab-btn { padding: 12px 18px; }
    .isp-tab-icon { font-size: 20px; }
    .isp-tab-label { font-size: 11px; }
    .isp-panel-title { font-size: 24px; }
    .isp-contact-fields { gap: 20px; }
}
@media (min-width: 640px) {
    .isp-field-group input,
    .isp-contact-fields input {
        font-size: 15px;
    }
    .isp-contact-fields {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .isp-contact-fields .isp-field-group:first-child {
        grid-column: 1 / -1;
    }
}