/* ============================================================
   Reachwell Login Page Styles
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
    --rw-primary: #0073b7;
    --rw-primary-dark: #005a94;
    --rw-primary-light: #0088d1;
    --rw-secondary: #2c3e50;
    --rw-secondary-light: #34495e;
    --rw-accent: #00a8cc;
    --rw-bg-start: #0f2027;
    --rw-bg-mid: #203a43;
    --rw-bg-end: #2c5364;
    --rw-card-bg: rgba(255, 255, 255, 0.97);
    --rw-text-dark: #2c3e50;
    --rw-text-muted: #7f8c8d;
    --rw-input-border: #dce1e6;
    --rw-input-focus: #0073b7;
    --rw-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --rw-shadow-md: 0 8px 32px rgba(0, 0, 0, 0.12);
    --rw-shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.2);
    --rw-radius: 12px;
    --rw-radius-sm: 8px;
    --rw-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    height: 100%;
}

body {
    min-height: 100vh;
    margin: 0;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: linear-gradient(135deg, var(--rw-bg-start) 0%, var(--rw-bg-mid) 50%, var(--rw-bg-end) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

/* ---------- Animated Background ---------- */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.bg-animation .circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(0, 115, 183, 0.06);
    animation: floatUp linear infinite;
}

.bg-animation .circle:nth-child(1) {
    width: 80px;
    height: 80px;
    left: 10%;
    animation-duration: 18s;
    animation-delay: 0s;
}

.bg-animation .circle:nth-child(2) {
    width: 50px;
    height: 50px;
    left: 25%;
    animation-duration: 22s;
    animation-delay: 2s;
}

.bg-animation .circle:nth-child(3) {
    width: 120px;
    height: 120px;
    left: 45%;
    animation-duration: 25s;
    animation-delay: 4s;
}

.bg-animation .circle:nth-child(4) {
    width: 60px;
    height: 60px;
    left: 65%;
    animation-duration: 20s;
    animation-delay: 1s;
}

.bg-animation .circle:nth-child(5) {
    width: 90px;
    height: 90px;
    left: 80%;
    animation-duration: 28s;
    animation-delay: 3s;
}

.bg-animation .circle:nth-child(6) {
    width: 40px;
    height: 40px;
    left: 55%;
    animation-duration: 16s;
    animation-delay: 5s;
}

@keyframes floatUp {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) scale(1.2);
        opacity: 0;
    }
}

/* ---------- Login Container ---------- */
.login-wrapper {
    position: relative;
    z-index: 1;
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    width: 100%;
    max-width: 440px;
    background: var(--rw-card-bg);
    border-radius: var(--rw-radius);
    box-shadow: var(--rw-shadow-lg);
    overflow: hidden;
    animation: slideUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------- Card Header / Branding ---------- */
.login-header {
    background: linear-gradient(135deg, var(--rw-secondary) 0%, var(--rw-secondary-light) 100%);
    padding: 32px 40px 28px;
    text-align: center;
    position: relative;
}

.login-header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--rw-primary), var(--rw-accent), var(--rw-primary));
}

.login-logo {
    max-height: 48px;
    width: auto;
    margin-bottom: 12px;
    filter: brightness(0) invert(1);
    transition: var(--rw-transition);
}

.login-logo:hover {
    transform: scale(1.05);
}

.login-header h4 {
    color: #ffffff;
    font-weight: 600;
    font-size: 1.15rem;
    margin: 0;
    letter-spacing: 0.3px;
}

.login-header p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.82rem;
    margin: 6px 0 0;
}

/* ---------- Card Body / Form ---------- */
.login-body {
    padding: 36px 40px 32px;
}

/* ---------- Alert / Error Messages ---------- */
.login-alert {
    border: none;
    border-radius: var(--rw-radius-sm);
    padding: 12px 16px;
    font-size: 0.85rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: shakeIn 0.4s ease;
}

.login-alert i {
    font-size: 1.1rem;
    flex-shrink: 0;
}

.login-alert.alert-danger {
    background: #fdf0ef;
    color: #a93226;
}

.login-alert.alert-success {
    background: #eafaf1;
    color: #1e8449;
}

.login-alert.alert-warning {
    background: #fef9e7;
    color: #b7950b;
}

@keyframes shakeIn {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

/* ---------- Form Groups ---------- */
.form-floating-group {
    position: relative;
    margin-bottom: 22px;
}

.form-floating-group .input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--rw-text-muted);
    font-size: 1.05rem;
    z-index: 2;
    transition: var(--rw-transition);
    pointer-events: none;
}

.form-floating-group .form-control {
    height: 50px;
    padding: 12px 14px 12px 42px;
    border: 1.5px solid var(--rw-input-border);
    border-radius: var(--rw-radius-sm);
    font-size: 0.92rem;
    color: var(--rw-text-dark);
    background: #fff;
    transition: var(--rw-transition);
}

.form-floating-group .form-control::placeholder {
    color: #b0b8c1;
}

.form-floating-group .form-control:focus {
    border-color: var(--rw-input-focus);
    box-shadow: 0 0 0 3px rgba(0, 115, 183, 0.1);
    outline: none;
}

.form-floating-group .form-control:focus ~ .input-icon {
    color: var(--rw-primary);
}

.form-floating-group .form-control.is-invalid {
    border-color: var(--rw-accent);
    box-shadow: 0 0 0 3px rgba(0, 168, 204, 0.1);
}

/* Password toggle */
.password-toggle {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--rw-text-muted);
    cursor: pointer;
    padding: 4px;
    z-index: 2;
    transition: var(--rw-transition);
    line-height: 1;
}

.password-toggle:hover {
    color: var(--rw-primary);
}

/* Validation feedback */
.invalid-feedback {
    font-size: 0.8rem;
    margin-top: 6px;
    padding-left: 2px;
}

/* ---------- Remember & Forgot Row ---------- */
.login-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.form-check {
    margin: 0;
    padding-left: 0;
}

.form-check .form-check-input {
    width: 18px;
    height: 18px;
    margin-top: 0;
    margin-right: 8px;
    border: 1.5px solid var(--rw-input-border);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--rw-transition);
    float: none;
    vertical-align: middle;
}

.form-check .form-check-input:checked {
    background-color: var(--rw-primary);
    border-color: var(--rw-primary);
}

.form-check .form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(0, 115, 183, 0.12);
}

.form-check-label {
    font-size: 0.85rem;
    color: var(--rw-text-muted);
    cursor: pointer;
    user-select: none;
    vertical-align: middle;
}

.forgot-link {
    font-size: 0.85rem;
    color: var(--rw-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--rw-transition);
}

.forgot-link:hover {
    color: var(--rw-primary-dark);
    text-decoration: underline;
}

/* ---------- Submit Button ---------- */
.btn-login {
    width: 100%;
    height: 50px;
    background: linear-gradient(135deg, var(--rw-primary) 0%, var(--rw-primary-dark) 100%);
    color: #fff;
    border: none;
    border-radius: var(--rw-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--rw-transition);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transition: left 0.5s ease;
}

.btn-login:hover {
    background: linear-gradient(135deg, var(--rw-primary-dark) 0%, #004d7a 100%);
    box-shadow: 0 6px 20px rgba(0, 115, 183, 0.35);
    transform: translateY(-1px);
}

.btn-login:hover::before {
    left: 100%;
}

.btn-login:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0, 115, 183, 0.25);
}

.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Loading spinner */
.btn-login .spinner-border {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

.btn-text,
.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-loading {
    display: none;
}

.btn-login.loading .btn-text {
    display: none;
}

.btn-login.loading .btn-loading {
    display: flex;
}

/* ---------- Card Footer ---------- */
.login-footer {
    padding: 20px 40px 24px;
    text-align: center;
    border-top: 1px solid #f0f2f5;
    background: #fafbfc;
}

.login-footer p {
    margin: 0;
    font-size: 0.8rem;
    color: var(--rw-text-muted);
}

.login-footer a {
    color: var(--rw-primary);
    text-decoration: none;
    font-weight: 500;
}

.login-footer a:hover {
    text-decoration: underline;
}

/* ---------- Capslock Warning ---------- */
.capslock-warning {
    display: none;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: #e67e22;
    margin-top: 6px;
    padding-left: 2px;
}

.capslock-warning.show {
    display: flex;
}

/* ---------- Language Selector ---------- */
.lang-selector {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 10;
}

.lang-selector .form-select {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.75rem;
    padding: 4px 8px;
    border-radius: 20px;
    transition: var(--rw-transition);
    min-width: 100px;
    cursor: pointer;
}

.lang-selector .form-select:focus {
    background: rgba(255, 255, 255, 0.18);
    border-color: var(--rw-primary);
    color: #fff;
    box-shadow: 0 0 0 2px rgba(0, 115, 183, 0.25);
}

.lang-selector .form-select:hover {
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
}

.lang-selector .form-select option {
    background: var(--rw-bg-end);
    color: #fff;
    padding: 4px 8px;
}

/* RTL support */
.rtl .lang-selector {
    left: 16px;
    right: auto;
}

.rtl .login-wrapper {
    direction: rtl;
}

.rtl .form-floating-group .input-icon {
    left: auto;
    right: 14px;
}

.rtl .form-floating-group .form-control {
    padding-left: 14px;
    padding-right: 42px;
}

.rtl .password-toggle {
    left: 14px;
    right: auto;
}

.rtl .login-options {
    flex-direction: row-reverse;
}

.rtl .login-footer {
    text-align: center;
}

/* ---------- Responsive ---------- */
@media (max-width: 576px) {
    .login-wrapper {
        padding: 12px;
        align-items: flex-start;
        padding-top: 40px;
    }

    .login-card {
        max-width: 100%;
        border-radius: var(--rw-radius-sm);
    }

    .login-header {
        padding: 24px 24px 20px;
    }

    .login-header h4 {
        font-size: 1.05rem;
    }

    .login-body {
        padding: 28px 24px 24px;
    }

    .login-footer {
        padding: 16px 24px 20px;
    }

    .login-logo {
        max-height: 40px;
    }
}

@media (max-width: 360px) {
    .login-header {
        padding: 20px 16px 16px;
    }

    .login-body {
        padding: 24px 16px 20px;
    }

    .login-footer {
        padding: 14px 16px 18px;
    }
}

@media (min-height: 800px) {
    .login-card {
        margin-top: -40px;
    }
}

/* ---------- Focus-visible for Accessibility ---------- */
.form-control:focus-visible,
.form-check-input:focus-visible,
.btn:focus-visible,
a:focus-visible {
    outline: 2px solid var(--rw-primary);
    outline-offset: 2px;
}

/* ---------- Reduced Motion Preference ---------- */
@media (prefers-reduced-motion: reduce) {
    .bg-animation .circle {
        animation: none;
    }

    .login-card {
        animation: none;
    }

    .login-alert {
        animation: none;
    }

    .btn-login::before {
        display: none;
    }

    * {
        transition-duration: 0.01ms !important;
    }
}