/* ============================================================
   Solar Assessment Form — style.css
   Aesthetic: warm solar energy — deep teal + amber/gold accents
   on a rich background, clean card, smooth interactions
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600&family=Sora:wght@600;700&display=swap');

/* ── Variables ── */
:root {
    --saf-teal:        #2e9e7e;
    --saf-teal-dark:   #1f7a60;
    --saf-teal-light:  #3dbf97;
    --saf-amber:       #f4a42a;
    --saf-amber-light: #fbbf24;
    --saf-bg:          rgba(255,255,255,0.10);
    --saf-card-bg:     rgba(255,255,255,0.92);
    --saf-border:      rgba(46,158,126,0.22);
    --saf-border-focus:var(--saf-teal);
    --saf-text:        #1a2e28;
    --saf-muted:       #7a948d;
    --saf-error:       #e05252;
    --saf-success:     #1f7a60;
    --saf-radius:      14px;
    --saf-radius-sm:   10px;
    --saf-shadow:      0 20px 60px rgba(0,0,0,0.25), 0 4px 16px rgba(0,0,0,0.12);
    --saf-font-body:   'DM Sans', sans-serif;
    --saf-font-head:   'Sora', sans-serif;
    --saf-transition:  0.22s cubic-bezier(0.4,0,0.2,1);
}

/* ── Wrapper ── */
.saf-wrapper {
    position: relative;
    width: 100%;
    min-height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 20px;
    background: linear-gradient(135deg, #0d3b2e 0%, #155c45 40%, #0a2a1f 100%);
    background-size: cover;
    background-position: center;
    font-family: var(--saf-font-body);
    box-sizing: border-box;
    overflow: hidden;
}

/* Subtle grain overlay */
.saf-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
    opacity: 0.4;
    pointer-events: none;
}

/* bg image overlay */
.saf-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(13,59,46,0.82) 0%, rgba(21,92,69,0.72) 100%);
    z-index: 0;
}

/* ── Card ── */
.saf-form-card {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 560px;
    background: var(--saf-card-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-radius: 24px;
    border: 1px solid rgba(255,255,255,0.55);
    box-shadow: var(--saf-shadow);
    padding: 40px 40px 36px;
    animation: safCardIn 0.55s cubic-bezier(0.22,1,0.36,1) both;
}

@keyframes safCardIn {
    from { opacity: 0; transform: translateY(24px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0)    scale(1); }
}

/* ── Header ── */
.saf-header {
    text-align: center;
    margin-bottom: 28px;
}

.saf-sun-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--saf-amber), var(--saf-amber-light));
    border-radius: 50%;
    color: #fff;
    margin-bottom: 14px;
    box-shadow: 0 4px 18px rgba(244,164,42,0.45);
    animation: safPulse 3s ease-in-out infinite;
}

.saf-sun-icon svg {
    width: 26px;
    height: 26px;
}

@keyframes safPulse {
    0%, 100% { box-shadow: 0 4px 18px rgba(244,164,42,0.45); }
    50%       { box-shadow: 0 4px 28px rgba(244,164,42,0.75); }
}

.saf-title {
    font-family: var(--saf-font-head);
    font-size: 22px;
    font-weight: 700;
    color: var(--saf-text);
    margin: 0 0 6px;
    line-height: 1.2;
}

.saf-subtitle {
    font-size: 13.5px;
    color: var(--saf-muted);
    margin: 0;
    line-height: 1.5;
}

/* ── Fields ── */
.saf-field {
    margin-bottom: 14px;
}

.saf-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 14px;
}

.saf-row .saf-field {
    margin-bottom: 0;
}

/* ── Input wrapper ── */
.saf-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.saf-input-icon {
    position: absolute;
    left: 14px;
    display: flex;
    align-items: center;
    color: var(--saf-muted);
    pointer-events: none;
    transition: color var(--saf-transition);
}

.saf-input-icon svg {
    width: 17px;
    height: 17px;
}

.saf-input {
    width: 100%;
    padding: 13px 14px 13px 42px;
    font-family: var(--saf-font-body);
    font-size: 14px;
    color: var(--saf-text);
    background: #fff;
    border: 1.5px solid var(--saf-border);
    border-radius: var(--saf-radius-sm);
    outline: none;
    transition: border-color var(--saf-transition), box-shadow var(--saf-transition);
    box-sizing: border-box;
    appearance: none;
    -webkit-appearance: none;
}

.saf-input::placeholder { color: #b0c4bc; }

.saf-input:focus {
    border-color: var(--saf-teal);
    box-shadow: 0 0 0 3.5px rgba(46,158,126,0.13);
}

.saf-input:focus + .saf-input-icon,
.saf-input-wrapper:focus-within .saf-input-icon {
    color: var(--saf-teal);
}

/* ── Phone ── */
.saf-phone-wrapper {
    border: 1.5px solid var(--saf-border);
    border-radius: var(--saf-radius-sm);
    background: #fff;
    overflow: hidden;
    display: flex;
    align-items: center;
    transition: border-color var(--saf-transition), box-shadow var(--saf-transition);
}

.saf-phone-wrapper:focus-within {
    border-color: var(--saf-teal);
    box-shadow: 0 0 0 3.5px rgba(46,158,126,0.13);
}

.saf-phone-prefix {
    padding: 0 10px 0 14px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--saf-teal-dark);
    white-space: nowrap;
    border-right: 1.5px solid var(--saf-border);
    line-height: 46px;
    background: rgba(46,158,126,0.06);
    user-select: none;
}

.saf-phone-input {
    border: none !important;
    box-shadow: none !important;
    padding-left: 12px !important;
    border-radius: 0 !important;
    flex: 1;
    min-width: 0;
}

.saf-phone-input:focus {
    border-color: transparent !important;
    box-shadow: none !important;
}

.saf-phone-counter {
    font-size: 11px;
    color: var(--saf-muted);
    text-align: right;
    margin-top: 4px;
    padding-right: 4px;
    transition: color var(--saf-transition);
}

.saf-phone-counter.saf-count-full {
    color: var(--saf-teal);
    font-weight: 600;
}

/* ── Select ── */
.saf-select-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.saf-select {
    width: 100%;
    padding: 13px 38px 13px 14px;
    font-family: var(--saf-font-body);
    font-size: 14px;
    color: var(--saf-text);
    background: #fff;
    border: 1.5px solid var(--saf-border);
    border-radius: var(--saf-radius-sm);
    outline: none;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    transition: border-color var(--saf-transition), box-shadow var(--saf-transition);
    box-sizing: border-box;
}

.saf-select:focus {
    border-color: var(--saf-teal);
    box-shadow: 0 0 0 3.5px rgba(46,158,126,0.13);
}

.saf-select:disabled {
    background: #f5f8f7;
    color: #b0c4bc;
    cursor: not-allowed;
    opacity: 0.75;
}

/* placeholder option */
.saf-select option[value=""] {
    color: #b0c4bc;
}

.saf-select-arrow {
    position: absolute;
    right: 13px;
    pointer-events: none;
    color: var(--saf-muted);
    display: flex;
    align-items: center;
}

.saf-select-arrow svg {
    width: 12px;
    height: 8px;
    transition: transform var(--saf-transition);
}

.saf-select:focus ~ .saf-select-arrow {
    color: var(--saf-teal);
}

/* City loader */
.saf-city-loader {
    position: absolute;
    right: 13px;
    display: flex;
    align-items: center;
    color: var(--saf-teal);
}

.saf-city-loader svg {
    width: 16px;
    height: 16px;
}

/* ── Spinning animation ── */
.saf-spin {
    animation: safSpin 0.8s linear infinite;
}

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

/* ── Submit Button ── */
.saf-submit-btn {
    width: 100%;
    margin-top: 6px;
    padding: 15px 24px;
    font-family: var(--saf-font-head);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.01em;
    color: #fff;
    background: linear-gradient(135deg, var(--saf-teal) 0%, var(--saf-teal-dark) 100%);
    border: none;
    border-radius: var(--saf-radius-sm);
    cursor: pointer;
    transition: transform var(--saf-transition), box-shadow var(--saf-transition), background var(--saf-transition);
    box-shadow: 0 6px 22px rgba(46,158,126,0.38);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

/* Shimmer effect on hover */
.saf-submit-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.14) 50%, transparent 100%);
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}

.saf-submit-btn:hover::after  { transform: translateX(100%); }

.saf-submit-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--saf-teal-light) 0%, var(--saf-teal) 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(46,158,126,0.48);
}

.saf-submit-btn:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(46,158,126,0.3);
}

.saf-submit-btn:disabled {
    opacity: 0.72;
    cursor: not-allowed;
    transform: none;
}

.saf-btn-spinner {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.saf-btn-spinner svg {
    width: 18px;
    height: 18px;
}

/* ── Banners ── */
.saf-success-banner,
.saf-error-banner {
    border-radius: var(--saf-radius-sm);
    padding: 13px 16px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 18px;
    line-height: 1.5;
    animation: safBannerIn 0.3s ease both;
}

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

.saf-success-banner {
    background: rgba(46,158,126,0.1);
    border: 1.5px solid rgba(46,158,126,0.3);
    color: var(--saf-success);
}

.saf-error-banner {
    background: rgba(224,82,82,0.08);
    border: 1.5px solid rgba(224,82,82,0.25);
    color: var(--saf-error);
}

/* ── Privacy note ── */
.saf-privacy {
    text-align: center;
    font-size: 12px;
    color: var(--saf-muted);
    margin: 12px 0 0;
    line-height: 1.5;
}

/* ── Field error state ── */
.saf-input.saf-field-error,
.saf-select.saf-field-error {
    border-color: var(--saf-error);
    box-shadow: 0 0 0 3px rgba(224,82,82,0.12);
    animation: safShake 0.35s ease;
}

.saf-phone-wrapper.saf-field-error {
    border-color: var(--saf-error);
    box-shadow: 0 0 0 3px rgba(224,82,82,0.12);
    animation: safShake 0.35s ease;
}

@keyframes safShake {
    0%,100% { transform: translateX(0); }
    20%     { transform: translateX(-5px); }
    60%     { transform: translateX(5px); }
}

/* ── Admin styles ── */
.saf-wrap .nav-tab-wrapper { margin-bottom: 0; }
.saf-wrap .tab-content { background: #fff; border: 1px solid #c3c4c7; border-top: none; padding: 24px; }
.saf-status-box { padding: 12px 16px; border-radius: 6px; margin-bottom: 20px; font-size: 14px; }
.saf-status-box.connected    { background: #edfaf5; border: 1px solid #2e9e7e; color: #1f7a60; }
.saf-status-box.disconnected { background: #fff8ec; border: 1px solid #e0a800; color: #7a5000; }

/* ── Responsive ── */
@media (max-width: 520px) {
    .saf-form-card {
        padding: 28px 20px 24px;
        border-radius: 18px;
    }

    .saf-row {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .saf-title   { font-size: 19px; }
    .saf-subtitle { font-size: 13px; }

    .saf-submit-btn {
        font-size: 14px;
        padding: 13px 20px;
    }
}

/* ── Email hint ── */
.saf-field-hint {
    font-size: 12px;
    margin-top: 5px;
    min-height: 16px;
    padding-left: 2px;
    transition: color var(--saf-transition);
}
.saf-hint-ok    { color: var(--saf-teal); }
.saf-hint-error { color: var(--saf-error); }

/* ── Acceptance Checkbox ── */
.saf-checkbox-field { margin-top: 4px; margin-bottom: 2px; }

.saf-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    user-select: none;
    padding: 10px 12px;
    border: 1.5px solid var(--saf-border);
    border-radius: var(--saf-radius-sm);
    background: rgba(46,158,126,0.04);
    transition: border-color var(--saf-transition), background var(--saf-transition);
}
.saf-checkbox-label:hover {
    border-color: var(--saf-teal);
    background: rgba(46,158,126,0.08);
}
.saf-checkbox-label.saf-checkbox-error {
    border-color: var(--saf-error);
    background: rgba(224,82,82,0.05);
    animation: safShake 0.35s ease;
}

/* Hide native checkbox */
.saf-checkbox { display: none; }

/* Custom checkbox box */
.saf-checkbox-box {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border: 2px solid var(--saf-border);
    border-radius: 5px;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--saf-transition);
    margin-top: 1px;
}
.saf-checkbox-box svg {
    width: 12px;
    height: 10px;
    color: #fff;
    opacity: 0;
    transition: opacity var(--saf-transition);
}

/* Checked state */
.saf-checkbox:checked ~ .saf-checkbox-box {
    background: var(--saf-teal);
    border-color: var(--saf-teal);
}
.saf-checkbox:checked ~ .saf-checkbox-box svg { opacity: 1; }

.saf-checkbox-text {
    font-size: 12.5px;
    color: var(--saf-muted);
    line-height: 1.5;
}
.saf-checkbox-text a {
    color: var(--saf-teal);
    text-decoration: underline;
}