/* ========================================
   Skolix Auth – Stylesheet
   ======================================== */
:root {
    --sa-primary:       #2563eb;
    --sa-primary-dark:  #1d4ed8;
    --sa-primary-light: #eff6ff;
    --sa-accent:        #8b5cf6;
    --sa-success:       #10b981;
    --sa-error:         #ef4444;
    --sa-warning:       #f59e0b;
    --sa-text:          #1e293b;
    --sa-text-light:    #64748b;
    --sa-border:        #e2e8f0;
    --sa-bg:            #f8fafc;
    --sa-card:          #ffffff;
    --sa-radius:        16px;
    --sa-radius-sm:     10px;
    --sa-shadow:        0 8px 32px rgba(0,0,0,.10);
    --sa-transition:    .22s cubic-bezier(.4,0,.2,1);
}

/* ── Wrapper ── */
.sa-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 16px;
    background: #ffffff;
    position: relative;
    overflow: hidden;
}

/* ── Card ── */
.sa-card {
    background: rgba(255,255,255,.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--sa-radius);
    box-shadow: var(--sa-shadow), 0 1px 0 rgba(255,255,255,.6) inset;
    border: 1px solid rgba(255,255,255,.7);
    width: 100%;
    max-width: 440px;
    position: relative;
    z-index: 1;
    animation: sa-card-in .45s cubic-bezier(.34,1.56,.64,1) both;
}
@keyframes sa-card-in {
    from { opacity:0; transform: translateY(28px) scale(.96); }
    to   { opacity:1; transform: none; }
}

/* Profile card is wider */
.sa-card--profile {
    max-width: 560px;
}

/* ── Card header ── */
.sa-card-header {
    padding: 36px 36px 0;
    text-align: center;
}

.sa-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--sa-primary), var(--sa-accent));
    box-shadow: 0 8px 20px rgba(37,99,235,.35);
    margin-bottom: 20px;
    transition: transform var(--sa-transition);
}
.sa-logo:hover { transform: rotate(-6deg) scale(1.08); }
.sa-logo svg { color: #fff; }

.sa-card-title {
    font-size: 22px;
    font-weight: 800;
    color: var(--sa-text);
    margin: 0 0 6px;
    line-height: 1.2;
}
.sa-card-subtitle {
    font-size: 14px;
    color: var(--sa-text-light);
    margin: 0;
    line-height: 1.5;
}

/* ── Card body ── */
.sa-card-body {
    padding: 28px 36px 36px;
}
@media (max-width: 480px) {
    .sa-card-header { padding: 28px 24px 0; }
    .sa-card-body   { padding: 20px 24px 28px; }
}

/* ── Tab switch (Login: Login | Forgot) ── */
.sa-tabs {
    display: flex;
    background: var(--sa-bg);
    border-radius: var(--sa-radius-sm);
    padding: 4px;
    margin-bottom: 24px;
    gap: 4px;
}
.sa-tab {
    flex: 1;
    padding: 9px;
    font-size: 14px;
    font-weight: 600;
    color: var(--sa-text-light);
    background: transparent;
    border: none;
    border-radius: 7px;
    cursor: pointer;
    transition: all var(--sa-transition);
    font-family: inherit;
}
.sa-tab.active {
    background: #fff;
    color: var(--sa-primary);
    box-shadow: 0 2px 8px rgba(0,0,0,.08);
}
.sa-tab:hover:not(.active) { color: var(--sa-text); }

/* ── Form panels ── */
.sa-panel {
    display: none;
    animation: sa-fade-in .25s ease both;
}
.sa-panel.active { display: block; }
@keyframes sa-fade-in {
    from { opacity:0; transform: translateY(8px); }
    to   { opacity:1; transform: none; }
}

/* ── Form group ── */
.sa-form-group {
    margin-bottom: 18px;
}
.sa-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--sa-text);
    margin-bottom: 7px;
    letter-spacing: .01em;
}
.sa-label .required { color: var(--sa-error); margin-left: 2px; }

/* ── Input ── */
.sa-input-wrap {
    position: relative;
}
.sa-input {
    width: 100%;
    padding: 12px 14px 12px 42px;
    font-size: 14px;
    color: var(--sa-text);
    background: #fff;
    border: 2px solid var(--sa-border);
    border-radius: var(--sa-radius-sm);
    outline: none;
    transition: border-color var(--sa-transition), box-shadow var(--sa-transition);
    font-family: inherit;
    box-sizing: border-box;
}
.sa-input:focus {
    border-color: var(--sa-primary);
    box-shadow: 0 0 0 4px rgba(37,99,235,.12);
}
.sa-input.sa-error-field { border-color: var(--sa-error); }
.sa-input.sa-error-field:focus { box-shadow: 0 0 0 4px rgba(239,68,68,.12); }
.sa-input.sa-success-field { border-color: var(--sa-success); }

/* No icon variant */
.sa-input--no-icon { padding-left: 14px; }

.sa-input-icon {
    position: absolute;
    left: 13px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--sa-text-light);
    pointer-events: none;
    display: flex;
    transition: color var(--sa-transition);
}
.sa-input:focus ~ .sa-input-icon,
.sa-input-wrap:focus-within .sa-input-icon { color: var(--sa-primary); }

/* Password toggle */
.sa-pass-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--sa-text-light);
    display: flex;
    padding: 4px;
    transition: color var(--sa-transition);
}
.sa-pass-toggle:hover { color: var(--sa-primary); }
.sa-input.has-toggle { padding-right: 42px; }

/* Password strength */
.sa-password-strength {
    margin-top: 8px;
    display: none;
}
.sa-password-strength.visible { display: block; }
.sa-strength-bar {
    height: 4px;
    border-radius: 999px;
    background: var(--sa-border);
    overflow: hidden;
    margin-bottom: 4px;
}
.sa-strength-fill {
    height: 100%;
    border-radius: 999px;
    transition: width .4s ease, background .4s ease;
    width: 0%;
}
.sa-strength-text {
    font-size: 12px;
    color: var(--sa-text-light);
    font-weight: 600;
}
.sa-strength-1 .sa-strength-fill { width: 25%; background: var(--sa-error); }
.sa-strength-2 .sa-strength-fill { width: 50%; background: var(--sa-warning); }
.sa-strength-3 .sa-strength-fill { width: 75%; background: #3b82f6; }
.sa-strength-4 .sa-strength-fill { width: 100%; background: var(--sa-success); }

/* ── Row (two cols) ── */
.sa-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}
@media (max-width: 360px) {
    .sa-row { grid-template-columns: 1fr; }
}

/* ── Checkbox ── */
.sa-checkbox-wrap {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 20px;
}
.sa-checkbox {
    width: 18px;
    height: 18px;
    border: 2px solid var(--sa-border);
    border-radius: 5px;
    flex-shrink: 0;
    margin-top: 1px;
    cursor: pointer;
    accent-color: var(--sa-primary);
}
.sa-checkbox-label {
    font-size: 13px;
    color: var(--sa-text-light);
    line-height: 1.5;
    cursor: pointer;
}
.sa-checkbox-label a { color: var(--sa-primary); font-weight: 600; }

/* ── Remember row ── */
.sa-form-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 8px;
}
.sa-form-meta .sa-checkbox-wrap { margin-bottom: 0; }
.sa-forgot-link {
    font-size: 13px;
    color: var(--sa-primary);
    font-weight: 600;
    text-decoration: none;
    transition: color var(--sa-transition);
}
.sa-forgot-link:hover { color: var(--sa-primary-dark); text-decoration: underline; }

/* ── Submit button ── */
.sa-btn {
    display: block;
    width: 100%;
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--sa-primary), var(--sa-primary-dark));
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    border: none;
    border-radius: var(--sa-radius-sm);
    cursor: pointer;
    transition: all var(--sa-transition);
    position: relative;
    overflow: hidden;
    font-family: inherit;
    box-shadow: 0 4px 16px rgba(37,99,235,.35);
    letter-spacing: .01em;
}
.sa-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0);
    transition: background var(--sa-transition);
}
.sa-btn:hover::after { background: rgba(255,255,255,.08); }
.sa-btn:active { transform: scale(.98); }
.sa-btn:disabled {
    opacity: .65;
    cursor: not-allowed;
    transform: none;
}
.sa-btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}
.sa-spinner {
    width: 18px;
    height: 18px;
    border: 2.5px solid rgba(255,255,255,.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: sa-spin .7s linear infinite;
    flex-shrink: 0;
}
@keyframes sa-spin { to { transform: rotate(360deg); } }

/* ── Divider ── */
.sa-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 20px 0;
    font-size: 12px;
    color: var(--sa-text-light);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
}
.sa-divider::before,
.sa-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--sa-border);
}

/* ── Link row below form ── */
.sa-card-footer {
    text-align: center;
    padding: 0 36px 28px;
    font-size: 14px;
    color: var(--sa-text-light);
}
.sa-card-footer a {
    color: var(--sa-primary);
    font-weight: 700;
    text-decoration: none;
    transition: color var(--sa-transition);
}
.sa-card-footer a:hover { color: var(--sa-primary-dark); text-decoration: underline; }

/* ── Alert messages ── */
.sa-alert {
    border-radius: var(--sa-radius-sm);
    padding: 12px 16px;
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 18px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    animation: sa-fade-in .3s ease both;
}
.sa-alert-icon { flex-shrink: 0; margin-top: 1px; }
.sa-alert-error   { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.sa-alert-success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.sa-alert-info    { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }

/* ── Profile sections ── */
.sa-profile-header {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--sa-border);
}
.sa-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--sa-primary), var(--sa-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 800;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 4px 16px rgba(37,99,235,.3);
}
.sa-profile-info h2 {
    font-size: 20px;
    font-weight: 800;
    color: var(--sa-text);
    margin: 0 0 4px;
}
.sa-profile-info p {
    font-size: 14px;
    color: var(--sa-text-light);
    margin: 0;
}

.sa-section-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--sa-text);
    margin: 0 0 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.sa-section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--sa-border);
}

/* Textarea */
.sa-textarea {
    min-height: 90px;
    resize: vertical;
    padding: 12px 14px;
    font-size: 14px;
    color: var(--sa-text);
    background: #fff;
    border: 2px solid var(--sa-border);
    border-radius: var(--sa-radius-sm);
    outline: none;
    transition: border-color var(--sa-transition), box-shadow var(--sa-transition);
    font-family: inherit;
    width: 100%;
    box-sizing: border-box;
}
.sa-textarea:focus {
    border-color: var(--sa-primary);
    box-shadow: 0 0 0 4px rgba(37,99,235,.12);
}

/* Profile accordion / sections */
.sa-profile-section {
    margin-bottom: 28px;
}

/* Logout link */
.sa-logout-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--sa-error);
    font-weight: 600;
    text-decoration: none;
    transition: color var(--sa-transition);
    padding: 8px 0;
}
.sa-logout-link:hover { color: #b91c1c; }

/* ── Success checkmark animation ── */
@keyframes sa-check-in {
    0%   { stroke-dashoffset: 100; }
    100% { stroke-dashoffset: 0; }
}
.sa-check-anim {
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    animation: sa-check-in .6s cubic-bezier(.25,.8,.25,1) .1s forwards;
}

/* ── Responsive ── */
@media (max-width: 480px) {
    .sa-wrapper { padding: 20px 12px; align-items: flex-start; }
    .sa-card { border-radius: 12px; }
}