/* ==========================================================================
   MAVIDENTA DENTAL CRM — LOGIN PAGE STYLESHEET (PHASE 2B REDESIGN)
   ========================================================================== */

@import url('design_system.css');

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-deep: var(--elevation-1);
  --bg-card: var(--elevation-2);
  --accent-primary: var(--accent);
  --accent-primary-glow: var(--glow-primary-cta);
  --accent-secondary: #a5b4fc;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #8a9cb5;
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-focus: rgba(124, 110, 230, 0.6);
  --danger: #ef4444;
}

html, body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--type-body-size);
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: var(--type-body-lh);
}

:focus-visible {
  outline: 2px solid var(--accent-primary) !important;
  outline-offset: 2px !important;
}

button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 2px solid var(--accent-primary) !important;
  outline-offset: 2px !important;
}

.login-bg {
  position: fixed; inset: 0;
  background: var(--glass-card-bg); backdrop-filter: var(--glass-shell-blur);
  z-index: 0;
}

.login-grid-overlay {
  position: fixed; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: 0;
  pointer-events: none;
}

.login-container {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}

@media (max-width: 900px) {
  .login-container { grid-template-columns: 1fr; }
  .login-brand { display: none; }
}

.login-brand {
  padding: 32px 48px 48px; display: flex; flex-direction: column; justify-content: flex-start;
  border-right: 1px solid var(--border-subtle);
  background: var(--glass-card-bg); backdrop-filter: var(--glass-shell-blur);
}

.brand-logo { display: flex; align-items: center; gap: 16px; margin-bottom: 40px; }
.brand-logo-icon { width: 48px; height: 48px; background: var(--glass-card-bg); backdrop-filter: var(--glass-shell-blur); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-family: var(--font-heading); font-size: 24px; font-weight: 600; color: #fff; box-shadow: var(--inset-hairline); }
.brand-name { font-family: var(--font-heading); font-size: 24px; font-weight: 600; color: #fff; letter-spacing: -0.5px; }
.brand-tag { font-family: var(--font-body); font-size: 11px; font-weight: 500; color: var(--accent-secondary); text-transform: uppercase; letter-spacing: 1.5px; }

.brand-headline { font-family: var(--font-heading); font-size: 24px; font-weight: 600; color: #fff; line-height: 1.3; letter-spacing: -0.5px; margin-bottom: 16px; }
.brand-sub { font-family: var(--font-body); font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 32px; max-width: 440px; }

.brand-stats { display: flex; flex-direction: column; gap: 16px; }
.brand-stat { display: flex; align-items: flex-start; gap: 16px; }
.brand-stat-icon { width: 32px; height: 32px; background: var(--glass-card-bg); backdrop-filter: var(--glass-shell-blur); border: 1px solid rgba(255,255,255,0.1); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 15px; flex-shrink: 0; }
.brand-stat-text { font-family: var(--font-body); font-size: 13px; color: var(--text-secondary); line-height: 1.5; }
.brand-stat-text strong { display: block; color: var(--text-primary); font-size: 13px; font-weight: 500; margin-bottom: 4px; }

/* Form Panel */
.login-form-panel { padding: 48px; display: flex; align-items: center; justify-content: center; }
.login-card { width: 100%; max-width: 420px; }
.login-card-header { margin-bottom: 32px; }
.login-card-title { font-family: var(--font-heading); font-size: 24px; font-weight: 600; color: #fff; margin-bottom: 8px; letter-spacing: -0.5px; line-height: 1.3; }
.login-card-sub { font-family: var(--font-body); font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

.login-error { display: none; background: rgba(239, 68, 68, 0.12); border: 1px solid rgba(239, 68, 68, 0.3); border-radius: 8px; padding: 8px 16px; font-family: var(--font-body); font-size: 13px; color: #f87171; margin-bottom: 16px; align-items: center; gap: 8px; }
.login-error.visible { display: flex; }

.form-group { margin-bottom: 16px; }
.form-label { display: block; font-family: var(--font-body); font-size: 11px; font-weight: 500; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.form-input-wrapper { position: relative; display: flex; align-items: center; }
.form-input { width: 100%; height: 48px; background: var(--elevation-3); border: 1px solid var(--border-subtle); border-radius: 8px; padding: 0 16px; font-family: var(--font-body); font-size: 14px; color: var(--text-primary); transition: background-color var(--transition-fast), border-color var(--transition-fast); outline: none; }
.form-input:focus { border-color: var(--accent-primary); background: var(--elevation-4); box-shadow: 0 0 0 3px rgba(124, 110, 230, 0.2); }
.form-input-icon { position: absolute; right: 16px; color: var(--text-secondary); cursor: pointer; display: flex; align-items: center; justify-content: center; }

.form-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; font-family: var(--font-body); font-size: 13px; }
.remember-me { display: flex; align-items: center; gap: 8px; color: var(--text-secondary); cursor: pointer; }
.remember-me input { accent-color: var(--accent-primary); }
.forgot-link { color: var(--accent-secondary) !important; text-decoration: none !important; font-weight: 500; }
.forgot-link:hover { color: #ffffff !important; }

/* Main Sign In Button (Single Primary Page CTA - Restrained Glow) */
.btn-login {
  width: 100%;
  height: 48px;
  background: var(--accent-primary);
  border: none;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  color: #ffffff !important;
  cursor: pointer;
  transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: var(--glow-primary-cta);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn-login:hover {
  background: var(--accent-primary-hover);
  transform: none;
  box-shadow: var(--inset-hairline);
}

/* Footer Links */
.login-footer {
  margin-top: 32px;
  text-align: center;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text-muted);
}
.login-footer a {
  color: var(--accent-secondary) !important;
  text-decoration: none !important;
  font-weight: 500;
  transition: color var(--transition-fast);
}
.login-footer a:hover {
  color: #ffffff !important;
}

/* Modal Popup (Level 4 Elevation Standard) */
.modal-backdrop {
  position: fixed; inset: 0;
  background: var(--glass-card-bg); backdrop-filter: var(--glass-shell-blur);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex; align-items: center; justify-content: center;
}
.modal-backdrop.hidden { display: none; }
.modal-box {
  background: var(--elevation-4);
  border: 1px solid var(--border-medium);
  border-radius: 16px;
  padding: 24px;
  max-width: 420px;
  width: 90%;
  box-shadow: var(--ambient-shadow), var(--inset-hairline);
}
.modal-title { font-family: var(--font-heading); font-size: 18px; font-weight: 600; color: #fff; margin-bottom: 16px; }
.modal-body { font-family: var(--font-body); font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 24px; }
.modal-close {
  width: 100%; padding: 16px; background: var(--elevation-3); border: 1px solid var(--border-subtle);
  border-radius: 8px; font-family: var(--font-body); font-size: 14px; font-weight: 500; color: #fff; cursor: pointer; transition: background-color var(--transition-fast);
}
.modal-close:hover { background: var(--border-medium); }