/*
File: assets/css/user/user-login.css
Purpose: Balanced no-scroll User Login interface with professional spacing for mobile, laptop and desktop screens.

Used By:
- user/user-login.php

Connection Notes:
- Control icons come from the Font Awesome stylesheet loaded by user/user-login.php.
- Password visibility and Remember Me behaviour come from assets/js/user/user-login.js.
- This file changes presentation only; User authentication remains inside user/user-login.php.
*/

/* ==============================================================
   1. Theme and Page Foundation
   ============================================================== */
:root {
    --user-login-blue: #071a70;
    --user-login-blue-strong: #061257;
    --user-login-blue-soft: #edf2ff;
    --user-login-pink: #f5005d;
    --user-login-gold: #ffbd00;
    --user-login-gold-dark: #e9a700;
    --user-login-green: #0f8a3c;
    --user-login-text: #17213a;
    --user-login-muted: #62708a;
    --user-login-line: #ccd6e7;
    --user-login-panel: #ffffff;
    --user-login-page: #eef3f9;
    --user-login-error: #be123c;
    --user-login-success: #15803d;
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    height: 100%;
}

body {
    min-height: 100%;
    margin: 0;
    color: var(--user-login-text);
    font-family: Arial, Helvetica, sans-serif;
}

button,
input {
    font: inherit;
}

a {
    color: inherit;
}

.user-login-page {
    min-height: 100vh;
    min-height: 100dvh;
    overflow: hidden;
    background:
        linear-gradient(rgba(255, 255, 255, 0.38), rgba(255, 255, 255, 0.38)),
        radial-gradient(circle at 16% 12%, rgba(11, 27, 158, 0.10), transparent 34%),
        radial-gradient(circle at 88% 90%, rgba(245, 0, 93, 0.08), transparent 30%),
        var(--user-login-page);
}

.user-login-layout {
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    padding: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ==============================================================
   2. Main Login Card
   ============================================================== */
.user-login-card {
    width: min(100%, 500px);
    overflow: hidden;
    border: 1px solid #aeb9cc;
    border-top: 6px solid var(--user-login-pink);
    border-radius: 17px;
    background: var(--user-login-panel);
    box-shadow: 0 16px 38px rgba(25, 36, 67, 0.18);
}

.user-login-brand-header {
    min-height: 76px;
    padding: 10px 22px 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid #b9c2d1;
    background: #ffffff;
}

.user-login-logo {
    width: min(100%, 205px);
    max-height: 58px;
    display: block;
    object-fit: contain;
}

.user-login-workspace {
    padding: 16px 20px 17px;
}

/* ==============================================================
   3. Compact Heading
   ============================================================== */
.user-login-heading-row {
    min-height: 58px;
    margin-bottom: 14px;
    display: grid;
    grid-template-columns: 48px 1fr;
    align-items: center;
    gap: 13px;
}

.user-login-heading-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border: 1px solid #cbd4e3;
    border-radius: 50%;
    background: #f3f5ff;
    color: var(--user-login-blue);
    box-shadow: 0 3px 8px rgba(7, 26, 112, 0.12);
    font-size: 19px;
}

.user-login-heading-copy h1 {
    margin: 0 0 2px;
    color: #101827;
    font-size: 21px;
    font-weight: 650;
    line-height: 1.15;
    text-transform: uppercase;
}

.user-login-heading-copy p {
    margin: 0;
    color: #3f4c64;
    font-size: 11px;
    font-weight: 400;
    line-height: 1.35;
    text-transform: uppercase;
}

/* ==============================================================
   4. Login Messages
   ============================================================== */
.user-login-message {
    display: none;
    margin: 0 0 8px;
    padding: 8px 10px;
    align-items: flex-start;
    gap: 7px;
    border-radius: 7px;
    font-size: 11px;
    font-weight: 400;
    line-height: 1.35;
}

.user-login-message.error,
.user-login-message.success {
    display: flex;
}

.user-login-message.error {
    border: 1px solid #fecaca;
    background: #fff1f2;
    color: var(--user-login-error);
}

.user-login-message.success {
    border: 1px solid #bbf7d0;
    background: #f0fdf4;
    color: var(--user-login-success);
}

.user-login-message i {
    margin-top: 1px;
    flex: 0 0 auto;
}

/* ==============================================================
   5. Label + Input Rows
   ============================================================== */
.user-login-field-row {
    margin-bottom: 12px;
    display: grid;
    grid-template-columns: 122px minmax(0, 1fr);
    align-items: center;
    column-gap: 12px;
}

.user-login-field-label {
    min-height: 44px;
    padding: 0 12px;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    border: 1px solid var(--user-login-blue);
    border-radius: 7px;
    background: #fbfcff;
    color: #101827;
    font-size: 11.5px;
    font-weight: 600;
    line-height: 1;
    text-transform: uppercase;
}

.user-login-field-label i {
    color: var(--user-login-blue);
    font-size: 12px;
}

.user-login-field-control {
    min-width: 0;
    min-height: 44px;
    display: flex;
    align-items: center;
    position: relative;
    border: 1px solid var(--user-login-blue);
    border-radius: 7px;
    background: #ffffff;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.user-login-field-control:focus-within {
    border-color: var(--user-login-pink);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(245, 0, 93, 0.10);
}

.user-login-input-icon {
    width: 36px;
    height: 30px;
    display: grid;
    place-items: center;
    flex: 0 0 36px;
    border-right: 1px solid #e1e6ef;
    color: var(--user-login-blue);
    font-size: 12px;
}

.user-login-field-control input {
    width: 100%;
    min-width: 0;
    height: 42px;
    padding: 0 11px;
    border: 0;
    outline: 0;
    background: transparent;
    color: #111827;
    font-size: 12px;
    font-weight: 400;
    text-transform: uppercase;
}

.user-password-control input {
    padding-right: 36px;
    text-transform: none;
}

.user-login-field-control input::placeholder {
    color: #536078;
    opacity: 1;
    font-size: 10.5px;
    font-weight: 400;
    text-transform: uppercase;
}

.user-password-toggle {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    position: absolute;
    right: 2px;
    border: 0;
    border-radius: 6px;
    background: transparent;
    color: #65728a;
    cursor: pointer;
    transition: color 0.18s ease, background 0.18s ease;
}

.user-password-toggle:hover,
.user-password-toggle:focus-visible {
    outline: 0;
    background: #eef2ff;
    color: var(--user-login-blue);
}

.user-field-error {
    display: none;
    grid-column: 2;
    margin-top: 4px;
    color: var(--user-login-error);
    font-size: 10.5px;
    font-weight: 400;
    line-height: 1.2;
}

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

.user-login-field-row.has-error .user-login-field-control {
    border-color: var(--user-login-error);
    box-shadow: 0 0 0 2px rgba(190, 18, 60, 0.08);
}

/* ==============================================================
   6. Options and Login Action
   ============================================================== */
.user-login-options {
    margin: 4px 3px 13px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.user-remember-label {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: #713111;
    font-size: 10.5px;
    font-weight: 400;
    text-transform: uppercase;
    cursor: pointer;
}

.user-remember-label input {
    width: 17px;
    height: 17px;
    margin: 0;
    accent-color: var(--user-login-blue);
    cursor: pointer;
}

.user-forgot-password-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: #c90018;
    font-size: 10.5px;
    font-weight: 600;
    text-decoration: none;
    text-transform: uppercase;
    white-space: nowrap;
}

.user-forgot-password-link:hover,
.user-forgot-password-link:focus-visible {
    outline: 0;
    color: var(--user-login-blue);
    text-decoration: underline;
}

.user-login-button {
    width: 100%;
    min-height: 46px;
    padding: 0 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    border: 0;
    border-radius: 6px;
    background: linear-gradient(115deg, var(--user-login-blue-strong), var(--user-login-blue));
    color: #ffffff;
    cursor: pointer;
    font-size: 13.5px;
    font-weight: 600;
    text-transform: uppercase;
    box-shadow: 0 5px 11px rgba(7, 26, 112, 0.18);
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.user-login-button:hover {
    transform: translateY(-1px);
    background: linear-gradient(115deg, #1116a0, #0b2da8);
    box-shadow: 0 8px 16px rgba(7, 26, 112, 0.24);
}

.user-login-button:active {
    transform: translateY(0);
    background: var(--user-login-blue-strong);
    box-shadow: 0 3px 7px rgba(7, 26, 112, 0.18);
}

.user-login-button:disabled {
    cursor: not-allowed;
    opacity: 0.68;
    transform: none;
    box-shadow: none;
}

/* ==============================================================
   7. Divider and Registration CTA
   ============================================================== */
.user-login-divider {
    margin: 11px 0;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 10px;
    color: #5e687b;
}

.user-login-divider span {
    height: 1px;
    background: #cfd7e5;
}

.user-login-divider b {
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    border: 1px solid #cfd7e5;
    border-radius: 50%;
    background: #ffffff;
    font-size: 10px;
    font-weight: 600;
}

.user-register-cta {
    padding: 11px 12px 12px;
    border: 1px solid #cbd6e7;
    border-radius: 8px;
    background: linear-gradient(135deg, #ffffff, #f8f9fc);
    box-shadow: 0 3px 8px rgba(23, 33, 58, 0.08);
}

.user-register-copy-row {
    margin-bottom: 9px;
    display: grid;
    grid-template-columns: 38px 1fr;
    align-items: center;
    gap: 8px;
}

.user-register-cta-icon {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border: 1px solid #d4dceb;
    border-radius: 50%;
    background: #f2f4ff;
    color: var(--user-login-blue);
    box-shadow: 0 2px 6px rgba(7, 26, 112, 0.10);
    font-size: 15px;
}

.user-register-cta-content h2 {
    margin: 0 0 2px;
    color: #1d2638;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.2;
    text-transform: uppercase;
}

.user-register-cta-content p {
    margin: 0;
    color: #596780;
    font-size: 11px;
    font-weight: 400;
    line-height: 1.3;
}

.user-register-button {
    width: 100%;
    min-height: 43px;
    padding: 0 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    border: 1px solid var(--user-login-gold-dark);
    border-radius: 6px;
    background: linear-gradient(115deg, #ffc400, var(--user-login-gold));
    color: #111827;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    text-transform: uppercase;
    box-shadow: 0 4px 9px rgba(216, 151, 0, 0.22);
    transition: transform 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.user-register-button:hover {
    transform: translateY(-1px);
    background: linear-gradient(115deg, #ffd53f, #ffc400);
    box-shadow: 0 7px 14px rgba(216, 151, 0, 0.27);
}

.user-register-button:active {
    transform: translateY(0);
    background: var(--user-login-gold-dark);
}

/* ==============================================================
   8. Compact Support Note
   ============================================================== */
.user-login-help {
    margin: 9px 0 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    color: #58657d;
    font-size: 10px;
    font-weight: 400;
    line-height: 1.2;
    text-align: center;
}

.user-login-help i {
    color: var(--user-login-pink);
}

/* ==============================================================
   9. Mobile and Viewport Height Control
   ============================================================== */
@media (max-width: 479px) {
    .user-login-layout {
        padding: 8px;
    }

    .user-login-card {
        width: min(100%, 410px);
        border-radius: 15px;
    }

    .user-login-brand-header {
        min-height: 64px;
        padding: 7px 14px;
    }

    .user-login-logo {
        width: min(100%, 184px);
        max-height: 50px;
    }

    .user-login-workspace {
        padding: 11px 13px 12px;
    }

    .user-login-heading-row {
        min-height: 50px;
        margin-bottom: 9px;
        display: flex;
        align-items: center;
        justify-content: flex-start;
        gap: 10px;
        padding: 0 10px;
    }

    .user-login-heading-icon {
        width: 42px;
        height: 42px;
        flex: 0 0 42px;
        font-size: 17px;
    }

    .user-login-heading-copy {
        min-width: 0;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .user-login-heading-copy h1 {
        font-size: 18px;
    }

    .user-login-heading-copy p {
        font-size: 10px;
    }

    /* Mobile keeps labels available in HTML but hides them visually. */
    .user-login-field-label {
        display: none;
    }

    .user-login-field-row {
        margin-bottom: 10px;
        grid-template-columns: 1fr;
        row-gap: 0;
    }

    .user-login-field-control {
        min-height: 41px;
    }

    .user-login-field-control input {
        height: 39px;
        padding: 0 9px;
        font-size: 11px;
    }

    .user-login-field-control input::placeholder {
        font-size: 10px;
    }

    .user-login-input-icon {
        width: 32px;
        height: 28px;
        flex-basis: 32px;
        font-size: 11.5px;
    }

    .user-password-toggle {
        width: 36px;
        height: 36px;
    }

    .user-field-error {
        grid-column: 1;
    }

    .user-login-options {
        margin: 4px 2px 10px;
    }

    .user-login-button {
        min-height: 43px;
        font-size: 12.5px;
    }

    .user-login-divider {
        margin: 9px 0;
    }

    .user-register-cta {
        padding: 10px 10px 11px;
    }

    .user-register-copy-row {
        margin-bottom: 8px;
        grid-template-columns: 36px 1fr;
    }

    .user-register-cta-icon {
        width: 36px;
        height: 36px;
    }

    .user-register-cta-content h2 {
        font-size: 12px;
    }

    .user-register-cta-content p {
        font-size: 10.25px;
    }

    .user-register-button {
        min-height: 40px;
        font-size: 12.5px;
    }

    .user-login-help {
        margin-top: 7px;
        font-size: 9.75px;
    }
}

/* Normal phones, tablets, laptops and desktops remain locked to one viewport. */
@media (min-height: 560px) {
    .user-login-page {
        height: 100dvh;
        overflow: hidden;
    }

    .user-login-layout {
        height: 100dvh;
        min-height: 0;
    }
}

/* Exception: exceptionally short viewports may scroll so no control is clipped. */
@media (max-height: 559px) {
    .user-login-page {
        overflow-y: auto;
    }

    .user-login-layout {
        min-height: 100dvh;
        align-items: flex-start;
    }
}

/* Slightly tighter rendering for short but common mobile heights. */
@media (max-height: 640px) and (min-height: 560px) {
    .user-login-brand-header {
        min-height: 62px;
        padding-top: 6px;
        padding-bottom: 6px;
    }

    .user-login-logo {
        max-height: 48px;
    }

    .user-login-workspace {
        padding-top: 10px;
        padding-bottom: 10px;
    }

    .user-login-heading-row {
        margin-bottom: 8px;
    }

    .user-login-field-row {
        margin-bottom: 8px;
    }

    .user-login-options {
        margin-bottom: 8px;
    }

    .user-login-button {
        min-height: 42px;
    }

    .user-login-divider {
        margin-top: 7px;
        margin-bottom: 7px;
    }

    .user-register-cta {
        padding-top: 9px;
        padding-bottom: 10px;
    }

    .user-register-copy-row {
        margin-bottom: 7px;
    }

    .user-register-button {
        min-height: 39px;
    }

    .user-login-help {
        margin-top: 6px;
    }
}

/* ==============================================================
   10. Accessibility and Reduced Motion
   ============================================================== */
.user-login-button:focus-visible,
.user-register-button:focus-visible,
.user-forgot-password-link:focus-visible,
.user-remember-label input:focus-visible {
    outline: 3px solid rgba(245, 0, 93, 0.28);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}