/**
 * Multi-Step Form Styles
 * Vector Space Modular / Vector Space Modular themed (light theme)
 *
 * Colors:
 *   --primary: #0c2340
 *   --accent:  #e8611a
 *   --secondary: #2c7be5
 */

/* ======================== */
/* CSS VARIABLES            */
/* ======================== */

.msf-wrap {
    --msf-primary: #0c2340;
    --msf-accent: #e8611a;
    --msf-secondary: #2c7be5;
    --msf-bg: #ffffff;
    --msf-surface: #f8f9fb;
    --msf-surface-2: #eef1f6;
    --msf-border: #d5dbe5;
    --msf-text: #1a1d27;
    --msf-text-muted: #6b7280;
    --msf-danger: #dc3545;
    --msf-success: #10b981;
    --msf-radius: 12px;
    --msf-accent-light: rgba(232, 97, 26, 0.1);
    --msf-secondary-light: rgba(44, 123, 229, 0.1);
}

/* ======================== */
/* PROGRESS BAR             */
/* ======================== */

.progress-wrap {
    max-width: 800px;
    margin: 0 auto 1.5rem;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.5rem;
}

.progress-header .step-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--msf-accent);
}

.progress-header .step-name {
    font-size: 0.82rem;
    color: var(--msf-text-muted);
}

.progress-track {
    height: 6px;
    background: var(--msf-surface-2);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--msf-accent), var(--msf-secondary));
    border-radius: 3px;
    transition: width 0.45s cubic-bezier(0.4, 0, 0.2, 1);
    width: 25%;
}

/* Step indicators */
.step-indicators {
    display: flex;
    justify-content: space-between;
    margin-top: 0.75rem;
}

.step-dot {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.72rem;
    color: var(--msf-text-muted);
    transition: color 0.3s;
}

.step-dot .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--msf-surface-2);
    border: 2px solid var(--msf-border);
    transition: all 0.3s;
}

.step-dot.active .dot {
    background: var(--msf-accent);
    border-color: var(--msf-accent);
    box-shadow: 0 0 0 3px var(--msf-accent-light);
}

.step-dot.active {
    color: var(--msf-accent);
    font-weight: 600;
}

.step-dot.completed .dot {
    background: var(--msf-success);
    border-color: var(--msf-success);
}

.step-dot.completed {
    color: var(--msf-text);
}

/* ======================== */
/* FORM CARD                */
/* ======================== */

.msf-card {
    max-width: 800px;
    margin: 0 auto 2rem;
}

.form-step {
    background: var(--msf-bg);
    border: 1px solid var(--msf-border);
    border-radius: var(--msf-radius);
    padding: 2rem;
    display: none;
    animation: msfFadeSlideIn 0.35s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.form-step.active {
    display: block;
}

.form-step h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--msf-primary);
    margin-bottom: 0.3rem;
}

.form-step .step-desc {
    color: var(--msf-text-muted);
    font-size: 0.88rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

/* ======================== */
/* FORM FIELDS              */
/* ======================== */

.msf-wrap .form-group {
    margin-bottom: 1.25rem;
}

.msf-wrap .form-group label {
    display: block;
    font-size: 0.84rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
    color: var(--msf-text);
}

.msf-wrap .form-group label .optional {
    font-weight: 400;
    color: var(--msf-text-muted);
    font-size: 0.75rem;
}

.msf-wrap .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.msf-wrap .form-control {
    width: 100%;
    padding: 0.7rem 1rem;
    border-radius: 8px;
    border: 2px solid var(--msf-border);
    background: var(--msf-surface);
    color: var(--msf-text);
    font-size: 0.9rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.msf-wrap .form-control::placeholder {
    color: var(--msf-text-muted);
}

.msf-wrap .form-control:focus {
    border-color: var(--msf-secondary);
    box-shadow: 0 0 0 3px var(--msf-secondary-light);
}

.msf-wrap textarea.form-control {
    min-height: 110px;
    resize: vertical;
}

.msf-wrap select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236b7280' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 2.5rem;
    cursor: pointer;
}

/* Invalid state */
.msf-wrap .form-control.is-invalid {
    border-color: var(--msf-danger);
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.12);
}

.msf-wrap .invalid-msg {
    color: var(--msf-danger);
    font-size: 0.75rem;
    margin-top: 0.25rem;
    display: none;
}

.msf-wrap .form-control.is-invalid ~ .invalid-msg {
    display: block;
}

/* ======================== */
/* REVIEW / SUMMARY         */
/* ======================== */

.summary-grid {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 0.5rem 1rem;
    font-size: 0.88rem;
}

.summary-grid dt {
    color: var(--msf-text-muted);
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding-top: 0.2rem;
}

.summary-grid dd {
    color: var(--msf-text);
    padding-bottom: 0.6rem;
    border-bottom: 1px solid var(--msf-surface-2);
    word-break: break-word;
}

.summary-section {
    margin-bottom: 1.5rem;
}

.summary-section h3 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--msf-primary);
    margin-bottom: 0.75rem;
    padding-bottom: 0.4rem;
    border-bottom: 2px solid var(--msf-accent);
    display: inline-block;
}

.summary-tag {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: var(--msf-surface-2);
    border: 1px solid var(--msf-border);
    border-radius: 4px;
    font-size: 0.78rem;
    color: var(--msf-text);
}

/* Privacy / terms checkbox */
.privacy-check {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--msf-surface);
    border: 1px solid var(--msf-border);
    border-radius: 8px;
    font-size: 0.85rem;
    line-height: 1.5;
}

.privacy-check input[type="checkbox"] {
    margin-top: 0.2rem;
    accent-color: var(--msf-accent);
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    cursor: pointer;
}

.privacy-check a {
    color: var(--msf-secondary);
    text-decoration: underline;
}

/* ======================== */
/* NAVIGATION BUTTONS       */
/* ======================== */

.form-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--msf-border);
}

.msf-wrap .btn-back {
    padding: 0.7rem 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--msf-border);
    background: var(--msf-bg);
    color: var(--msf-text);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.msf-wrap .btn-back:hover {
    border-color: var(--msf-text-muted);
    background: var(--msf-surface);
}

.msf-wrap .btn-next {
    padding: 0.7rem 1.75rem;
    border-radius: 8px;
    border: none;
    background: var(--msf-accent);
    color: #fff;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.msf-wrap .btn-next:hover {
    background: #d1560f;
    box-shadow: 0 0 0 3px var(--msf-accent-light);
    transform: translateY(-1px);
}

.msf-wrap .btn-submit {
    padding: 0.8rem 2.5rem;
    border-radius: 8px;
    border: none;
    background: linear-gradient(135deg, var(--msf-accent), var(--msf-secondary));
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.msf-wrap .btn-submit:hover {
    box-shadow: 0 4px 16px rgba(232, 97, 26, 0.3);
    transform: translateY(-1px);
}

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

.msf-wrap .btn-submit .spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: msfSpin 0.6s linear infinite;
}

/* ======================== */
/* ANIMATIONS               */
/* ======================== */

@keyframes msfFadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes msfSpin {
    to { transform: rotate(360deg); }
}

/* ======================== */
/* REQUIRED ASTERISK        */
/* ======================== */

.msf-wrap .required {
    color: var(--msf-danger);
    font-weight: 700;
}

/* ======================== */
/* TOAST                    */
/* ======================== */

#msf-toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--msf-primary);
    color: #fff;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    z-index: 9999;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    transition: opacity 0.3s;
    opacity: 0;
    pointer-events: none;
}

/* ======================== */
/* RESPONSIVE               */
/* ======================== */

@media (max-width: 768px) {
    .form-step {
        padding: 1.25rem;
    }

    .msf-wrap .form-row {
        grid-template-columns: 1fr;
    }

    .summary-grid {
        grid-template-columns: 1fr;
    }

    .summary-grid dt {
        padding-top: 0.5rem;
    }

    .step-dot span {
        display: none;
    }

    .form-nav {
        gap: 0.75rem;
    }

    .msf-wrap .btn-next,
    .msf-wrap .btn-back,
    .msf-wrap .btn-submit {
        padding: 0.65rem 1.2rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .progress-header {
        flex-direction: column;
        gap: 0.2rem;
    }

    .form-step h2 {
        font-size: 1.1rem;
    }
}