/* AI Trener — multi-step form, generating screen, plan page.
   Inherits colors from :root custom properties defined in shortcodes.css. */

/* ---------- shared section ---------- */
.ai-coach-section {
    padding: 50px 0 80px;
    background: var(--surface);
    min-height: 70vh;
}
.ai-coach-header {
    text-align: center;
    margin-bottom: 30px;
}
.ai-coach-title {
    font-family: "Oswald", sans-serif;
    font-size: 36px;
    color: var(--black);
    margin: 0 0 6px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.ai-coach-subtitle {
    color: var(--secondary);
    font-size: 15px;
    margin: 0;
}

/* ---------- step 1 intro ---------- */
.ai-coach-intro {
    max-width: 680px;
    margin: 0 auto 36px;
    text-align: center;
}
.ai-coach-intro-lead {
    font-size: 17px;
    color: var(--secondary);
    line-height: 1.6;
    margin: 0 0 28px;
}
.ai-coach-features {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    text-align: left;
}
.ai-coach-feature {
    background: var(--white);
    border: 1px solid var(--line);
    border-top: 3px solid var(--primary);
    border-radius: 8px;
    padding: 18px 16px 16px;
}
.ai-coach-feature-title {
    display: block;
    font-family: "Oswald", sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: var(--black);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 8px;
}
.ai-coach-feature-desc {
    font-size: 14px;
    color: var(--secondary);
    line-height: 1.5;
    margin: 0;
}
.ai-coach-intro-trust {
    font-size: 14px;
    font-weight: 600;
    color: var(--secondary);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin: 0;
}
@media (max-width: 640px) {
    .ai-coach-features { grid-template-columns: 1fr; gap: 12px; }
    .ai-coach-intro-lead { font-size: 15px; }
}

/* ---------- progress stepper ---------- */
.ai-coach-progress {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    list-style: none;
    margin: 0 auto 36px;
    padding: 0;
    max-width: 680px;
    position: relative;
}
.ai-coach-progress::before {
    content: '';
    position: absolute;
    top: 16px;
    left: 22px;
    right: 22px;
    height: 2px;
    background: var(--line);
    z-index: 0;
}
.ai-coach-progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    position: relative;
    z-index: 1;
}
.ai-coach-progress-dot {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid var(--line);
    color: var(--secondary);
    font-weight: 700;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.ai-coach-progress-label {
    margin-top: 8px;
    font-size: 12px;
    color: var(--secondary);
    text-align: center;
    font-weight: 500;
}
.ai-coach-progress-step.is-active .ai-coach-progress-dot {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--black);
}
.ai-coach-progress-step.is-active .ai-coach-progress-label {
    color: var(--black);
    font-weight: 600;
}
.ai-coach-progress-step.is-done .ai-coach-progress-dot {
    background: var(--success);
    border-color: var(--success);
    color: var(--white);
}
.ai-coach-progress-step.is-done .ai-coach-progress-dot::before {
    content: '✓';
    font-size: 16px;
    font-weight: 700;
}
.ai-coach-progress-step.is-done .ai-coach-progress-dot { font-size: 0; }

/* ---------- messages ---------- */
.ai-coach-messages {
    max-width: 680px;
    margin: 0 auto 20px;
}
.ai-coach-message {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 8px;
    font-size: 14px;
}
.ai-coach-message-error {
    background: #fdecec;
    color: var(--critical);
    border: 1px solid var(--critical);
}

/* ---------- form card ---------- */
.ai-coach-form {
    max-width: 680px;
    margin: 0 auto;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 28px 26px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}
.ai-coach-step-intro {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--line);
}
.ai-coach-step-intro h2 {
    font-family: "Oswald", sans-serif;
    font-size: 22px;
    margin: 0 0 8px;
    color: var(--black);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}
.ai-coach-step-intro p {
    color: var(--secondary);
    font-size: 15px;
    line-height: 1.5;
    margin: 0;
}

/* ---------- field ---------- */
.ai-coach-fields,
.ai-coach-optional-body {
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.ai-coach-label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    color: var(--black);
    margin-bottom: 6px;
}
.ai-coach-help {
    color: var(--secondary);
    font-size: 13px;
    margin: 4px 0 0;
}
.ai-coach-errors {
    list-style: none;
    padding: 0;
    margin: 6px 0 0;
    color: var(--critical);
    font-size: 13px;
}
.ai-coach-errors-form {
    padding: 10px 14px;
    background: #fdecec;
    border: 1px solid var(--critical);
    border-radius: 6px;
    margin-bottom: 18px;
    color: var(--critical);
}

/* Bootstrap input overrides (form-control / form-select from forms_coach.py) */
.ai-coach-form .form-control,
.ai-coach-form .form-select {
    width: 100%;
    padding: 12px 14px;
    font-size: 16px; /* avoids iOS auto-zoom on focus */
    line-height: 1.4;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--white);
    color: var(--black);
    min-height: 48px;
    font-family: "Jost", sans-serif;
}
.ai-coach-form .form-control:focus,
.ai-coach-form .form-select:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(195, 233, 45, 0.3);
}
.ai-coach-field.has-error .form-control,
.ai-coach-field.has-error .form-select {
    border-color: var(--critical);
    background: #fff8f8;
}

/* ---------- checkbox groups ---------- */
.ai-coach-checkbox-group {
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 14px 16px 12px;
    margin: 0;
}
.ai-coach-checkbox-group legend {
    font-weight: 600;
    font-size: 14px;
    color: var(--black);
    padding: 0 6px;
    width: auto;
    margin-bottom: 10px;
    float: none;
}
.ai-coach-checkbox-options {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}
.ai-coach-checkbox-option {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 32px;
}
.ai-coach-checkbox-option label {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
    cursor: pointer;
    font-size: 14px;
    color: var(--black);
    line-height: 1.3;
}
.ai-coach-checkbox-option input[type="checkbox"],
.ai-coach-checkbox-option .form-check-input {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary);
    flex-shrink: 0;
    margin: 0;
}

/* ---------- optional <details>/<summary> ---------- */
.ai-coach-optional {
    margin-top: 28px;
    padding-top: 22px;
    border-top: 1px dashed var(--line);
}
.ai-coach-optional-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 10px 16px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    color: var(--black);
    list-style: none;
    user-select: none;
    transition: background 0.15s;
}
.ai-coach-optional-toggle::-webkit-details-marker { display: none; }
.ai-coach-optional-toggle::before {
    content: '+';
    font-size: 18px;
    font-weight: 700;
    line-height: 1;
    display: inline-block;
    width: 14px;
    text-align: center;
}
.ai-coach-optional[open] > .ai-coach-optional-toggle::before {
    content: '−';
}
.ai-coach-optional-toggle:hover { background: var(--line); }
.ai-coach-optional-body {
    margin-top: 18px;
}

/* ---------- nav buttons ---------- */
.ai-coach-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-top: 32px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
}
.ai-coach-nav .flat-button {
    padding: 12px 28px;
    font-size: 14px;
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.ai-coach-back {
    background-color: var(--surface) !important;
    color: var(--black) !important;
    border: 1px solid var(--line);
}
.ai-coach-back:hover {
    background-color: var(--line) !important;
    color: var(--black) !important;
}
.ai-coach-next {
    margin-left: auto;
    min-width: 160px;
}
.ai-coach-back-placeholder {
    flex: 0 0 auto;
    width: 0;
}

/* ---------- generating screen ---------- */
.ai-coach-section-generating {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 70vh;
}
.ai-coach-generating {
    max-width: 480px;
    margin: 0 auto;
    text-align: center;
    padding: 40px 20px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 12px;
}
.ai-coach-generating h2 {
    font-family: "Oswald", sans-serif;
    font-size: 22px;
    margin: 20px 0 10px;
    color: var(--black);
}
.ai-coach-generating p {
    color: var(--secondary);
    font-size: 15px;
    line-height: 1.5;
    margin: 0;
}

.ai-coach-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--line);
    border-top-color: var(--primary);
    border-radius: 50%;
    margin: 0 auto;
    animation: ai-coach-spin 1s linear infinite;
}
.ai-coach-spinner-done {
    border-color: var(--success);
    border-top-color: var(--success);
    animation: none;
}
@keyframes ai-coach-spin {
    to { transform: rotate(360deg); }
}

.ai-coach-status-failed h2 { color: var(--critical); }
.ai-coach-status-failed p { margin: 10px 0 20px; }
.ai-coach-status-failed form { margin: 0; }

/* ---------- plan page ---------- */
.ai-coach-section-plan { padding: 50px 0 100px; }
.ai-coach-plan {
    max-width: 780px;
    margin: 0 auto 40px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 32px 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}
.ai-coach-plan-heading {
    font-family: "Oswald", sans-serif;
    font-size: 26px;
    margin: 0 0 20px;
    padding-bottom: 12px;
    border-bottom: 3px solid var(--primary);
    color: var(--black);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.ai-coach-plan-body {
    font-size: 16px;
    line-height: 1.65;
    color: var(--grey);
}
.ai-coach-plan-body h1,
.ai-coach-plan-body h2,
.ai-coach-plan-body h3,
.ai-coach-plan-body h4 {
    font-family: "Oswald", sans-serif;
    color: var(--black);
    margin: 24px 0 10px;
    line-height: 1.3;
}
.ai-coach-plan-body h1 { font-size: 22px; }
.ai-coach-plan-body h2 { font-size: 20px; }
.ai-coach-plan-body h3 { font-size: 18px; }
.ai-coach-plan-body h4 { font-size: 16px; }
.ai-coach-plan-body p { margin: 10px 0; }
.ai-coach-plan-body ul,
.ai-coach-plan-body ol { padding-left: 22px; margin: 10px 0; }
.ai-coach-plan-body li { margin-bottom: 6px; }
.ai-coach-plan-body strong { color: var(--black); font-weight: 700; }
.ai-coach-plan-body em { color: var(--secondary); }
.ai-coach-plan-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 14px;
}
.ai-coach-plan-body th,
.ai-coach-plan-body td {
    border: 1px solid var(--line);
    padding: 8px 12px;
    text-align: left;
}
.ai-coach-plan-body th { background: var(--surface); font-weight: 600; }
.ai-coach-plan-body code {
    background: var(--surface);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 14px;
    font-family: "SF Mono", Menlo, monospace;
}
.ai-coach-plan-body blockquote {
    border-left: 3px solid var(--primary);
    padding: 8px 16px;
    margin: 16px 0;
    background: var(--surface);
    color: var(--secondary);
}

/* ---------- plan chat iframe ---------- */
.ai-coach-chat {
    max-width: 780px;
    margin: 40px auto 0;
}
.ai-coach-chat-heading {
    font-family: "Oswald", sans-serif;
    font-size: 24px;
    margin: 0 0 8px;
    color: var(--black);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}
.ai-coach-chat-lead {
    color: var(--secondary);
    margin: 0 0 18px;
    font-size: 15px;
}
.ai-coach-chat-frame {
    border: 1px solid var(--line);
    border-radius: 12px;
    overflow: hidden;
    background: var(--surface);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}
.ai-coach-chat-frame iframe {
    width: 100%;
    height: 620px;
    border: 0;
    display: block;
}

/* ---------- responsive tweaks ---------- */
@media (min-width: 560px) {
    .ai-coach-checkbox-options { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
    .ai-coach-section { padding: 30px 0 60px; }
    .ai-coach-title { font-size: 26px; }
    .ai-coach-form,
    .ai-coach-plan { padding: 20px 16px; border-radius: 8px; }
    .ai-coach-step-intro h2 { font-size: 19px; }
    .ai-coach-plan-heading { font-size: 22px; }
    .ai-coach-progress-label { display: none; }
    .ai-coach-progress::before { left: 14px; right: 14px; top: 13px; }
    .ai-coach-progress-dot { width: 28px; height: 28px; font-size: 13px; }
    .ai-coach-nav .flat-button {
        padding: 10px 18px;
        font-size: 13px;
        letter-spacing: 0.05em;
    }
    .ai-coach-next { min-width: 120px; }
    .ai-coach-chat-frame iframe { height: 500px; }
}
@media (max-width: 380px) {
    .ai-coach-form,
    .ai-coach-plan { padding: 16px 12px; }
    .ai-coach-progress-dot { width: 24px; height: 24px; font-size: 11px; }
}

/* ------------------------------------------------------------------ */
/* Plan link box (generating + plan pages)                              */
/* ------------------------------------------------------------------ */
.ai-coach-plan-link-box {
    margin: 24px auto 0;
    max-width: 600px;
    background: var(--bg2, #f8f8f8);
    border: 1px solid var(--line, #e0e0e0);
    border-radius: 8px;
    padding: 16px 20px;
    text-align: center;
}
.ai-coach-plan-link-notice {
    margin: 0 0 12px;
    font-size: 14px;
    color: var(--secondary, #666);
}
.ai-coach-plan-link-row {
    display: flex;
    gap: 8px;
    align-items: center;
}
.ai-coach-plan-link-input {
    flex: 1;
    font-size: 13px;
    padding: 8px 10px;
    border: 1px solid var(--line, #e0e0e0);
    border-radius: 6px;
    background: #fff;
    color: var(--primary, #222);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.ai-coach-btn-copy {
    white-space: nowrap;
    flex-shrink: 0;
}