/* ============================================================
   PabloExchange — Shared login and signup styles
   Save as static/css/login.css
   ============================================================ */

:root {
    --px-primary: #10b981;
    --px-primary-dark: #059669;
    --px-primary-deep: #047857;
    --px-primary-soft: #ecfdf5;
    --px-primary-border: #a7f3d0;
    --px-charcoal: #0b1220;
    --px-slate: #334155;
    --px-muted: #64748b;
    --px-page: #f3f4f6;
    --px-white: #ffffff;
    --px-border: #e2e8f0;
    --px-red: #dc2626;
    --px-red-soft: #fef2f2;
    --px-shadow: 0 16px 45px rgba(15, 23, 42, .09);
}

* {
    -webkit-tap-highlight-color: transparent;
}

html {
    overflow-x: clip;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
    overflow-x: clip;
    background: var(--px-page);
    color: var(--px-charcoal);
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-style: normal;
    line-height: 1.6;
}

a {
    text-decoration: none;
}

button,
input {
    font-family: inherit;
}

/* Base logo */
.logo-badge {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    flex: 0 0 36px;
    margin-right: 10px;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 11px;
    background: var(--px-primary);
    color: var(--px-charcoal);
    font-size: 1.08rem;
}

.logo-badge::after {
    content: '';
    position: absolute;
    right: -2px;
    bottom: -2px;
    width: 9px;
    height: 9px;
    border: 2px solid var(--px-charcoal);
    border-radius: 50%;
    background: var(--px-white);
}

.logo-text {
    color: var(--px-white);
    font-size: 1.16rem;
    font-style: normal;
    font-weight: 700;
    letter-spacing: normal;
    line-height: 1.2;
    white-space: nowrap;
}

.logo-text span {
    color: var(--px-primary);
}

/* Public navigation */
.px-navbar {
    padding: 13px 0;
    border-bottom: 1px solid rgba(255, 255, 255, .07);
    background: rgba(11, 18, 32, .98);
    box-shadow: 0 5px 20px rgba(11, 18, 32, .12);
    backdrop-filter: blur(12px);
}

.px-navbar .navbar-brand {
    min-width: 0;
    margin-right: 20px;
}

.px-navbar .nav-link {
    margin: 0 3px;
    padding: 8px 9px;
    border-radius: 8px;
    color: #cbd5e1;
    font-size: .87rem;
    font-weight: 500;
    transition: color .18s ease, background-color .18s ease;
}

.px-navbar .nav-link:hover,
.px-navbar .nav-link:focus {
    background: rgba(16, 185, 129, .08);
    color: var(--px-primary);
}

.px-toggler {
    padding: 7px 9px;
    border: 1px solid rgba(255, 255, 255, .25);
    border-radius: 9px;
    color: var(--px-white);
}

.px-toggler:focus {
    box-shadow: 0 0 0 3px rgba(16, 185, 129, .22);
}

.px-toggler .navbar-toggler-icon {
    filter: invert(1);
}

.px-btn-gold,
.px-btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    border-radius: 10px;
    font-size: .88rem;
    font-style: normal;
    font-weight: 700;
    letter-spacing: normal;
    line-height: 1.4;
    transition: background-color .18s ease, border-color .18s ease, color .18s ease;
}

.px-btn-gold {
    padding: 9px 20px;
    border: 1px solid var(--px-primary-dark);
    background: var(--px-primary-dark);
    color: var(--px-white);
}

.px-btn-gold:hover,
.px-btn-gold:focus {
    border-color: var(--px-primary-deep);
    background: var(--px-primary-deep);
    color: var(--px-white);
}

.px-btn-outline {
    padding: 8px 19px;
    border: 1px solid rgba(255, 255, 255, .28);
    background: transparent;
    color: var(--px-white);
}

.px-btn-outline:hover,
.px-btn-outline:focus {
    border-color: var(--px-primary);
    background: rgba(16, 185, 129, .1);
    color: var(--px-primary);
}

/* Authentication canvas */
.auth-section {
    display: flex;
    align-items: center;
    flex: 1 0 auto;
    width: 100%;
    padding: 126px 0 62px;
    background:
        radial-gradient(circle at 10% 22%, rgba(16, 185, 129, .08), transparent 25%),
        radial-gradient(circle at 90% 75%, rgba(16, 185, 129, .07), transparent 26%),
        var(--px-page);
}

.auth-section .row {
    width: 100%;
    margin-right: auto;
    margin-left: auto;
}

.auth-card {
    position: relative;
    width: 100%;
    padding: 31px 30px 29px;
    overflow: hidden;
    border: 1px solid var(--px-border);
    border-radius: 18px;
    background: var(--px-white);
    box-shadow: var(--px-shadow);
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 3px;
    background: var(--px-primary);
}

.auth-header {
    margin-bottom: 25px;
    text-align: center;
}

.auth-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    margin: 0 auto 15px;
    border: 1px solid var(--px-primary-border);
    border-radius: 14px;
    background: var(--px-primary-soft);
    color: var(--px-primary-deep);
    font-size: 1.35rem;
}

.auth-header h2 {
    margin: 0 0 7px;
    color: var(--px-charcoal);
    font-size: 1.5rem;
    font-style: normal;
    font-weight: 700;
    letter-spacing: -.02em;
    line-height: 1.3;
}

.auth-header p {
    max-width: 370px;
    margin: 0 auto;
    color: var(--px-muted);
    font-size: .86rem;
    line-height: 1.65;
}

/* Server and validation alerts */
.auth-alert {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    margin-bottom: 19px;
    padding: 11px 12px;
    border: 1px solid #fecaca;
    border-radius: 10px;
    background: var(--px-red-soft);
    color: #b91c1c;
    font-size: .8rem;
    line-height: 1.55;
}

.auth-alert > i {
    flex: 0 0 auto;
    margin-top: 2px;
}

.auth-alert > span {
    flex: 1;
    min-width: 0;
    overflow-wrap: anywhere;
}

.auth-alert-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 23px;
    height: 23px;
    flex: 0 0 23px;
    padding: 0;
    border: 0;
    border-radius: 6px;
    background: transparent;
    color: #b91c1c;
    font-size: 1rem;
}

.auth-alert-close:hover {
    background: #fee2e2;
}

/* Form fields */
.form-group {
    margin-bottom: 17px;
}

.form-label {
    display: block;
    margin-bottom: 7px;
    color: var(--px-slate);
    font-size: .82rem;
    font-weight: 600;
    line-height: 1.45;
}

.input-wrap {
    position: relative;
    min-width: 0;
}

.input-icon {
    position: absolute;
    top: 50%;
    left: 14px;
    z-index: 2;
    color: #94a3b8;
    font-size: .91rem;
    line-height: 1;
    pointer-events: none;
    transform: translateY(-50%);
}

.auth-input.form-control {
    width: 100%;
    height: 49px;
    min-width: 0;
    padding: 11px 42px;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    background: var(--px-white);
    color: var(--px-charcoal);
    font-size: .9rem;
    font-style: normal;
    font-weight: 400;
    letter-spacing: normal;
    line-height: 1.4;
    box-shadow: none;
    transition: border-color .18s ease, box-shadow .18s ease, background-color .18s ease;
}

.auth-input.form-control::placeholder {
    color: #94a3b8;
    opacity: 1;
}

.auth-input.form-control:focus {
    border-color: var(--px-primary);
    background: var(--px-white);
    color: var(--px-charcoal);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, .12);
    outline: none;
}

.auth-input.form-control:focus + .toggle-pass,
.input-wrap:focus-within .input-icon {
    color: var(--px-primary-deep);
}

.auth-input.form-control.is-invalid,
.auth-input.form-control.error {
    border-color: #f87171;
    background: #fffafa;
}

.auth-input.form-control.is-valid,
.auth-input.form-control.success {
    border-color: var(--px-primary);
}

.toggle-pass {
    position: absolute;
    top: 50%;
    right: 8px;
    z-index: 3;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 33px;
    height: 33px;
    padding: 0;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: #94a3b8;
    font-size: .92rem;
    transform: translateY(-50%);
    transition: color .18s ease, background-color .18s ease;
}

.toggle-pass:hover,
.toggle-pass:focus {
    background: var(--px-primary-soft);
    color: var(--px-primary-deep);
    outline: none;
}

.field-error {
    display: none;
    margin-top: 6px;
    color: var(--px-red);
    font-size: .75rem;
    font-weight: 500;
    line-height: 1.5;
    overflow-wrap: anywhere;
}

.field-error.show,
.field-error:not(:empty) {
    display: block;
}

/* Remember me, terms and forgot password */
.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    margin: 2px 0 19px;
}

.remember-me {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
    margin: 0;
    color: var(--px-muted);
    font-size: .79rem;
    font-weight: 400;
    line-height: 1.5;
    cursor: pointer;
    user-select: none;
}

.remember-me input {
    position: absolute;
    top: 0;
    left: 0;
    width: 18px;
    height: 18px;
    margin: 0;
    opacity: 0;
    cursor: pointer;
}

.checkmark {
    position: relative;
    display: inline-block;
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
    border: 1px solid #cbd5e1;
    border-radius: 5px;
    background: var(--px-white);
    transition: border-color .18s ease, background-color .18s ease, box-shadow .18s ease;
}

.remember-me input:checked + .checkmark {
    border-color: var(--px-primary-dark);
    background: var(--px-primary-dark);
}

.remember-me input:checked + .checkmark::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 5px;
    width: 5px;
    height: 9px;
    border: solid var(--px-white);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.remember-me input:focus-visible + .checkmark {
    border-color: var(--px-primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, .14);
}

.forgot-link {
    flex: 0 0 auto;
    color: var(--px-primary-deep);
    font-size: .79rem;
    font-weight: 600;
}

.forgot-link:hover {
    color: var(--px-charcoal);
    text-decoration: underline;
}

.terms-check {
    align-items: flex-start;
    width: 100%;
}

.terms-check .checkmark {
    margin-top: 1px;
}

.terms-text {
    min-width: 0;
    color: var(--px-muted);
    line-height: 1.65;
}

.terms-text a {
    color: var(--px-primary-deep);
    font-weight: 600;
}

.terms-text a:hover {
    text-decoration: underline;
}

/* Password strength */
.strength-meter {
    height: 5px;
    margin-top: 8px;
    overflow: hidden;
    border-radius: 999px;
    background: #e2e8f0;
}

.strength-bar {
    width: 0;
    height: 100%;
    border-radius: 999px;
    background: var(--px-primary-dark);
    transition: width .2s ease, background-color .2s ease;
}

.strength-bar.weak {
    background: #ef4444;
}

.strength-bar.medium,
.strength-bar.fair {
    background: #f59e0b;
}

.strength-bar.strong,
.strength-bar.good {
    background: var(--px-primary-dark);
}

.strength-label {
    min-height: 0;
    margin-top: 5px;
    color: var(--px-muted);
    font-size: .73rem;
    line-height: 1.45;
}

.strength-label:empty {
    display: none;
}

/* Submit and alternate action */
.auth-submit.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 49px;
    padding: 12px 18px;
    border: 1px solid var(--px-primary-dark);
    border-radius: 10px;
    background: var(--px-primary-dark);
    color: var(--px-white);
    box-shadow: 0 5px 15px rgba(5, 150, 105, .17);
    font-size: .91rem;
    font-style: normal;
    font-weight: 700;
    letter-spacing: normal;
    line-height: 1.4;
    transition: background-color .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.auth-submit.btn:hover,
.auth-submit.btn:focus {
    border-color: var(--px-primary-deep);
    background: var(--px-primary-deep);
    color: var(--px-white);
    box-shadow: 0 7px 19px rgba(5, 150, 105, .22);
}

.auth-submit.btn:disabled {
    border-color: var(--px-primary-dark);
    background: var(--px-primary-dark);
    color: var(--px-white);
    opacity: .68;
}

.submit-spinner {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 23px 0 17px;
    color: var(--px-muted);
    font-size: .75rem;
    line-height: 1.5;
    text-align: center;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--px-border);
}

.auth-divider span {
    flex: 0 1 auto;
}

.auth-alt-btn.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    min-height: 46px;
    padding: 10px 15px;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    background: var(--px-white);
    color: var(--px-slate);
    font-size: .86rem;
    font-weight: 600;
    line-height: 1.4;
    transition: border-color .18s ease, background-color .18s ease, color .18s ease;
}

.auth-alt-btn.btn:hover,
.auth-alt-btn.btn:focus {
    border-color: var(--px-primary);
    background: var(--px-primary-soft);
    color: var(--px-primary-deep);
}

.auth-trust {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 7px;
    margin: 17px auto 0;
    color: var(--px-muted);
    font-size: .74rem;
    line-height: 1.55;
    text-align: center;
}

.auth-trust i {
    flex: 0 0 auto;
    margin-top: 2px;
    color: var(--px-primary-dark);
}

/* Compact footer */
.footer {
    flex: 0 0 auto;
    width: 100%;
    padding: 19px 0;
    border-top: 1px solid rgba(255, 255, 255, .06);
    background: var(--px-charcoal);
}

.footer-bottom {
    margin: 0;
    color: #94a3b8;
    font-size: .77rem;
    text-align: center;
}

.footer-bottom p {
    margin: 0;
}

/* Navigation collapse */
@media (max-width: 991px) {
    .px-navbar .navbar-collapse {
        margin-top: 12px;
        padding: 10px 0 4px;
        border-top: 1px solid rgba(255, 255, 255, .08);
    }

    .px-navbar .nav-link {
        margin: 2px 0;
        padding: 9px 10px;
    }

    .px-navbar .navbar-collapse > .d-flex {
        margin-top: 10px;
        padding-bottom: 9px;
    }

    .px-navbar .navbar-collapse > .d-flex .btn {
        flex: 1;
        text-align: center;
    }
}

/* Phones */
@media (max-width: 575px) {
    .auth-section {
        align-items: flex-start;
        padding: 105px 0 43px;
    }

    .auth-card {
        padding: 26px 20px 23px;
        border-radius: 16px;
    }

    .auth-header {
        margin-bottom: 22px;
    }

    .auth-header h2 {
        font-size: 1.35rem;
    }

    .auth-header p {
        font-size: .83rem;
    }

    .auth-icon {
        width: 46px;
        height: 46px;
        margin-bottom: 13px;
        border-radius: 13px;
        font-size: 1.22rem;
    }

    .auth-input.form-control,
    .toggle-pass,
    .form-label,
    .remember-me,
    .forgot-link {
        font-size: 16px;
    }

    .form-label {
        font-size: .86rem;
    }

    .remember-me,
    .forgot-link {
        font-size: .82rem;
    }

    .auth-divider {
        gap: 9px;
    }

    .auth-trust {
        font-size: .72rem;
    }
}

@media (max-width: 400px) {
    .logo-badge {
        width: 32px;
        height: 32px;
        flex-basis: 32px;
        margin-right: 8px;
        border-radius: 9px;
        font-size: .95rem;
    }

    .logo-text {
        font-size: 1rem;
    }
}

@media (max-width: 360px) {
    .auth-card {
        padding-right: 15px;
        padding-left: 15px;
    }

    .form-options {
        align-items: flex-start;
        flex-direction: column;
        gap: 9px;
    }

    .auth-divider {
        font-size: .7rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .auth-input.form-control,
    .toggle-pass,
    .checkmark,
    .strength-bar,
    .auth-submit.btn,
    .auth-alt-btn.btn,
    .px-btn-gold,
    .px-btn-outline {
        transition: none;
    }
}